| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 073864340 | Sample meter or pump | 35 |
| 20080250878 | Scent evidence transfer device - A compact and portable scent transfer device. The device comprises a housing, a motor/fan combination, a sterile pad holder connected to the housing and a sterile pad removably coupled to the sterile pad holder. A number of embodiments having these features are disclosed. | 10-16-2008 |
| 20090000404 | Apparatus for mobile collection of atmospheric sample for chemical analysis - Portable devices and related methods for collecting and storing atmospheric samples for subsequent chemical analysis are provided. A sample cartridge according to one implementation includes self-sealing inlet and outlet ports configured to close automatically when not in use, and a sample retention portion between the inlet and outlet ports that is adapted to trap an atmospheric sample. The sample cartridge may also include a memory device for recording data regarding the sample. Another embodiment provides a portable sampler configured to removably secure a self-sealing sample cartridge. A portable sampling device may also be used with an analytical instrument. The analytical instrument may analyze the sample and read the data recorded on the sample cartridge's memory. | 01-01-2009 |
| 20090007704 | ACTIVE SAMPLER FOR DETECTING CONTAMINANTS IN LIQUIDS - An active sampler for detecting contaminants in liquids comprises an inlet, an outlet and a sampling unit positioned such that the liquid flows along a path from the inlet, through the sampling unit, to the outlet. The sampling unit has a plurality of sampling chambers that are substantially fluidly sealed relative to one another, wherein one of the sampling chambers is selectively positioned in the flow path. The active sampler also comprises an actuator, which relatively moves the sampling unit and the inlet and outlet such that one sampling chamber is positioned out of the flow path while another of the sampling chambers is positioned in the flow path. | 01-08-2009 |
| 20090049934 | Rotating disc diluter for fluid flows - Abstract A rotating disc diluter ( | 02-26-2009 |
| 20090071269 | SPECIMEN ANALYZER AND LIQUID SUCTION ASSEMBLY - A liquid suction assembly connected to a measurement section for measuring a specimen, comprising: a suction nozzle, disposed inside a liquid container storing liquid used for measurement on a specimen, for sucking the liquid in the liquid container; a first fluid volume sensor for detecting whether a predetermined volume of the liquid remains in the liquid container; a chamber for storing the liquid sucked via the suction nozzle; and a second fluid volume sensor, disposed inside the chamber, for detecting whether a volume of the liquid lower than the predetermined volume detected by the first fluid volume sensor remains, is disclosed. A specimen analyzer is also disclosed. | 03-19-2009 |
| 20090293648 | Closure Device And Method For Operating The Closure Device - A closure device including a fill chamber housing, which forms an edge for a hollow cross-section of a fill chamber, and at least one shut-off valve having a through-passage, the valve being displaceable between an open position and a closed position by a guide gap transversely to a filler chamber longitudinal direction. In the open position, the shut-off valve with the through-passage thereof forms a passage of a fill chamber cross-section, and in the closed position the shut-off valve closes the fill chamber cross-section. A cleaning chamber is formed, the chamber height of which is greater than the gap height of the guide gap, and the position of the chamber is associated with the shut-off valve such that the edge of the through-passage is located in the cleaning chamber in the closed position. | 12-03-2009 |
| 20100011889 | HANDHELD POWDER HANDLING DEVICES AND RELATED METHODS - Handheld solid powder sampling and dispensing devices and methods thereof are disclosed. The handheld device has an ergonomically contoured outer surface to be held by a user. Actuation of an outer member of the device causes a predetermined quantity of a powder to be loaded within the device. Actuation of a plunger mechanism causes the predetermined quantity of powder to be dispensed. The outer member and the plunger mechanism are independently operable. Advantageously, the target delivery quantity of powder can be varied by a device adjustment mechanism. | 01-21-2010 |
