Ouellette, CA
Andre Ouellette, Lachute CA
Patent application number | Description | Published |
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20130091744 | Ditch Digger - A ditch digger for removing earth from the ground to dig a ditch, the ditch digger comprising: a body; a substantially elongated blade mounted to the body, the blade defining a blade front end and a substantially longitudinally opposed blade rear end, the blade defining a blade bottom section and a pair of laterally opposed blade side sections extending generally upwardly therefrom. When the ditch digger is in an operational configuration, the blade bottom section is lower adjacent the blade front end than adjacent the blade rear end. Moving the ditch digger along the ground with the blade front end inserted in the ground and the blade rear end provided above the ground removes the earth from the ground to dig the ditch. | 04-18-2013 |
Aurele Ouellette, Lac Des Ecorces CA
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20080236024 | Humane trap for animals - A humane trap has a body with a lid at one end and an open end at the opposite end of the body thereof. A pair of coil springs have one end attached to the body and the opposite end attached to a strike retainer. The strike retainer having a strike extending integrally therefrom. The strike retainer and the strike rotating around an axis. A trigger rotationally attached to the body has a latch release part which releases a latch hooked into the latch release part. The latch releases the strike retainer. The strike retainer releases the strike. | 10-02-2008 |
Benoit Ouellette, Verdun CA
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20140091181 | CONTROLLER - A controller includes a first body portion, adapted to be grasped by a person's middle finger, ring finger, and pinky finger, a second body portion adapted to be grasped by a person's index finger, and a third body portion that defines a first surface adapted to receive a person's thumb. A finger switch is positioned on a front surface of the second body portion. The finger switch is positioned such that it may be actuated by the person's index finger. The second body portion is disposed between the first body portion and the third body portion. The second body portion defines an offset with respect to the first body portion. The third body portion defines a second surface above the finger switch, which may receive the person's index finger. | 04-03-2014 |
20150298816 | CHECKLIST DISPLAY SYSTEM, METHOD AND GRAPHICAL DISPLAY THEREFOR - The present disclosure relates to a check-list display system ( | 10-22-2015 |
François Ouellette, Stanstead CA
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20150285683 | APPARATUS FOR MEASURING OPTICAL SIGNALS FROM MULTIPLE OPTICAL FIBER SENSORS - There is described a sensor apparatus. It comprises an interrogator comprising a light source emitting pulses having a wavelength about an average wavelength; and a fiber Bragg grating (FBG) arrangement. The arrangement comprises a FBG sensor array comprising a plurality of FBG sensors on an optical fiber and being for reflecting the pulses, thereby producing reflected pulses at each one of the FBG sensors. FBG sensors of a given FBG sensor array have a spatial separation therebetween which is sufficient to allow, at a receiver, a temporal discrimination between the reflected pulses produced by each one of the FBG sensors. The FBG sensor array has a spectral reflection window which comprises the average wavelength. | 10-08-2015 |
James-Roy Ouellette, Oshawa CA
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20110237167 | Sanding and grinding tool having depth guide - A sanding or grinding tool has a drum provided with an abrasive cylindrical outer wall. The depth guide has a curved outer surface composed of a number of arcuate segments each having a radius which extends outward from the centre of the guide and which is of a differing defined length. The depth guide is rotatable in increments to cause each segment, in turn, to face the work piece. Each facing segment functions to define the depth of material removed from the surface of the work piece. | 09-29-2011 |
Joseph Ouellette, Tecumseh CA
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20110308709 | MANDREL WITH INTEGRAL HEAT PIPE - A mandrel having an integral heat pipe is employed in the manufacture of filament wound pipe segments and vessels to provide even heating of the interior of the pipe or vessel during the heating and curing process. Heating or cooling can be provided using the thermal transfer characteristics of the heat pipe. | 12-22-2011 |
20140308433 | COMPOSITE ARTICLE CURING - Described herein are methods and systems for the manufacture of composite articles, wherein a composite article is manufactured using a filamentary material and a liner, comprising: providing a material in heat transfer relation with the inner surface of said liner; applying uncured filamentary material to the outer surface of said liner; and heating a portion of said material in heat transfer relation with the inner surface of said liner, wherein heating said portion of said material effects cure of said composite article. Also in the methods and systems herein, a composite article is manufactured using a filamentary material wound on a liner, comprising, a material in heat transfer relation with the inner surface of said liner; heating means operable to heat a portion of said material in heat transfer relation with the inner surface of said liner, wherein heating said portion of said material effects cure of said composite vessel. | 10-16-2014 |
