| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 116264000 | Fluid flow | 25 |
| 20090025626 | Fluid Flow Indicator - A fluid flow indicator for observation of low flow rates in liquids includes a capillary tube ( | 01-29-2009 |
| 20090145349 | Fluid Flow Indicator - A fluid flow indicator consists of a flow chamber having a freely spinning flow rate indictor that rotates in response to fluid flow and rotates in proportion to the rate of flow. A visible indicator allows a medical practitioner to carefully control the flow rate even though the fluid flow is smooth without other visible signs of movement. In one embodiment a plurality of flow holes are provided in the fluid chamber to direct the fluid around the fluid flow indicator rotor causing the rotor to rotate in proportion to the rate of fluid flow. Another embodiment provides a flow opening to direct the fluid past the rotor. The fluid chamber is provided with a connecting nipple on either end to connect the flow indicator with a fluid delivery system. | 06-11-2009 |
| 116266000 | Pressure | 19 |
| 20080282963 | PRESSURE INDICATING DEVICE - A pressure indicating device includes a case including a gas passage, and a movable indicator carried by the case. The indicator has an end in fluid communication with the gas passage and an indicator end projectable out of a portion of the case when pressure in the gas passage is at least a predetermined minimum pressure. A spring may retract the indicator when pressure in the gas passage is below the predetermined minimum pressure. | 11-20-2008 |
| 20090056615 | Indicator for pressure container - An indicator includes a case mountable in a gas filling passage of a pressure container; a valve element which is urged toward one side of the case connectable to the pressure container, the valve element being movable in the case to a position balanced with gas pressure in the pressure container; an O-ring serving as a seal member for ensuring gas tightness between the valve element and the case; and an indicating member slidable relative to the case between a position protruding outside the case and a position not protruding. The O-ring is arranged on the valve element so that the O-ring is in contact with the case to ensure gas tightness when the valve element is in a first balanced position while a gas pressure in the pressure container is e.g. 7 MPa or higher and the O-ring is out of contact with the case not to ensure gas tightness when the valve element is in a second balanced position while the gas pressure is less than e.g. 7 MPa. | 03-05-2009 |
| 20100095879 | Pressure Display Device For Compressors - A pressure display device includes a body having an adjustment valve and a display unit connected thereto. The pressurized air enters into the body via paths and the display unit. The pressure detection member detects the pressure and displays the value of the pressure in the display screen. The display screen can be adjusted its position relative to the body by rotating the rotary part such that the user can check value easily. | 04-22-2010 |
| 20100269748 | INDICATOR FOR PRESSURE CONTAINER - An indicator includes a case mountable in a gas filling passage of a pressure container; a valve element which is urged toward one side of the case connectable to the pressure container, the valve element being movable in the case to a position balanced with gas pressure in the pressure container; a seal member for ensuring gas tightness between the valve element and the case; and an indicating member slidable relative to the case between a position protruding outside the case and a position not protruding. The spring force and a gas pressure force may be equally balanced at first and second balanced positions of the valve element. | 10-28-2010 |
| 20120090530 | PRESSURE INDICATOR - A pressure indicator for indicating pressure of a pressure source. The indicator comprises a first reservoir which defines a first enclosed volume having a first inlet pipe for communication between the first enclosed volume and a first source of pressurised fluid. The first inlet pipe defines a nominal communication path length between the first enclosed volume and a first source of pressurised fluid. A member is provided in the first inlet pipe which defines one or more communication paths of greater length to that of the nominal communication path length. | 04-19-2012 |
| 20120090531 | PRESSURE INDICATOR - A pressure indicator for indicating pressure of a pressure source. The indicator comprises a first reservoir which defines a first enclosed volume having a first inlet pipe for communication between the first enclosed volume and a first source of pressurised fluid. A damping passage is provided in fluid communication with the first enclosed volume. A pressure oscillation damping means is provided in the damping passage. The damping means comprises a moveable body constrained within a limited range of motion along the damping passage. | 04-19-2012 |
| 20120186509 | ADMINISTRATION SET FLOW CONDITION MONITOR - An administration set flow condition monitor ( | 07-26-2012 |
| 20120186510 | PRESSURE INDICATOR - A pressure indicator: a body having a pressure chamber which has an inlet for communication with a fluid; a resilient diaphragm having a periphery sealed against the body and having one side thereof exposed to the fluid within the chamber; an indicating arm having an inner end which is integrally formed with the other side of the diaphragm and an outer end arm which is adjacent to a scale, the arrangement being such that pressure of the fluid within the chamber causes resilient deformation of the diaphragm which in turn causes the outer end of the arm to move relative to the scale thereby indicating the pressure of the fluid in the chamber. | 07-26-2012 |
