Patents for G01L 19 - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges (10,924) |
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10/17/1991 | DE4010734A1 Electronic blood pressure measuring equipment - with signal processing unit only operative when dynamic pressure changes are absent |
10/16/1991 | CN2086901U Pressure indicator with safe protector and pressure recording |
10/15/1991 | US5056558 Dunnage airbag pressure controller |
10/08/1991 | US5056049 Position Transmitter |
10/02/1991 | DE4036783C1 Overload protector for pressure sensor - provides pneumatic low pass capillary made of metal poly:acryl or polyamide in-front of pressure input of piezo-resistive miniature sensor |
10/02/1991 | DE4009741A1 Gas bottle manometer for gas leak detection - has pressure detector and pressure threshold detector operating warning signal device |
10/02/1991 | CN2085958U Protector for pressure gage |
10/02/1991 | CN2085957U Anti-freezing pressure gage in pipe |
10/02/1991 | CN1055060A Integrated multisensor and static and differential pressure transmitter and plant system using integrated multisensor |
10/01/1991 | US5053692 Temperature dependent power supply for use with a bridge transducer |
09/25/1991 | EP0448308A2 System for controlling ambient pressure within an enclosed environment |
09/24/1991 | US5051729 Pressure responsive encoder |
09/24/1991 | US5050634 Very low differential pressure switch |
09/24/1991 | CA1289378C Pressure transducer |
09/19/1991 | DE4008320A1 Pressure sensor with deformation detection resistors |
09/18/1991 | EP0447255A2 Piezoelectric-type pressure sensor |
09/17/1991 | US5048323 Fluid metering |
09/16/1991 | CA2038395A1 System for controlling ambient pressure within an enclosed environment |
09/12/1991 | DE4006906A1 Appts. to insert probe into pipe - is used with pipe contg. material under pressure, and incorporates cylinder and sealable port |
09/11/1991 | EP0445332A1 Device for monitoring potentially explosive installations |
09/11/1991 | EP0445162A1 Magnetic linkage for bourdon tube gauges |
09/11/1991 | EP0311613B1 Pressure transducer with stress isolation for hard mounting |
09/10/1991 | US5046365 Transducer thermal protection system |
09/10/1991 | US5046360 Aerodynamic probe internal constructions |
09/04/1991 | CN2084195U Hydraulic indicator for storage in liquefied petroleum gas |
09/04/1991 | CN2084194U Micro-pressure amplifer for diffusion' silicon force sensitive sensor |
09/03/1991 | WO1991012765A1 Multiprobes with thermal diffusion flow monitor |
09/03/1991 | CA2076667A1 Multiprobes with thermal diffusion flow monitor |
08/28/1991 | CN2083749U Electric joint point pressuremeter alarm device |
08/28/1991 | CN2083748U Pressure instruments protecting joint |
08/28/1991 | CN1013711B Piezomagnetic tester for directly indicating absolute stress of concrete |
08/27/1991 | US5043841 High pressure transducer package |
08/27/1991 | US5042307 Amplifying compensation circuit for semiconductor |
08/27/1991 | CA1288173C Pressure and temperature sensor |
08/20/1991 | US5040477 Warning device for compressed air tanks |
08/20/1991 | US5040420 Pressure responsive sending unit |
08/14/1991 | EP0441130A2 Device for controlling rapid air pressure fluctuations in public transport means |
08/06/1991 | US5036884 Mounting means for fluid pressure transmitters |
08/06/1991 | US5036711 Averaging pitot tube |
07/31/1991 | EP0362287A4 Modular transmitter |
07/25/1991 | WO1991010819A1 Engine coolant pressure indicator (non-electrical) |
07/24/1991 | EP0438065A2 Threaded valve assembly, especially for a flow control valve |
07/24/1991 | CA2008491A1 Pressure gauge |
07/23/1991 | US5033294 Pressure gauge |
07/20/1991 | CA2033926A1 Valve cap pressure drop indicator |
07/17/1991 | CN2081090U Liquid isolator |
07/16/1991 | US5031462 Snap-fit construction low cost pressure sensing device |
07/10/1991 | CN2080665U Induction shockproof electrical contact manometer |
07/09/1991 | US5029468 Elements necessary for the excitation and the monitoring of wheel modules in a system for monitoring the wheels of a vehicle |
07/04/1991 | DE4013921C1 Air pressure measuring device for aeroplane - has infrared energy source e.g. laser diode with driver feeding converter e.g. solar cell and storage capacitor |
