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| Number | Title | Issue Date |
| 8091436 | Differential force sensor A differential force sensor method and apparatus for automatically monitoring manual injections through an intravenous line. The differential force sensor includes two piezoresistive sense die that are packaged in close proximity utilizing a number of packaging proc... | 01/10/2012 |
| 8006571 | Air flow measurement An arrangement for measuring air flow includes a source of measurement values and a processing unit. The source of measurement values is operable to generate measurement values representative of a difference in pressure from air obtained on a first side of an obstru... | 08/30/2011 |
| 7992454 | Airflow bench with laminar flow element A testing system includes a single air collection box and a laminar flow system for obtain an airflow measurement. The single airflow box has air inlet and outlet ports at opposite ends. The laminar flow element has a laminar flow element inlet in fluid communicatio... | 08/09/2011 |
| 7942069 | Fluid handling device with isolating chamber A fluid handling device includes a body portion defining a flow passage and an impulse chamber extending from the flow passage. The impulse chamber is fluidly coupled with the flow passage and has a pair of opposing ends defining a length dimension therebetween. The... | 05/17/2011 |
| 7832283 | Fluid flow meter and mixer having a fluid displacement member with sloped walls Fluid flow apparatus, such as a fluid flow meter, a fluid mixing device or a fluid dispersing device, includes a fluid displacement member (40) mounted in a conduit (20) and having a sloped exterior wall (48) forming a periphery on the member fo... | 11/16/2010 |
| 7819022 | Method and device for recording characteristic state, amount and composition of a flowing medium Method and device that by acoustic signal energy—generated by a flowing medium, detects characteristic properties, amounts and the individual distribution between several components/phases, i.e. liquids, gases, particles or any distribution individual and between ... | 10/26/2010 |
| 7784361 | Electronic fluid dispensing apparatus and related method An electronic fluid dispensing apparatus and related method. At least some of the illustrative embodiments are apparatuses comprising a funnel comprising a receiving mouth open to atmosphere, a sidewall that defines a frustum, and an apex that comprises an end porti... | 08/31/2010 |
| 7775126 | Fluid flow monitor A differential force sensor method and apparatus for automatically monitoring manual injections through an intravenous line. The differential force sensor includes two piezoresistive sense die that are packaged in close proximity utilizing a number of packaging proc... | 08/17/2010 |
| 7775127 | Method and system for measuring flow at patient utilizing differential force sensor A fluid delivery system and method for measuring flow at a patient utilizing a differential force sensor in order to precisely control the flow of fluid at very low flow rates. The system includes a fluid line through which a fluid is conveyed to the patient, and a ... | 08/17/2010 |
| 7698958 | Differential pressure means for a gas meter arrangement, comprising an improved flow geometry A differential pressure system and a gas meter arrangement for precisely measuring a gas consumption by a gas meter is provided. A previously known gas meter is disposed in a bypass comprising a differential pressure system in the gas pipe for measuring a volumetric... | 04/20/2010 |
| 7681461 | Pipe adapter for adjusting the flow past a sensor An adapter for a pipe is disclosed where the adapter changes the effective inside diameter of the tube to increase the airspeed flowing through the area where the adapter is placed. The adapter is utilized in automobiles where to adjust engine parameters based upon ... | 03/23/2010 |
| 7654154 | Conditioning orifice plate with pipe wall passages An element of an averaging orifice plate fluid flow meter for measuring the volumetric rate of fluid flow in a conduit having an interior circumference for carrying a flow of fluid comprising, a planar flow impedance plate for disposition transversely across the int... | 02/02/2010 |
| 7650799 | Method and apparatus for investigating a gas-liquid mixture A method and system are provided for investigating a gas-liquid fluid mixture as it is conveyed in a conduit having a first constriction region providing a reduced conduit cross section. The method and system include inducing the mixture to exhibit swirling flow in ... | 01/26/2010 |
