Patents
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)
02/1993
02/24/1993EP0528657A2 Improved fiber optic pressure sensor systems
02/23/1993US5187984 Hydrostatic pressure transducer
02/23/1993US5187974 Vehicular pressure-testing apparatus
02/22/1993CA2076449A1 Buffer arrangement with back flushing of a quartz pressure transducer in a formation testing device
02/22/1993CA2068033A1 Fiberoptic pressure sensor systems
02/18/1993DE4225879A1 Measuring head for monitoring pressure and temp. inside die casting mould - comprises thermocouple integrated in piezoelectric force monitoring device
02/18/1993DE4127087A1 Flow measurement device for fluid container or pipeline - is fitted into wall of fluid passage traversed by manually-operated rod with terminal sealing ring
02/11/1993DE4126377A1 Pressure reduction indicator esp. for valve caps of vehicle tyres - has housing divided by membrane providing desired and actual pressure chambers with signal mask visible through window if pressure drops
02/10/1993EP0526967A1 Indicators
02/10/1993EP0526525A1 Spray gun comprising miniature electronic pressure gauge.
02/09/1993US5185709 Apparatus and method for measuring pressure changes within pressure vessels
02/09/1993US5184858 Sucker for plate glass
02/09/1993US5184514 Corrosion resistant isolator
02/04/1993DE4125467A1 Simultaneous measurement sensor for acceleration and pressure difference - comprises chamber divided into two pressure chambers by membrane carrying seismic weight and acceleration detection system
01/1993
01/27/1993EP0524856A1 Procedure for correcting the influence of the temperature on the measurements of a pressure transducer
01/26/1993US5181516 Internal pressure measuring device using catheter with multiple lumens
01/26/1993US5181422 Diaphragm type fluid pressure gauge
01/21/1993WO1993001480A1 Corrosion resistant isolator
01/20/1993CN1068192A Shock durable device of pressure
01/19/1993US5179856 Pressure gauge
01/13/1993EP0522567A1 Pressure converter
01/13/1993EP0517734A4 Multiprobes with thermal diffusion flow monitor
01/07/1993EP0521694A1 Relief valve testing apparatus
01/07/1993EP0521246A2 Pressure measuring apparatus
12/1992
12/16/1992EP0517734A1 Multiprobes with thermal diffusion flow monitor
12/15/1992US5172112 Subsea well pressure monitor
12/15/1992CA1311365C Pressure transducer with stress isolation for hard mounting
12/10/1992DE4218474A1 Fluid pressure test appts. with several pressure sensors - has sensors for different pressure ranges connected via overpressure protection valves to processing circuitry
12/01/1992US5168192 Pressure sensor for use in internal combustion engine
11/1992
11/24/1992CA1310515C Differential pressure gauge transmitter
11/19/1992EP0513296A1 Device for the assembly or disassembly of probes in process pipes, tanks, etc.
11/17/1992US5163327 Pressure sensing elements
11/17/1992US5163326 Line pressure compensator for a pressure transducer
11/17/1992US5163321 Borehole pressure and temperature measurement system
11/14/1992CA2068503A1 Indicators
11/12/1992DE4115420A1 Semiconductor pressure sensor with enhanced overload resistance - is protected by overlap of edge of diaphragm giving relief of tension under excessively high pressure
11/11/1992CN1066124A Multi-function differential pressure sensor
11/10/1992US5161415 Pressure sensor
11/04/1992EP0323963B1 Flangeless transmitter coupling to a flange adapter union
10/1992
10/29/1992DE4113563A1 Pressure switch, esp. for pressure container for filling vehicle safety air bag - has temp. compensation circuit for variations of pressure in container caused by temp. variations
10/27/1992US5159525 Pressure sensor
10/22/1992DE4112309A1 Sensor for pressure pulses e.g. in IC engine combustion chamber - compensates for dependent variations in transfer liq. chamber vol. by varying chamber capacity
10/15/1992WO1992017758A1 Device for protecting pressure detectors from aggressive measuring media
10/15/1992WO1992017757A1 Differential pressure device
10/14/1992EP0508517A2 Compensated differential pressure transducer
10/14/1992CN1065334A Modular pressure instrument
10/13/1992CA1308569C2 Pressure sensing apparatus
10/08/1992DE4111118A1 Micro-mechanical capacitative pressure transducer - has diaphragm spring with frame coupled to movable electrode plate ia diaphragm