Marc Ouellette, Sillery CA
Patent application number | Description | Published |
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20100267012 | Highly conserved genes and their use to generate probes and primers for detection of microorganisms - Compositions and methods for the detection of vancomycin-resistant pathogens using primers and/or probes to the vanA and vanB genes. | 10-21-2010 |
20120035071 | HIGHLY CONSERVED GENES AND THEIR USE TO GENERATE PROBES AND PRIMERS FOR DETECTION OF MICROORGANISMS - Compositions and methods for the detection of vancomycin-resistant pathogens using primers and/or probes to the vanA and vanB genes. | 02-09-2012 |
20120058487 | COMPOSITIONS AND METHODS FOR DETECTING KLEBSIELLA PNEUMONIAE - Four highly conserved genes, encoding translation elongation factor Tu, translation elongation factor G, the catalytic subunit of proton-translocating ATPase and the RecA recombinase, are used to generate species-specific, genus-specific, family-specific, group-specific and universal nucleic acid probes and amplification primers to rapidly detect and identify algal, archaeal, bacterial, fungal and parasitical pathogens from clinical specimens for diagnosis. The detection of associated antimicrobial agents resistance and toxin genes are also under the scope of the present invention. | 03-08-2012 |
20140127684 | HIGHLY CONSERVED GENES AND THEIR USE TO GENERATE PROBES AND PRIMERS FOR DETECTION OF MICROORGANISMS - Provided herein are compositions and methods for the detection of | 05-08-2014 |
20150111760 | HIGHLY CONSERVED GENES AND THEIR USE TO GENERATE PROBES AND PRIMERS FOR DETECTION OF MICROORGANISMS - Provided herein are compositions and methods for the detection of | 04-23-2015 |
Marc Ouellette, Quebec CA
Patent application number | Description | Published |
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20090053702 | SPECIFIC AND UNIVERSAL PROBES AND AMPLIFICATION PRIMERS TO RAPIDLY DETECT AND IDENTIFY COMMON BACTERIAL PATHOGENS AND ANTIBIOTIC RESISTANCE GENES FROM CLINICAL SPECIMENS FOR ROUTINE DIAGNOSIS IN MICROBIOLOGY LABORATORIES - The present invention relates to DNA-based methods for universal bacterial detection, for specific detection of the common bacterial pathogens | 02-26-2009 |
20090053703 | SPECIFIC AND UNIVERSAL PROBES AND AMPLIFICATION PRIMERS TO RAPIDLY DETECT AND IDENTIFY COMMON BACTERIAL PATHOGENS AND ANTIBIOTIC RESISTANCE GENES FROM CLINICAL SPECIMENS FOR ROUTINE DIAGNOSIS IN MICROBIOLOGY LABORATORIES - The present invention relates to DNA-based methods for universal bacterial detection, for specific detection of the common bacterial pathogens | 02-26-2009 |
20090068641 | Highly conserved genes and their use to generate probes and primers for detection of microorganisms - Four highly conserved genes, encoding translation elongation factor Tu, translation elongation factor G, the catalytic subunit of proton-translocating ATPase and the RecA recombinase, are used to generate species-specific, genus-specific, family-specific, group-specific and universal nucleic acid probes and amplification primers to rapidly detect and identify algal, archaeal, bacterial, fungal and parasitical pathogens from clinical specimens for diagnosis. The detection of associated antimicrobial agents resistance and toxin genes are also under the scope of the present invention. | 03-12-2009 |
Marc L. Ouellette, Ottawa CA
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20080239654 | MOBILE EVENT DATA RECORDER WITH MULTIPLE ORIENTATION VIBRATION ISOLATION - A mobile event data recorder is described providing a contained environmental control system for a hard drive module for use in, or with, a vehicle. A hard drive housing with multiple hard drives and a vibration isolation system are provided within a hard drive module chassis. The vibration isolation system simultaneously provides triaxial isolation in each of two different orientations of the hard drive module. First and second vibration isolators connect the hard drive housing with adjoining walls of the chassis, the first and second vibration isolators positioned to achieve a natural resonant frequency suitable to isolate frequencies in the hard drive operating range, taking into account the forces that will be applied to the vehicle. The natural resonant frequency can be about 10 Hz or less, in order to isolate the hard drives from frequencies of greater than about 10 Hz. | 10-02-2008 |
Marc-Noël Ouellette, Boisbriand CA
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20140374418 | STORAGE CONTAINER, STORAGE CABINET AND STORAGE SYSTEM - The present document describes a storage cabinet and a storage system for storing a liquid and/or a granulate matter. The storage system includes at least one storage container for storing the liquid and/or the granulate matter. The storage container includes a container body with a main access, a main lid removably mounted to the container body for covering the main access and a secondary lid removably mounted to the container body and/or the main lid for covering a secondary access on the container body and/or the main lid, where the container body includes a top portion and a bottom portion adapted for stacking. The storage system further includes a storage cabinet with a floor member which includes a stacking element for receiving the bottom portion of the container body. | 12-25-2014 |