| 20130133565 | PRESSURE INDICATION DEVICE OF INFLATION MACHINE - A pressure indication device is provided to connect to an inflation mechanism of an inflation machine. The pressure indication device includes a linearly movable plate and an elastic element. A scale bar having graduations is provided along a moving path of the plate. The elastic force of compression of the elastic element serves as a reaction force (restoration and returning force) for the linear movement of the plate. Correspondingly, a pressure is induced in an air compartment of the inflation mechanism the so that the moving distance of the plate is indicative of the pressure level and thus precise measurement of pressure can be realized. | 05-30-2013 |
| 116267000 | With magnetic means | 1 |
| 20080289567 | Method and Apparatus for a Gauge for Indicating a Pressure of a Fluid - The invention relates to a method and apparatus for a gauge for indicating a pressure of a fluid, including a gauge having a face where the face has a first plurality of graduation marks, each for indicating a pressure in an ascending direction. The face also has a second plurality of graduation marks, each for indicating a pressure in a descending direction. In addition, the gauge includes a sensor magnet for detecting the pressure of the fluid, a pointer magnet coupled to a pointer and in communication with the sensor magnet for moving the pointer in correspondence with a movement of the sensor magnet, and wherein the pointer traverses across both the first and second pluralities of graduation marks for indicating the pressure of the fluid in either an ascending direction or descending direction. | 11-27-2008 |
| 116268000 | Differential | 2 |
| 20140109823 | Tank Pressure Indicator - A pressure indicator system is provided for use a gas storage container. The gas storage container has an interior that stores gas, and a housing having a cavity that opens to atmosphere and which communicates with the interior of the container. A piston or diaphragm communicates with a stem that extends through the cavity and into atmosphere, with the stem having a pressure indicator provided around an upper portion of the stem. A resilient element is retained in the cavity and normally biases the piston or diaphragm towards the interior of the container. The existence of pressure in the container opposes the normal bias of the resilient element to cause the stem and its pressure indicator to extend outside the cavity. | 04-24-2014 |
| 20150144053 | PRESSURE DIFFERENTIAL INDICATOR - A pressure differential indicator that eliminates the risk of providing a false positive due to fluid contamination. The invention has an electrically insulated barrier between the “hot” pin and the grounded housing without the need for a hermetic seal. The indicator can be manufactured at a greater efficiency and lower cost than is found with prior art pressure differential indicators. It has a piston that can be easily oriented to yield either a normally closed or normally open position. The indicator has at least one protrusion on a plastic overmold to engage the swage collar and resist axial rotation of the pin. A pressure seal interrupting the plastic overmold sections and exposing the underlying metal to allow for an O-ring seal with no potential leak path between plastic and metal. Finally, the pressure differential indicator has all moving components contained within a single cavity. | 05-28-2015 |
| 116271000 | Rotary indicator | 6 |
| 20090205559 | POINTER FOR USE IN A GAUGE, A GAUGE EMPLOYING THE POINTER, AND A METHOD OF MAKING THE POINTER - A gauge for measuring the magnitude of a measurable quantity, such as fluid pressure. The gauge includes a rotatable axle or shaft intended to rotate in response to different magnitudes of the quantity being measured and includes a dial possessing indicia corresponding to different magnitudes of such quantity. The improvement in the gauge relates to a very light-weight pointer having a needle section and a counterbalance section, in which the needle section is formed of a relatively light mass material, preferably balsa wood. The counterbalance section may be fashioned of a different, denser material. The surface of the counterbalance section may be provided with a series of parallel depressions that aid in cutting or trimming the counterbalance section to achieve a balance of the pointer about the axle or shaft. A method of making such a pointer is also disclosed. | 08-20-2009 |
| 20110283932 | ALARM MARK STRUCTURE OF A MICRO-DIFFERENTIAL PRESSURE GAUGE - An alarm mark structure of a micro-differential pressure gauge includes a transparent casing. The transparent casing has at least one recess thereon. The recess is located corresponding to the range of movement of a pointer or a scale plate. At least one mark member is provided on the transparent casing. The mark member has an engaging portion. The engaging portion is inserted in the recess, such that the mark member is coupled on the transparent casing. The user can place the mark member on the recess corresponding to the numerical value on the scale plate as desired to know whether the pointer is located within a safe area. | 11-24-2011 |
| 20110290172 | PRESSURE GAUGE - A pressure gauge | 12-01-2011 |
| 20120227662 | PRESSURE GAUGE WITH INTEGRAL INPUT AND VALVE - A pressure gauge device includes a display face, a pressure sensing mechanism capable of outputting the pressure level within a fluid flow device to the display face, an exhaust valve positioned on the display face and an input positioned on the display face, the input capable of controlling a fluid flow source, such as a compressor, to activate the fluid flow source. The exhaust valve and the input may be integrated into the display face by including a valve cutout and an input cutout in the display face. At least a portion of the exhaust valve may extend through the valve cutout, and at least a portion of the input may extend through the input cutout. | 09-13-2012 |