| 7631562 | Mass-flow sensor with a molded flow restrictor A high mass-flow sensing apparatus and method of forming the same, comprising a flow tube bypassed in a flow path defined by a flow channel, through which a fluid flows. A flow sensor can be disposed in the flow tube for measuring a flow rate of the fluid in the flo... | 12/15/2009 |
| 7610817 | Orifice member, and differential-pressure flow meter and flow-regulating apparatus using the same Provided are an orifice member, and a differential-pressure flow meter and a flow-regulating device using the orifice member, that allow purging to be carried out easily when changing the fluid to be circulated, that are less likely to cause contamination and leachi... | 11/03/2009 |
| 7591192 | Pipe coupling including an orifice plate and a rate of flow measuring device A pipe coupling flange (16) comprising a central bore and having first and second ports for receiving valves and a plurality of channels, wherein a take-off channel links the first port with the central bore, a feed channel links the first port directly or in... | 09/22/2009 |
| 7574925 | Metering and pumping devices The present disclosure presents several embodiments for metering devices some of which also have pumping capability. The devices utilize one or more pistons located within a cylindrical rotor. As the cylindrical rotor is turned by a suitable torque/power source, a f... | 08/18/2009 |
| 7533581 | Flow measurement system and method Flow measurement systems and techniques may allow flow information to be wirelessly transmitted. The systems and techniques may include a meter index cover and a wireless meter transmitter adapter. The meter index cover may be configured and arranged to house a mete... | 05/19/2009 |
| 7500405 | Fluid flow meter and mixer having removable and replacable displacement member Fluid flow apparatus, such as a fluid flow meter, a fluid mixing device or a fluid dispersing device, includes a fluid displacement member removeably mounted in a conduit and a pipe or tube extending through the wall of the conduit and having a portion extending thr... | 03/10/2009 |
| 7484426 | Multiphasic overreading correction in a process variable transmitter A process variable transmitter is operably coupleable to a source of multiphasic process fluid flow. The process variable transmitter is configured to obtain information relative to temperature, a reference pressure, and differential pressure across a differential p... | 02/03/2009 |
| 7484425 | Fluid flow meter with a body having upstream and downstream conical portions and an intermediate cylindrical portion A mass flow meter device utilizing a housing having a wall portion forming a chamber with an entrance and exit for passing fluid through the same. A body is located within the chamber and is composed of a first conical portion, a second conical portion, and a cylind... | 02/03/2009 |
| 7464611 | Differential pressure means for a gas meter arrangement, comprising an improved flow geometry A differential pressure system and a gas meter arrangement for precisely measuring a gas consumption by a gas meter is provided. A previously known gas meter is disposed in a bypass comprising a differential pressure system in the gas pipe for measuring a volumetric... | 12/16/2008 |
| 7461563 | Bi-directional orifice plate assembly A bi-directional orifice plate assembly is disclosed. In an embodiment, the orifice plate assembly includes a first ring member, a second ring member, an orifice plate disposed between the first and second ring members, a first seal assembly disposed between the fir... | 12/09/2008 |
| 7454984 | Flow meter for measuring a flow rate of a flow of a fluid A flow meter for measuring a flow rate of a flow of a fluid includes a housing member including a first section configured to matingly couple with a second section. The flow meter further includes an integrally formed laminar flow member removably held within at lea... | 11/25/2008 |
| 7437951 | Method of using a differential pressure type flowmeter A flowmeter is provided that comprises a leadframe assembly (140) and a body (144) disposed at least partially around the leadframe assembly (140). The body (144) has a flow passage therethrough that comprises a first channel (178)... | 10/21/2008 |
| 7434479 | Method and an arrangement for the flow monitoring of multiphase mixtures An arrangement (10) for the determination of the mass flow and of the gas/liquid ratio in a multiphase mixture during conveying includes—in the conveying direction (9)—a first venturi nozzle (5.1), a pump (1) and, after the pump, a se... | 10/14/2008 |