| 20100050791 | Check Valve-Less Fluid-Transfer Collection Assembly and Method of Using the Same - A method of using a fluid transfer collection assembly includes providing an assembly including a base, a test media carried by the base, an inlet for receiving a sample fluid, an outlet, a fluid transfer path located between the inlet and the outlet, a movable first finger mechanism, a movable second finger mechanism operatively coupled to the movable first finger mechanism; first moving at least one of the first mechanism and the second mechanism relative to the path so that at least one of the first mechanism and the second mechanism engage the path to draw the sample fluid into the path; and then moving at least one of the first mechanism and the second mechanism relative to the path so that at least one of the first mechanism and the second mechanism engage the path to transfer the sample fluid through the path to the test media. | 03-04-2010 |
| 20100170350 | SYSTEM FOR COLLECTING A FLUID SAMPLE - A system for collecting a sample of fluid from a fluid source and reintroducing the sample of fluid to the fluid source is disclosed. The system includes a pump in fluid communication with the source of fluid, a filter vessel in fluid communication with the pump and the source of fluid to receive a flow of fluid from the pump and substantially eliminate contaminants from the fluid flowing therethrough, and a fluid reservoir in fluid communication with the pump, wherein the fluid is directed from the pump into the fluid reservoir when in a sample mode. | 07-08-2010 |
| 20100180699 | PORTABLE CONTAMINANT SAMPLING SYSTEM - The invention is a portable sampling system for sampling various media for contaminants. The media sample can include gases, liquids, and dry powders. The contaminant sample can include gaseous components, particulates of various kinds, and microorganisms. The system can be used to sample the surfaces of fruits and vegetables, meat carcasses, the interior of envelopes of other containers, gases in rooms or containers, and surfaces such as countertops, a vehicle exterior, skin, and clothing. | 07-22-2010 |
| 20100206096 | UNIVERSAL PHYSIOLOGIC SAMPLING PUMP (PSP) CAPABLE OF RAPID RESPONSE TO BREATHING - The present invention discloses a physiologic sampling pump (PSP) which uses at least one valve placed near the sampling medium to modulate air sampling to follow a person's inhalation rate and to obviate the sluggishness inherent in prior art PSPs caused by varying pump speed and by the propagation time through an air tube that connects the collection medium to prior art pumps thereby also obviating limitations inherent in system response, functionality, and accuracy. Moreover, by maintaining an essentially constant air flow through a cyclone at all times and through the collection medium while sampling, the present invention operates at known collection efficiencies, and is therefore capable of size-selective sampling of particulates as opposed to prior art PSPs that by varying the magnitude of air flow, make the separation efficiencies of pre-collection devices indeterminate and the samples worthless. When used instead with an impact sampling head, the present invention may collect total particulate as well, and may collect gases and vapors with a charcoal tube sampling head. Structural features associated with the physiological sampling pump for providing rapid response to breathing include an outer housing including a thereto-resistant case, multiple and interchangeable PSP sampling heads further including collection media and a valve(s) mounted on a valve manifold with associated tubing. | 08-19-2010 |
| 20100242635 | Apparatus And Method For Sampling Of Airborne Asbestos And Other Particles Released From A Surface - A sampling apparatus includes a housing defining a test chamber with an opening for contacting a test surface to expose at least a portion the test surface to the test chamber. A movable agitator within the test chamber contacts the test surface and agitates the test surface to release material from the test surface. The apparatus further includes an inlet and an outlet communicating with the test chamber and defining an air flow path through the chamber. At least one sample cassette may be supported near the outlet to collect a sample from the air flow, including material released from the surface into the test chamber. | 09-30-2010 |
| 20100294048 | Sampling Device - The present invention generally relates to devices, systems, and methods for acquiring and/or dispensing a sample without introducing a gas into a microfluidic system, such as a liquid bridge system. An exemplary embodiment provides a sampling device including: a sampling member for acquiring or dispensing a sample; and a supply of a fluid that is immiscible with the sample; in which the device is configured to provide a continuous flow of immiscible fluid enveloping the sampling member. | 11-25-2010 |