Michel Ouellette, Orleans CA
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20080231511 | Beacon-Assisted Precision Location of Untethered Client in Packet Networks - A novel beacon-based position location technique for efficient location discovery of untethered clients in packet networks is disclosed. The position location technique utilizes the time-difference-of-arrival (“TDOA”) of a first signal transmitted by a beacon of known location and a second signal transmitted by an untethered client. The TDOA of these two signals is measured locally by at least three non-collinear signal receivers. For each of the receivers, the TDOA is used to calculate a perceived distance to the client. A circle is then calculated for each receiver, centered on the receiver and having a radius equal to the perceived distance. At least two lines defined by points of intersection of the calculated circles are then calculated. The point of intersection of the lines represents the location of the client. To facilitate operation, the signal receivers may be arranged on vertices which define a convex polygon as viewed from above. The location system requires no time (time-of-day) synchronization of the signal receivers, and only the coarse frequency synchronization, on the order of, tens of parts-per-million (ppm). The technique even works for the case where the signal receivers are run asynchronously, provided the frequency accuracies of the signal receivers are on the order of about 50ppm or better. The technique introduces no communication overhead for the beacon, client and signal receivers. Further, the computation overhead at the signal receivers is relatively low because the location detection algorithm involves only simple algebraic operations over scalar values. | 09-25-2008 |
20080273460 | METHODS AND SYSTEMS FOR COMMUNICATION BETWEEN NETWORK ELEMENTS - A system for synchronizing a first network device and a second network device. The first network device comprises an interface configured to release over a communication link a first signal carrying a first data stream clocked by a first clock signal. The second network device comprises an interface configured to receive the first signal over the communication link. The second network device also comprises a clock extraction module configured to generate an extracted clock signal from the received first signal; and a data coding module configured to clock a second data stream with an output clock signal selected based on a speed of a locally generated clock signal relative to the first clock signal or the extracted clock signal, thereby to produce a second signal for transmission from the second network element to the first network element. By clocking the second data stream with the fastest available clock signal, greater link utilization can be achieved. Furthermore, synchronism between the first and second network elements reduces the incidence of sync slips, which permits a reduction in the size of inter-frame gaps and also affords the use of a clock frequencies exceeding the nominal rate, leading to even greater link utilization. | 11-06-2008 |
20100008351 | METHOD AND SYSTEM FOR ROUTE SYNCHRONIZATION USING TIME SYNCHRONIZATION - A system, method and apparatus synchronize protocol events in a distributed communication network. The network includes a plurality of nodes. Each node in the network includes a time source which maintains a clock signal synchronized with each other node time source in the network. An announcement of a protocol event is sent to at least one node. The announcement includes a predetermined time for implementing the protocol event. The protocol event is acted upon at the predetermined time. | 01-14-2010 |
20100080248 | TECHNIQUES FOR TIME TRANSFER VIA SIGNAL ENCODING - Techniques for time transfer via signal encoding are disclosed. In one particular exemplary embodiment, the techniques may be realized as a method for time transfer via signal encoding comprising generating a time service ordered-set for inclusion in a physical coding sublayer frame of a physical layer device, generating time service data for inclusion in the physical coding sublayer frame of the physical layer device, and transmitting the physical coding sublayer frame. | 04-01-2010 |
20100118894 | DIFFERENTIAL TIMING TRANSFER OVER SYNCHRONOUS ETHERNET USING DIGITAL FREQUENCY GENERATORS AND CONTROL WORD SIGNALING - A method, system and master service interface transfer differential timing over a packet network. The transmitting service interface receives a service clock and is coupled to a receiving service interface through a network backplane. A primary reference clock is provided to time the network backplane. The primary reference clock and the service clock are used to synthesize a copy of the service clock connected to the transmitting service interface. A first control word containing an error differential between the service clock and the synthesized copy of the service clock is generated and transmitted through the network backplane via a packet. The first control word, together with the primary reference clock, is used to recreate the service clock for timing the receiving service interface. | 05-13-2010 |