07/02/1991 | US5027740 Valve cap pressure drop indicator |
06/26/1991 | CN1052550A Aerodynamic probe internal constructions |
06/25/1991 | US5025661 Combination air data probe |
06/18/1991 | US5024100 Automatic transducer selection system for pressure measurement |
06/16/1991 | WO1991009274A1 Aerodynamic probe internal constructions |
06/16/1991 | CA2069110A1 Aerodynamic probe internal constructions |
06/13/1991 | DE3940709A1 Pressure transducer with separation sensing - has distance piece between relatively displaceable elements |
06/12/1991 | EP0431345A2 Probe for measuring pressure of a fluid flowing in a pipe |
06/12/1991 | CN2078874U Light manometer |
06/12/1991 | CN2078873U Means for suppressing the interference of wind pressure |
06/11/1991 | US5022271 Pressure sensing device for pipes |
06/11/1991 | US5022270 Extended measurement capability transmitter having shared overpressure protection means |
05/29/1991 | DE3938782A1 Pressure compensator for sensor in braking system - contains air exchange body with elastic sealing ring that allows air exchange between sensor and atmosphere |
05/28/1991 | US5018388 Pressure sensor for infusion conduits |
05/21/1991 | US5016442 Master cylinder with fluid level and pressure failure detector |
05/14/1991 | US5014786 Pressure checker |
05/08/1991 | CN1051247A Universal connector for manometer |
05/07/1991 | US5012678 Overpressure relief safety plug for pressure gauges |
05/07/1991 | US5012677 Differential pressure transmitter |
05/02/1991 | EP0424483A1 Pressure sensor. |
05/02/1991 | DE3935507A1 Information and operating field for monitoring equipment - displays monitored parameter, e.g. temp. using LEDs or LCD(s) showing selected monitoring or switching point |
04/30/1991 | US5012436 Sensor arrangement with amplifier offset cancellation |
04/25/1991 | DE3941369A1 Transfer device for pressure measuring-processing system - has switch and signalling arrangement for immediate detection of membrane damage |
04/24/1991 | EP0424120A2 Borehole pressure and temperature measurement system |
04/24/1991 | EP0423462A1 Apparatus to monitor the airtightness of a vehicle tyre |
04/16/1991 | US5007365 Air-leak indicator for vehicle tire |
04/11/1991 | DE3932761A1 Pressure measurer contg. membrane and displacement sensor - arranged to enable mountable in different positions, e.g. vertical or horizontal, without affecting results |
04/10/1991 | EP0421394A2 Differential pressure measuring device |
04/10/1991 | EP0420949A1 Skid-controlled brake installation, in particular one for motor vehicles. |
04/09/1991 | US5006833 Sewer line restriction alarm placed in clean out plug |
04/04/1991 | WO1991004475A1 Pressure transmitter with flame isolating plug |
04/03/1991 | EP0420569A2 Glass tube/stainless steel header interface for pressure sensor |
04/03/1991 | CN1050441A Pressure transmitter with flame isolating plug |
04/02/1991 | CA1282260C Composite fastening device |
03/27/1991 | CN1012217B Semiconductive force transferring apparatus |
03/26/1991 | US5001929 Electronic altimeter |
03/26/1991 | CA1282012C Apparatus for use with fluid flow transfer device |
03/21/1991 | CA2059644A1 Pressure transmitter with flame isolating plug |
03/20/1991 | EP0417156A1 A pressure gauge. |
03/19/1991 | US5000048 Circuit arrangement for temperature compensation of capacitive pressure and differential pressure sensors |
03/12/1991 | US4998438 Digital air pressure gauge and inflation device |
03/12/1991 | CA1281209C Drain manifold for air data sensor |
03/07/1991 | WO1991002944A1 Electronic altimeter |
03/06/1991 | CN2072682U Pressure gauge parity checker joint device |
03/06/1991 | CN1049718A Strain test element and pressure transducer using it |
02/27/1991 | EP0414145A2 Fundamental gauge casing for high-purity gases |
02/26/1991 | US4995265 Degradation and contamination compensated tuning fork quartz monometer, and method to compensate for tuning quartz degradation and contamination |
02/26/1991 | US4995263 Tuning fork quartz manometer |
02/19/1991 | US4995014 Low frequency hydrophone and depth sensor assembly |
02/19/1991 | US4993754 Liquid level coplanar transmitter adapter |