| 20100319469 | DETECTION AND FLUIDIC SYSTEM OF A FLOW CYTOMETER - The fluidic system including a sheath pump that pumps sheath fluid from a sheath container into an interrogation zone, a waste pump that pumps waste fluid from the interrogation zone to a waste container, in which the flow rate of the sheath fluid is different from the flow rate of the waste fluid thereby drawing a sample fluid from a sample container into the interrogation zone, a detection system that provides a data set of input signals from the sample fluid, an analysis engine that recognizes aggregate particle events in the data set, and a controller that automatically adjusts the flow rate of the sample fluid into the interrogation zone based on the recognition of aggregate particle events, by controlling at least one of the flow rates of the sheath fluid and the waste fluid. | 12-23-2010 |
| 20110296932 | APPARATUS AND METHOD FOR SAMPLING UNDERWATER RADIOACTIVE SOLUTION - The present disclosure provides an apparatus and a method for sampling underwater radioactive solution. The apparatus and method are used for sampling underwater radioactive waste stored in the radioactive reservoir of nuclear facilities or in the container of said reservoir, in order to determine the nuclides and the radiation dosage at different depths in the radioactive solution. | 12-08-2011 |
| 20120011944 | PATHOGEN SAMPLING PROTOCOLS AND SYSTEMS - A system is disclosed for sampling contaminants from a soft test surface that includes a vacuum sampling device. The vacuum sampling device includes a spray port that is in fluid communication with source of sterilized sampling fluid, and which delivers a quantity of sampling fluid onto the soft test surface, a suction head having an outer casing surrounding an open-faced suction cavity that is in communication with a vacuum source and which retrieves the sampling fluid from the test surface, and a storage container for holding the retrieved sampling fluid. The system further includes a retention screen positioned between the test surface and the suction head, and which prevents the soft test surface from substantially occluding suction and reducing mobility of the suction head when engaging the soft test surface. | 01-19-2012 |
| 20120042736 | SAMPLE PREPARATION SYSTEM AND A METHOD FOR PROCESSING A SAMPLE - The sample preparation system according to the invention comprises substantially a transport mechanism movable in the x, y and z directions, which at a first retaining fixture has a sampler for taking up samples that is movable in the z direction and at a second retaining fixture supports a processing apparatus for processing samples that is movable in the z direction, wherein the sampler is connected via at least one connecting line to the processing apparatus for fluid exchange. | 02-23-2012 |
| 20120152040 | System and method for air sampling in controlled environments - A sampling system for quantifying the amount of contaminants in a controlled environment within a facility, the controller having a plurality of ports, each port having a timer circuit, a flow rate circuit, a flow switch, and a vacuum tube, wherein the flow rate circuit controls the flow switch and maintains a fluid flow through the vacuum tube at about 1 cfm. The system also includes a plurality of air sampling device located within the controlled environment, each connected to one of the plurality of ports by way of the vacuum tube. A touchpad input/output device is connected to a base station, wherein the base station comprises a communications device for wirelessly sending a start and stop signal from the touchpad to the controller. | 06-21-2012 |
| 20130167668 | APPARATUS AND METHOD FOR SAMPLING UNDERWATER RADIOACTIVE SOLUTION - An apparatus and a method for sampling underwater radioactive solution. The apparatus includes a main unit, a connecting rod inserted into the main unit, a connecting ring connected to one side of the connecting rod, a container unit connected to the opposite side of the connecting ring, a solution access channel, an air motor for changing air pressure in the container unit to draw or extract the radioactive solution in or out of the container unit, a holder for fixing the air motor on the main unit, a synchronizing connector for connecting the connecting rod to the air motor, so as to synchronize the back-and-forth movement of the connecting rod with the air pressure of the air motor, a control unit for controlling the operation of the air motor, a flexible pipe connecting the air motor to the control unit, and a depth-setting unit. | 07-04-2013 |