20110199941 | Rate-Varying Multicast Transmission for Clock Distribution in Packet Networks - In at least some embodiments, the disclosure includes an apparatus a root node in a packet based network that multicasts a plurality of packets. The apparatus also includes an intermediary node coupled to the root node and a plurality of leaf nodes coupled to the intermediary node. The root node, the intermediary node, and the plurality of leaf nodes are arranged in a tree topology. The packets are received at the intermediary node from the root node at a data rate equal to the data rate of the leaf node having the maximum data rate. The packets are multicast from the intermediary node to each of the plurality of leaf nodes at a plurality of different data rates such that each particular one of the plurality of leaf nodes receives the packets at a data rate corresponding to the data rate for the particular one of the plurality of leaf nodes. | 08-18-2011 |
20110243156 | TECHNIQUES FOR TIME TRANSFER VIA SIGNAL ENCODING - Techniques for time transfer via signal encoding are disclosed. In one particular exemplary embodiment, the techniques may be realized as a method for time transfer via signal encoding comprising generating a time service ordered-set for inclusion in a physical coding sublayer frame of a physical layer device, generating time service data for inclusion in the physical coding sublayer frame of the physical layer device, and transmitting the physical coding sublayer frame. | 10-06-2011 |
20110243196 | MULTIPLE REDUNDANT GNSS SYNCHRONIZATION SYSTEM - A diamine absorbent that contains heat stable salts is regenerated using an ion exchange process wherein the cation exchange resin is regenerated using sulfurous acid reflux. | 10-06-2011 |
20110320596 | Method and Apparatus for Protecting Networks from Unauthorized Applications - A traffic controller is provided which integrates black-box tests of unauthorized applications to extract application characteristics from associated Internet traffic, exploits the networking information learned by host clients, actively scans and controls hosts on the corporate network, and dynamically configures a corporate firewall to block traffic to and from critical application network elements. As a result, the traffic controller effectively manages unauthorized applications and their associated traffic in a corporate environment. | 12-29-2011 |
20120082188 | MULTIPLE REDUNDANT GNSS SYNCHRONIZATION SYSTEM - Methods and apparatus are provided for multiple redundant global navigation satellite system GNSS synchronization of a plurality of base stations via a system node that is in communication with the plurality of base stations. At the system node, time information is provided to and received from the plurality of base stations and a system time reference is generated based on at least some of the time information, such that the system time reference is synchronized with an external time epoch reference provided by the GNSS. If a base station is unable to receive the GNSS service, the system node provides time synchronization information to the base station to synchronize the base station with the system time reference, which itself is synchronized to the external time epoch reference provided by the GNSS service. | 04-05-2012 |
20120182863 | PROTOCOL FOR CLOCK DISTRIBUTION AND LOOP RESOLUTION - In response to a network topology change, a clock root node calculates a new clock path for each affected node by building a clock source topology tree, and identifying from that tree a path to the network node from a clock source of higher or equal stratum relative to that network node. The root node then sends a network message to each node indicating the new path that the node should use. Each node receives the message and compares the new path with the existing path. If the paths are different then the node acquires the new path just received in the message. If the paths are the same then the node does nothing and discards the message. | 07-19-2012 |
20130235889 | DIFFERENTIAL TIMING TRANSFER OVER SYNCHRONOUS ETHERNET USING DIGITAL FREQUENCY GENERATORS AND CONTROL WORD SIGNALING - Transfer of differential timing over a packet network is provided. A transmitting service interface receives a service clock and is coupled to a receiving service interface through a network backplane. A primary reference clock is provided to time the network backplane. The primary reference clock and the service clock are used to synthesize a copy of the service clock connected to the transmitting service interface. A first control word containing an error differential between the service clock and the synthesized copy of the service clock is generated and transmitted through the network backplane via a packet. The first control word, together with the primary reference clock, is used to recreate the service clock for timing the receiving service interface. | 09-12-2013 |
20130272321 | METHOD AND SYSTEM FOR SYNCHRONIZATION BETWEEN NETWORK ELEMENTS - A system for synchronizing a first network device and a second network device. The first network device comprises an interface configured to release over a communication link a first signal carrying a first data stream clocked by a first clock signal. The second network device comprises an interface configured to receive the first signal over the communication link. The second network device also comprises a clock extraction module configured to generate an extracted clock signal from the received first signal; and a data coding module configured to clock a second data stream with an output clock signal selected based on a speed of a locally generated clock signal relative to the first clock signal or the extracted clock signal, thereby to produce a second signal for transmission from the second network element to the first network element. | 10-17-2013 |