10/07/1992CN2118302U Number indicating device for high stability structure of precision pressure meter
10/07/1992CN2118301U Pressure gauge apparatus with improved electric joint
10/07/1992CN1065140A Pressure-measuring probe
10/06/1992US5152672 Rotary pump with pressure switch
10/06/1992US5152318 Screw-in throttle valve and pressure gauge assembly
10/01/1992DE4132391C1 Pressure difference measurement transducer - has two electrically conducting diaphragms separated by insulating plate and has strain gauge connected to evaluation circuitry
09/1992
09/30/1992EP0506491A2 An overpressure-protected differential pressure sensor and method of making the same
09/17/1992WO1992015850A1 Line pressure compensator for a pressure transducer
09/17/1992CA2101440A1 Line pressure compensator for a pressure transducer
09/16/1992EP0493397A4 Pressure transmitter with flame isolating plug
09/15/1992US5146788 Apparatus and method for a temperature compensation of a catheter tip pressure transducer
09/15/1992US5146787 Pressure microsensor
09/08/1992US5144847 Pressure or force measuring device
09/08/1992US5144842 Pressure transducer protection apparatus
09/03/1992WO1992015002A1 Apparatus for the control of pressure difference
09/02/1992EP0501186A2 Bourdon pressure gauge with overload protection
08/1992
08/26/1992EP0500064A2 Method of processing vacuum pressure information in a vacuum unit to provide a failure precognition signal
08/26/1992CN2114154U Shock isolator for pressure gauge
08/26/1992CN2114153U Portable dynameter
08/25/1992CA1306616C Flangeless transmitter coupling to a flange adapter union
08/20/1992DE4141922A1 Temperature compensated pressure switch - uses gas filled bellows to change volume as temperature changes to adjust position of diaphragm relative to actuator
08/20/1992DE4104826A1 Electronic pressure switch, e.g. for processing machine - has hydraulic medium pressure detector, evaluation logic, and relay actuating two-position switch with adjustable switching point
08/20/1992DE4104811A1 Differential pressure measurement cell with two membranes - has flexural element with fluid connection to transfer vol. region via gap designed for ignition and combustion safety
08/18/1992US5138886 Electronic manometer
08/18/1992US5138885 Piezoelectric-type pressure sensor
08/12/1992CN1063554A Micro-pressure amplifier for force sensor of diffused silicon
08/12/1992CN1063553A Aneroid range expandor
08/12/1992CN1063552A Range expandor for force sensor of diffused silicon
08/06/1992DE4102923A1 Portable barometer with microprocessor and weather forecast display - incorporates memory for control program and weather data necessary for prepn. of forecast from pressure measurements
08/05/1992EP0356482A4 A sensor and transducer apparatus
08/04/1992US5134885 Circuit arrangement for measuring a mechanical deformation, in particular under the influence of a pressure
07/1992
07/28/1992US5133358 Apparatus for rezeroing an in vivo pressure sensor and method for rezeroing
07/22/1992CN2110869U Pressure meter having both automatic and manual pressure reducer
07/21/1992US5131275 Gas pressure gage
07/21/1992CA1305405C Pressure communicating fluid isolating interface
07/15/1992EP0494338A1 Pressure sensing element
07/15/1992CN2110219U Pressure sensor with memory function
07/11/1992CA2049192A1 Pressure sensing elements and method of making same
07/08/1992EP0493898A1 System for detecting changes in temperature and pressure
07/08/1992EP0493397A1 Pressure transmitter with flame isolating plug.
07/07/1992US5127265 Flame resistant pitot probe cover
07/05/1992CA2055790A1 System for accurately detecting changes in temperature and pressure
07/01/1992CN2108920U Sleeve press frost protection gauge stand for water well
07/01/1992CN2108919U Frost protection pressure gauge
07/01/1992CN2108918U Gas pressure measuring device by rubber ring pressure and foam sealing hole for coal mine
07/01/1992CN2108917U Single hydraulic prop property measurer
06/1992
06/30/1992US5125275 Pressure sensor package
06/25/1992WO1992010763A1 Temperature compensation of transducers
06/25/1992WO1992010731A1 Pressure transmitter with stress isolation depression
06/24/1992CN2108293U Capacitance-resistance pressure gauge saver
06/24/1992CN1062208A Pressure transmitter with stress isolation depression
06/23/1992US5124516 Pressure driving cut-off type Manometer