| 20140053663 | Method for Determining Condition of Piping and a Sequence Controlled Sample Pump - The invention relates to a sampling apparatus and method. In the sampling method, a sample is led through a flowline ( | 02-27-2014 |
| 20140060214 | Automated Aseptic Sampling Workstations and Sample Collection Devices Therefore - A method of taking a fluid samples from a processing line is provided that includes: placing an input conduit in fluid communication with the processing line; operatively coupling the input conduit to a peristaltic pump and a valve block; operatively coupling the valve block to a valve actuator so that the valves are movable among an off position, a flush position, and a sample position; controlling the valve actuator to move the valves to the flush position and turning on the peristaltic pump so that fluid from the processing line is pumped to a waste bag; and controlling the valve actuator to move a particular valve to the sample position and to move any valve upstream of the particular valve to the flush position while the peristaltic pump remains on so that fluid from the processing line is pumped to the sample bag associated with the particular valve. | 03-06-2014 |
| 20140096624 | BALL ASSISTED DEVICE FOR ANALYTICAL SURFACE SAMPLING - A system for sampling a surface includes a sampling probe having a housing and a socket, and a rolling sampling sphere within the socket. The housing has a sampling fluid supply conduit and a sampling fluid exhaust conduit. The sampling fluid supply conduit supplies sampling fluid to the sampling sphere. The sampling fluid exhaust conduit has an inlet opening for receiving sampling fluid carried from the surface by the sampling sphere. A surface sampling probe and a method for sampling a surface are also disclosed. | 04-10-2014 |
| 20150096389 | SAMPLING POINT FOR A PARTICLE DETECTOR - A sampling point for use with an aspirating particle detection system. The sampling point includes: a body; a plurality of apertures in the body for drawing an air sample from an ambient environment; an outlet for delivering the sampled air, at a predetermined sample flow rate, from the body into a sampling pipe of the network of sampling pipes; and a means for maintaining the predetermined sample flow rate regardless of the presence or absence of ambient flow of air about the body. A particle detection system, and air sampling system are also described. | 04-09-2015 |
| 20150362410 | Sampling system for performing an automatic dialysis sampling - A sampling system performs an automatic dialysis sampling at specific time intervals of a dialysis treatment. The system includes a fluidic pathway in which a dialysis solution flows, a series of sampling containers, and a valve system. The valve system is arranged in the fluidic pathway. The sampling system includes an electronic system that controls automatically the valve system in order to direct a certain quantity of each fluid sample to a specific sampling container. | 12-17-2015 |
| 20160077060 | PROCESS SAMPLE AND DILUTION SYSTEMS AND METHODS OF USING THE SAME - Process sample and dilution systems automatically draw sample from a reactor or other source of sample and prepare drawn sample for subsequent injection to a chromatographic column or a detector. The process sample and dilution system has an external pump valve assembly in fluidic communication with a process sample manager. The external pump valve assembly includes an external sampling valve, an external process valve, external pump and a mixing tee. The external sampling valve can be configured to automatically acquire sample from a reactor or other source of sample. The external pump discharges wash from the external process valve whereby sample is discharged from the external sampling valve to the mixing tee for quenching and dilution and subsequent processing by the process sample manager. | 03-17-2016 |
| 073864350 | Chamber with alternate pressure or vacuum applier | 10 |
| 20080314166 | Aerodynamic Sampler For Chemical/Biological Trace Detection - An aerodynamic sampler for sampling particles from a surface or a flowing gas stream is provided. The sampler can include an arcuate-shaped shroud having a first opening and a second opening, the first opening being directed in a first direction and the second opening oppositely disposed and spaced apart from the first opening. A gas nozzle having at least one gas outlet directed generally in the first direction can be included and may or may not be located at least partially within the shroud. The gas nozzle is operable to supply a gas jet to a surface that is proximate the first opening of the shroud. In addition, a suction device operable to pull or suck the gas proximate the first opening through the second opening and afford for the gas to enter a detector is provided. The arcuate-shaped shroud can be a bell-shaped shroud with the first opening located at a bottom of the bell-shape. | 12-25-2008 |