20140029604 | COMMUNICATING TIME INFORMATION IN A NETWORK TO ENABLE SYNCHRONIZATION - A first node in a network receives a timing packet containing time information, where the timing packet is originated by a time server. The first node then updates the time information in the timing packet to reflect a delay associated with communicating the timing packet over a network link. The first node then updates the time information in the timing packet to reflect the delay associated transfer of the timing packet through the node. The first node sends the timing packet with the updated time information to a second node to enable the second node to use the updated time information for synchronization of the second node. The process repeats across an arbitrary number of nodes to enable time alignment between the first node and final destination node. | 01-30-2014 |
20140198811 | TECHNIQUES FOR TIME TRANSFER VIA SIGNAL ENCODING - Techniques for time transfer via signal encoding are disclosed. In one particular exemplary embodiment, the techniques may be realized as a method for time transfer via signal encoding comprising generating a time service ordered-set for inclusion in a physical coding sublayer frame of a physical layer device, generating time service data for inclusion in the physical coding sublayer frame of the physical layer device, and transmitting the physical coding sublayer frame. | 07-17-2014 |
20140269434 | PROTOCOL FOR CLOCK DISTRIBUTION AND LOOP RESOLUTION - In response to a network topology change, a clock root node calculates a new clock path for each affected node by building a clock source topology tree, and identifying from that tree a path to the network node from a clock source of higher or equal stratum relative to that network node. The root node then sends a network message to each node indicating the new path that the node should use. Each node receives the message and compares the new path with the existing path. If the paths are different then the node acquires the new path just received in the message. If the paths are the same then the node does nothing and discards the message. | 09-18-2014 |
20140337538 | METHOD AND SYSTEM FOR SYNCHRONIZATION BETWEEN NETWORK ELEMENTS - A system for synchronizing a first network device and a second network device. The first network device comprises an interface configured to release over a communication link a first signal carrying a first data stream clocked by a first clock signal. The second network device comprises an interface configured to receive the first signal over the communication link. The second network device also comprises a clock extraction module configured to generate an extracted clock signal from the received first signal; and a data coding module configured to clock a second data stream with an output clock signal selected based on a speed of a locally generated clock signal relative to the first clock signal or the extracted clock signal, thereby to produce a second signal for transmission from the second network element to the first network element. | 11-13-2014 |
Normand Ouellette, Ontario CA
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20100212468 | CONVERTIBLE CIRCULAR SAW APPARATUS USABLE AS EITHER A MITER SAW OR A TABLE SAW - A convertible miter/table saw comprises a base frame supporting a lower, miter saw table rotatable about a vertical axis. A circular saw assembly, namely a saw blade and motor, is mounted on a rear pedestal of the table and pivotable about a horizontal axis, the miter saw table providing a turntable and having a lower saw slot for receiving the saw blade. In miter saw mode, the swivel position of the miter saw table is adjusted and the circular saw blade moved downwards into the lower saw slot. In table saw mode, an upper saw table connected to the rear of the base frame is pivoted about a horizontal axis from a raised, generally vertical position to a lowered, generally horizontal position in which a slot in the upper saw table accommodates the circular saw blade when the latter is aligned therewith. | 08-26-2010 |
Patrice Ouellette, Lachine CA
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20090248458 | Method And System To Enable A User Of A Mobile Communication Device To Use A Flight Pass - A method for enabling a user of a mobile communication device to use a flight pass that is associated with a bank of air travel credit applicable to book flights. The method comprises: transmitting data conveying information regarding the flight pass to be presented to the user via a graphical user interface of the mobile communication device; receiving data conveying a request to book a flight using the flight pass made by the user via the graphical user interface of the mobile communication device; and causing a booking of the flight using the flight pass. A system for implementing the method is also disclosed. | 10-01-2009 |
Ray Ouellette, Ontario CA