| 20130160696 | PRESSURE GAUGE - A pressure gauge includes a gauge base rotably disposed on a rotating shaft and a sectored gear disk of the gauge base, an indicating needle coupled to an end of the rotating shaft, and a reed pipe coupled to a pressure source, and the rotating shaft has an engaging portion engaged with the sectored gear disk for a transmission, and the pressure gauge is characterized in that the reed pipe has a lever installed at a movable end of the reed pipe, and the sectored gear disk has a latch hole for latching the corresponding lever, and when an end of the reed pipe is moved by a change of pressure, the lever is linked to the latch hole to rotate the sectored gear disk, so as to drive and turn the indicating needle linked with the rotating shaft. | 06-27-2013 |
| 20140299044 | Pressure gauge - A pressure gauge includes a base including an annular flange and a pipe for gas flow; a ring on the flange; an uneven pressure measuring member on the ring; a moveable assembly including a seat, a hollow insert, and a shaft wherein the seat is secured to the pressure measuring member, the insert includes two opposite, internal, upper projections, the insert is fastened in the seat, the shaft includes external threads secured to the projections, an upper annular groove, a top protrusion, and an axis projects upward from the protrusion; a pointer secured to the axis; a covering member includes a ring member on the pressure measuring member, and a bridge crossing the ring member and allowing the axis to pass through, and a bent member; a balance spring in the groove and fastened in the bent member; a scale on the bridge; a housing; and a transparent cover. | 10-09-2014 |
| 116272000 | Rectilinear indicator | 1 |
| 20100212579 | PRESSURE STATE INDICATOR - A pressure state indicator indicates whether or not positive pressure fluid or negative pressure fluid is supplied to a fluid path. A fluid guide member | 08-26-2010 |
| 116273000 | Movable means in flow path | 2 |
| 20090071392 | FLUID FLOW RESTRICTION INDICATOR - An indicator suitable for signaling restricted flow of a fluid through a filter mounted in a filter indicator includes a housing having an inner cavity. A diaphragm disposed within the housing separates the inner cavity into first and second chambers and deflects from a neutral position in response to applied pressures within the first and second chambers. A tab assembly opposite the diaphragm includes a spring-loaded flag moveable from a first position within the housing to a second position outside the housing. A pin operably coupled to the diaphragm holds the spring-loaded flag within the housing when the diaphragm is in the neutral position. In response to the diaphragm being deflected sufficiently from the neutral position to release the pin, the spring-loaded flag travels to the second position outside of the housing, thereby indicating a restrictive flow condition for the filter. | 03-19-2009 |
| 116275000 | Lever or cantilever | 1 |
| 20140345516 | MASS VELOCITY SENSOR DEVICE AND METHOD FOR REMOTE MONITORING AND VISUAL VERIFICATION OF FLUID VELOCITY - A wireless multi-range, mass velocity sensor assembly for remote monitoring with direct on-site visual validation of mass velocity is provided. In certain implementations, the sensor assembly comprises a channel body fixture, an obstruction mounted within an aperture formed in the inlet or outlet of the channel body fixture, and an arcuate indicator that protrudes above the fluid flow path and provides clear visual readout of the flow velocity. In some implementations, the sensor assembly can be easily adapted for existing back check valve and other back flow prevention devices. | 11-27-2014 |
| 116276000 | Sight glass | 2 |
| 20080251003 | ILLUMINATED GAS FLOW TUBE AND PRESSURE GAUGE - An illuminated gas flow tube comprises an in-line flow tube having a distal end and a proximal end. A gas inlet is co-axially secured to the distal end, and a gas outlet is co-axially secured to the proximal end. A specific gravity ball is located within the in-line flow tube, and moves within the flow tube as a function of gas entering the gas inlet. A phosphorescent or photoluminescent material is configured and arranged to at least partially lengthwise surround a radial exterior portion of the flow tube to illuminate the interior of the tube. An illuminated gas pressure gauge comprises an gas inlet, a pressure sensing element, a transparent cover, and a face that is encased by and seen through the transparent cover, where the face includes markings indicative of pressure. A needle is operatively connected to the pressure sensing element and seen through the transparent cover to provide a visual indication of pressure at the gas inlet, where the face is coated with an illuminating material that allows the gauge to be read in low light conditions. | 10-16-2008 |
| 20150107507 | Light Enhanced Flow Tube - An improved fluid flow gauging device includes a light enhanced acrylic block flow tube to optimize visualization of pressure readings. An LED or other light source is fitted to the top of the flow tube and illuminates a float or bobbin from above to provide more accurate readings, especially in low light conditions such as modern operating rooms. In addition, the light enhanced flow tube provides a mechanical backup in the case of failure of newer electronic systems and visually matches the graphical flow display, simultaneously providing a double-check of the electronic system. | 04-23-2015 |