| 20090095093 | Scent evidence collecting and transfer device - An improved scent transfer device for collecting evidence at a crime scene. The device comprises a gas cartridge coupled to an air valve. A holder having a sterile pad positioned therein is secured to one end of a housing containing said air valve by locking protrusions. When gas from the cartridge is expelled into the air valve, a vacuum is created at the end of where the pad holder is attached when a switch is pressed, enabling a user to collect the scent on the pad. The pad can then be removed and stored in an evidence bag. An extension member which locks into the holder can be utilized to extend the capabilities of the device. | 04-16-2009 |
| 20090139352 | APPARATUS AND METHOD FOR ANALYSIS OF DRY POWDER INHALER PRODUCTS - An apparatus and method are provided for collection and analysis of dry powder inhaler products to determine foreign particulate matter found therein. The apparatus includes a collection chamber that communicates directly with the mouthpiece of a dry powder inhaler device. The collection chamber is used to both collect product samples, as well as to mix the samples with a diluent that places the active pharmaceutical components and excipients in solution, while the foreign particulate matter remains suspended. Analysis of a sample is preferably conducted by light obscuration wherein a probe is inserted directly within the collection chamber of the apparatus. An integral magnetic stir-bar incorporated within the apparatus eliminates the need to transfer the collected sample to a secondary vessel for mixing or analysis. | 06-04-2009 |
| 20100326216 | NON-INVASIVE METHOD AND SYSTEM FOR SCREENING THE CONTENT OF CONTAINERS FOR THE PRESENCE OF THREAT SUBSTANCES - The invention is a method and system of screening the content of an enclosure, such as a cargo container, for the presence of one or more target substances, such as explosives or drugs, comprising drawing air from the enclosure and passing the drawn air across at least one sampling card having a coating configured to absorb/adsorb the one or more target substances and thereafter analyzing the sampling card to determine if the coating has absorbed/adsorbed one or more target substances. The system embodiment includes a vacuum source, a conduit coupled to the vacuum source and a sampling card holder disposed along the conduit. The sampling card holder removably holds at least one sampling card having a coating thereon configured to absorb/adsorb the one or more target substances, so that air drawn into the conduct from the enclosure passes across the at least one sampling card. | 12-30-2010 |
| 20110048143 | CONTAMINATION MEASUREMENT STATION AND METHOD FOR A SEMICONDUCTOR SUBSTRATES TRANSPORT POD - The invention concerns a measurement station for the measurement of particle contamination of a transport pod for the conveyance and atmospheric storage of semiconductor substrates, such pod comprising a casing capable of being closed by means of a removable access door, such station comprising:
| 03-03-2011 |
| 20110056312 | Apparatus for handling a liquid sample - An apparatus for handling a liquid sample, especially for automatic removal of a liquid sample from a sample-taking location, comprising: a control unit; a sample collecting unit; a supply and metering system, which is embodied to convey a liquid sample from the sample-taking location and to meter the sample into a liquid receptacle of the sample collecting unit; a housing with a first housing part, which at least partially surrounds at least the sample collecting unit, and a second housing part, which is separated from the first housing part, and which at least partially surrounds a metering space; wherein at least parts of the supply and metering system are arranged in the metering space; and wherein the apparatus furthermore includes a plate, which is releasably connected with the second housing part surrounding the metering space, and which divides the metering space into a first metering space part and a second metering space part. | 03-10-2011 |