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20160063077 | DATA BROKERING SYSTEM FOR FULFILLING DATA REQUESTS TO MULTIPLE DATA PROVIDERS - A data broker system is described that allows multiple different systems to interoperate with each other. The data broker system provides a consistent data model of data provided by different system. Data clients can request data from the data broker system without requiring details on the different data systems that are responsible for providing the data. | 03-03-2016 |
Richard Ouellette, Moncton CA
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20090019984 | PICK GUARD FOR A GUITAR - A pick guard for a guitar comprises a main body having a front surface and a back surface, and a peripheral edge adjoining the front surface and a back surface. At least a substantial portion of the main body comprises a doming mixture. There is also a guitar contact portion having a front surface and a back surface, and a peripheral edge adjoining the front surface and a back surface. An adhesive is on the back surface of the guitar contact portion. The front surface of the guitar contact portion may include a graphic image. | 01-22-2009 |
20090031878 | Pick for playing a non-bowed stringed instrument - A pick for playing a non-bowed stringed instrument, such as a guitar, comprises a main body having a front surface and a back surface, and a peripheral edge adjoining the front surface and a back surface. At least a substantial portion of the main body comprises a doming mixture. The pick is formed by providing a thin flat backing having a front face and a back face; placing the thin flat backing onto a curing tray with the back face against the curing tray and the font face facing generally upwardly; introducing a doming mixture onto the front face of the thin flat backing; permitting the doming mixture to cure, thus forming a hardened resin mixture pick having a bottom surface and a domed top surface; and separating the thin flat backing from the hardened pick. | 02-05-2009 |
20110056360 | Pick for playing a stringed instrument - A pick for playing a stringed instrument comprises a main body having a first portion and a second portion. The first portion has a front surface and a back surface, and a peripheral edge adjoining the front surface and the back surface. The second portion has a front surface and a back surface, and a peripheral edge adjoining the front surface and the back surface. The first portion and the second portion are secured together one to the other at the back surface of each, thereby forming an interface between the first portion and the second portion. The front surface of each of the first portion and the second portion is outwardly facing. | 03-10-2011 |
Robert James Ouellette, Saint John CA
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20130223434 | METHOD AND SYSTEM FOR COORDINATING DATA AND VOICE COMMUNICATIONS VIA CUSTOMER CONTACT CHANNEL CHANGING SYSTEM - This invention (The Customer Contact Channel Changer) enables the integration of different Customer Contact Channels such as live call centre ACD (Automatic Call Distribution) agents, ADSI (Analog Display Services Interface) enhanced IVR (Interactive Voice Response) systems and WWW (World Wide Web) servers. The world wide web servers are used to allow customers with computer equipment to access information from an organizations databases in a self service mode. Frequently these customers have questions best answered by human ACD agents. With this invention the connection between the customer with the question and the agent with the answer is done quickly and efficiently with both parties sharing screens of common information. Also control is retained by the customer to make the call happen when they want it. | 08-29-2013 |
Rodney Ouellette, Dieppe CA
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20110165582 | MOLECULAR METHOD FOR DIAGNOSIS OF COLON CANCER - Methods for diagnosing or detecting cancerous colon tissue. A panel of 17 specific marker genes are provided. The overexpression of some of these marker genes compared to their expression in normal human colon tissue and the underexpression of the rest of these marker genes are indicative of cancerous colon tissue. By using these 17 marker genes as a diagnostic tool, smaller tissue samples, such as those obtained by core needle biopsies, from patient stool samples, or from blood samples can be used. | 07-07-2011 |
Sylvain Ouellette, Val-D'Or CA
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20150285767 | Measurement of Lay Length of Wire Rope - The invention relates to a method and apparatus for measuring lay length of a wire rope having a number or external strands to form a rope having spiral grooves in the surface between the strands. A magnetic flux circuit is generated, part of which is formed within a region of the advancing wire rope. Variations of magnetic field around the region of the rope or variations of magnetic flux entering or leaving the rope are sensed by at least two sensors arranged around the rope. Signals from the sensors are subtractively combined to eliminate variations due to off-axis movements of the rope, and the combined signals reveal an oscillating pattern due to the undulating surface of the rope. Linking the oscillating pattern to distance along the rope reveals the lay length, which corresponds to a number of oscillations which is the same as the number of strands at the surface. | 10-08-2015 |