| 7431045 | Flow restrictor A flow restrictor with a first disk having at least one inlet and at least one outlet and a flow path and a second disk having no flow path. The first disk and the second disk being stacked together. A mass flow controller comprising with an input, an output, a flow... | 10/07/2008 |
| 7415894 | Magnetic inductive flowmeter having a plug-type electrode connection A magnetic inductive flowmeter having a measuring distance that is surrounded by a wall; a magnetic field generating device, and; an electrode device, which has at least one electrode on the inside of the wall and an electrode connection on the outside of the wall. ... | 08/26/2008 |
| 7415895 | Flow meter with a rectifying module having a plurality of mesh members A rectifying module is arranged on an upstream side of a flow passage containing a flow velocity sensor. The rectifying module includes mesh members each having a plurality of circular small holes and ring-shaped spacers, wherein the mesh members and the spacers are... | 08/26/2008 |
| 7406879 | Static pressure tube apparatus, method, and system An apparatus, system, and method for measuring static pressure in a warm gas flow while minimizing particulate deposit formation includes a housing containing the flow of gas, a pressure sensor, and a heated pressure sampling tube attached to the sensor, with the tu... | 08/05/2008 |
| 7406880 | Averaging orifice primary flow element A process flow device includes a self-averaging pitot tube type of primary flow element for measuring, by a differential pressure process, the volumetric rate of fluid flow at a point in a fluid carrying conduit where the velocity profile of the fluid is asymmetric ... | 08/05/2008 |
| 7404337 | Mass flow meter with fluid lens A flow metering apparatus possessing a housing with a chamber including and entrance and an exit for the passageway of fluid therethrough. A flow directing body is located in the chamber and includes first and second conical portions positioned on either side of a c... | 07/29/2008 |
| 7367241 | Differential pressure type flowmeter and differential pressure type flow controller A differential pressure type flowmeter comprises an orifice, a detector to detect a fluid pressure P1 on the upstream side of an orifice, a detector to detect a fluid pressure P2 on the downstream side of an orifice, a detector to detect a flui... | 05/06/2008 |
| 7363824 | Flow sensor A flow sensor for flowing media with a cylindrical housing (2) and with a sensor element located in the housing (2), the housing (2) preferably having an outside thread (3) and being screwable into a union (4) of a pipe (5) ... | 04/29/2008 |
| 7357033 | Manual resuscitators with integral manometer A manometer integrated into a manual resuscitator includes a housing with a communication path, and a pressure gauge integrally forming part of the housing. A sensing chamber and an atmospheric chamber are separated by a diaphragm subject to distortion by differenti... | 04/15/2008 |
| 7357040 | Torus wedge flow meter A flow meter for measuring the volume of fluid flowing through the meter includes an inner cylindrical tube through which the fluid flows and an outer cylindrical tube tending over the inner cylindrical tube. The outer cylindrical tube is radially spaced from the cy... | 04/15/2008 |
| 7347099 | Pressure transducer with external heater An improved pressure transducer is disclosed. The transducer includes a connector, an enclosure, a sensor portion, and an external heater disposed to heat the sensor portion. In some aspects, the sensor portion includes a sensor constructed from a brittle material a... | 03/25/2008 |
| 7337674 | Pressure detector for fluid circuits A pressure measurement device usable for monitoring pressure of fluids such as blood, waste, and replacement fluid in a blood treatment system provides a reliable signal and other benefits by virtue of a number of features of the various embodiments disclosed. The p... | 03/04/2008 |
| 7337677 | Differential pressure flowmeter, flow controller, and apparatus for processing substrate A differential pressure flowmeter comprises a tube having a circular section, a first pressure sensor for measuring a pressure of a liquid flowing into the tube, a second pressure sensor for measuring a pressure of a liquid flowing out of the tube, a storage part fo... | 03/04/2008 |
| 7337678 | MEMS flow sensor A micro-electro-mechanical, micro-fluidic flow sensor (14) includes a flow separating element (15) for separating a first portion (24) of a fluid flow (25) from a second portion (26) of the fluid flow. The flow sensor also includes... | 03/04/2008 |