| 20110061476 | METHOD AND DEVICE FOR TRANSFERRING A MICROSCOPIC, ISOLATED SAMPLE, MICRO-DISSECTION SYSTEM COMPRISING SUCH A DEVICE AND METHOD FOR PRODUCING A NANO-SUCTION MEANS - A method and a device for transferring a microscopic, insulated sample, particularly a membrane-supported micro-dissected specimen, from an object table to an analysis arrangement, with a suction apparatus comprising a nano-suction means with a suction tube and a terminal membrane and a vacuum/overpressure unit which can be coupled to the nano-suction means for sucking or blowing the sample onto or from the terminal membrane; and a carrier apparatus for carrying the nano-suction means, which can be moved by means of an associated positioning unit for positioning the nano-suction means exactly in a sample removal position for sucking the sample onto the terminal membrane and in a sample release position for blowing the sample from the terminal membrane. A micro-dissection system, comprising such a device and a method for the production of a nano-suction means that is used in such a device. | 03-17-2011 |
| 20110120238 | Sequential groundwater sampler and sampling method thereof - The present invention relates to a sequential groundwater sampler and a sampling method thereof, and more particularly, the sampler is constructed with a first pipe, a second pipe, a first cylinder unit and a second cylinder unit. The first pipe plays a role as a container for vacuum sample bottle. The first pipe is fixedly inserted to the second pipe. The second pipe is connected to the two cylinders to be moved up and down vertically while surrounding the first pipe by an advance and retreat of the second cylinder unit. The second pipe plays a role of, passing a syringe needle amounted at the end of a first piston in the first cylinder unit through a rubber plug of a vacuum sample bottle at the bottom end of the first pipe, or separating the syringe needle from the vacuum sample bottle, by an advance and retreat of the first cylinder unit. If the second cylinder and the first cylinder sequentially advance, groundwater is injected to the vacuum sample bottle at the bottom end of the first pipe. If the first cylinder unit and the second cylinder unit sequentially retreat, the vacuum sample bottle completed with injection of the sample is separated downward from the first pipe gravity. The present invention is related to the sampler and the method that sequentially sampling groundwater at a particular depth in a well through repeating above processes. | 05-26-2011 |
| 20110174090 | VACUUM ASSISTED NUT DROP TEST - The present invention provides for an apparatus for testing a surface coating. An elongated tube having a first end and a second end is provided wherein said second end is open to a holding container. The first end of the elongated tube farther includes a funnel. A planar test panel is adapted to hold a variety of materials to be tested. Such materials include paint, coatings, tape, or other like materials. A separator is fluidly connected to the holding container via a first conduit. A vacuum is fluidly connected to a separator by means of a second conduit. A tester places a plurality of loose test pieces, such as metal nuts or small rocks, into the funnel and the loose test pieces fall through the elongated tube and onto the planar test panel. The loose test pieces then fall into the holding container. The vacuum creates suction through said separator and through the conduits into the holding container thereby removing the loose test pieces from the holding container through the conduit and into the separator. The loose test pieces can then be removed from the separator, and the testing process may easily be repeated. | 07-21-2011 |
| 20120103112 | DUAL FEEDBACK VACUUM FLUIDICS FOR A FLOW-TYPE PARTICLE ANALYZER - The present invention relates to a vacuum-driven fluidic system for a flow-type particle analyzer. The system includes a vacuum pump which creates a pressure drop downstream of the flow cell, which pulls sheath fluid and sample fluid through the flow cell. A variable-resistance fluidic resistor is configured to control the ratio of sample fluid flow to sheath fluid flow. Dual feedback circuits, one configured to modulate the vacuum pump power in response to the pressure drop across the flow cell, referred to as the dynamic pressure drop, and a second configured to modulate the vacuum pump power in response to the pressure drop created by the vacuum pump relative to ambient pressure, referred to as the static pressure drop, are used to automatically control the system. The present invention enables adjustment of the sample fluid flow rate while maintaining a constant total fluid flow through the flow cell, and further, enables pausing the system without significant fluctuations in the vacuum. | 05-03-2012 |
