Patents
Patents for G01L 7 - Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements (6,106)
02/1989
02/21/1989US4805448 Downhole pressure and/or temperature gauges
02/15/1989CN2032712U Pressure induction device
02/08/1989CN1030979A Liquid gauge
02/07/1989US4802952 Method for manufacturing semiconductor absolute pressure sensor units
02/01/1989EP0301507A2 Underpressure collection container
01/1989
01/31/1989US4800758 Pressure transducer with stress isolation for hard mounting
01/26/1989WO1988009490A3 Floating diaphragm apparatus
01/17/1989US4798089 Isolator apparatus
01/11/1989CN1030283A Barometer for pressure-relief valve
01/04/1989EP0298012A1 Temperature and pressure probe
01/03/1989US4794949 Valve with residual pressure indicator for portable oxygen inhalant cylinder
01/03/1989US4794796 Balancing-vessel transducer with inter-communicating chambers for the conversion of a pneumatic signal, low strength notwithstanding, into a quantifiable output of whatever nature
12/1988
12/21/1988CN88203958U 光电气压传感器 Optical Pressure Sensors
12/01/1988WO1988009490A2 Floating diaphragm apparatus
11/1988
11/30/1988CN88212439U Liquid measurer for liquefied gas
11/29/1988US4787250 Method of producing a uniform fluid-tight seal between a thin, flexible member and a support and an apparatus utilizing the same
11/23/1988EP0291727A2 Pressure sensor assembly for disposable pump cassette
11/22/1988US4785670 Compact pressure gauge
11/17/1988EP0291175A2 Temperature-compensated manometer
11/02/1988CN88210181U Anticorrosive pressure sensor
11/02/1988CN87103001A Clamp-on type differential pipe wall pressure measurement method and equipment thereof
11/02/1988CN87102783A Antivibration device for bourdon tube pressure gauge
10/1988
10/25/1988US4779464 For measuring pressure
10/18/1988US4777828 Removable, in-place refrigerant pressure check gauge
10/11/1988US4776218 Amorphous metal elastic diaphragm divider between fluids
10/05/1988CN87205500U 压差传感器 Differential pressure sensor
10/04/1988US4776019 Diaphragm for use in condenser microphone type detector
09/1988
09/28/1988EP0283524A1 Method of and device for measuring pressures in tubular bodies
09/27/1988US4773271 In combination with a fluid pressure device
09/27/1988US4773270 Pressure gage
09/22/1988WO1988007185A1 Isolator apparatus
09/21/1988CN88201213U 弹性式压力表 Elastic pressure gauge
09/21/1988CN88101231A Isolator apparatus
09/21/1988CN87216425U Automatic mercury barometer
09/21/1988CN87210778U Folded sensor for pressure of liquid level
09/13/1988US4771261 Method for achieving the electrical and mechanical interconnection of two bodies, particularly the diaphragm and the support of a thick-film pressure sensor, and devices made by this method
09/13/1988US4770044 Air conditioner test gauge with pressure zone markings
09/07/1988EP0280905A2 A method for manufacturing semiconductor absolute pressure sensor units
09/06/1988US4768382 Method of producing a uniform fluid-tight seal between a thin, flexible member and a support and an apparatus utilizing the same
08/1988
08/31/1988EP0280572A1 Tension isometer
08/24/1988CN87215818U Liquefied gas pressure meter
08/23/1988US4765751 Of a gaseous stream flowing in a downstream direction
08/17/1988EP0278341A2 Pressure sensor and mounting method therefor
08/16/1988US4763527 Temperature-resistant isolation fluid pressure detector
08/03/1988CN87214675U Liquid level pressure sensor with temp. compensation
08/02/1988CA1239777A1 High temperature pressure sensing instrument and method
07/1988
07/19/1988US4758695 Automotive transmission control system and improved longevity therefor
07/13/1988CN87207839U Combined pressure and pressure-difference transmitter
07/12/1988US4757517 System for transmitting voice signal
07/06/1988EP0273358A2 Differential pressure limit value indicator
07/06/1988CN87106322A Flangeless transmitter coupling to flange adapter union
06/1988
06/14/1988US4751400 Electrohydraulic switching device
06/01/1988EP0269128A2 Method for accurate suction/removal detection and suction/transfer apparatus for practicing the same
05/1988
05/24/1988US4745810 Flangeless transmitter coupling to a flange adapter union
05/24/1988CA1236990A1 Device for harnessing and using a pressure, to wit of a fluid
05/10/1988US4743716 Pressure sensor
05/10/1988US4742714 Compact pressure gauge
04/1988
04/27/1988EP0265168A2 Valve with residual pressure indicator for portable oxygen inhalant cylinder
04/27/1988CN87207455U I-type diaphragm pressure actuator
04/27/1988CN87204247U Relief valve capable of showing the remains of gas
04/20/1988CN85104857B Constant-temp. compensation micro-pressure gauge
04/19/1988US4738141 Pressure sensor
04/19/1988US4738140 Apparatus for performing pressure, normal force and bending measurements on pipelines
04/06/1988CN87206876U Shock-resisting pressure controlling apparatus
03/1988
03/30/1988CN87208989U Diaphragm-type pressure sensing device for movable medium at high temperature and pressure
03/29/1988US4733564 Pressure gauge with a capsule closed by a resilient membrane
03/24/1988WO1988002107A1 Flangeless transmitter coupling to a flange adapter union
03/15/1988US4730496 Capacitance pressure sensor
03/09/1988EP0259146A2 Pressure responsive switches having improved longevity
03/09/1988CN87207181U Remote indicator of a capactive manometer
03/08/1988US4729378 Apparatus for ascertaining the pressure in a plenum chamber
03/08/1988US4729339 For use in a fluid system
03/02/1988EP0257054A1 Overload protection of pneumatic pressure sensors with a single diaphragm
03/02/1988CN87206759U Measuring compression with stabilizing pressure conversion valve
03/01/1988US4727887 Hypodermic manometer
02/1988
02/23/1988US4726233 Electric pressure pick-off
02/23/1988US4726217 Process for the production of a tube spring manometer measurement system
02/18/1988EP0158664A4 Apparatus for correcting barometric pressure for wind velocity and direction.
02/18/1988DE3627365A1 Capsule element manometer having an additional capsule for a two-stage display
02/16/1988CA1232773A1 Adhesive joint for diaphragm to sensor connection in pressure transducers
02/02/1988US4722348 Catheter tip pressure transducer
01/1988
01/27/1988EP0254659A1 Tip for a probe and method and apparatus for handling this probe in a melt furnace
01/27/1988EP0094429B1 Apparatus for conveying fluid pressures to a differential pressure transducer
01/20/1988CN87104354A Capacitance pressure sensor
01/19/1988US4719799 Pressure sensor
01/14/1988DE3622485A1 Pressure-measuring device
01/12/1988US4718273 Combination alpha, static and total pressure probe
01/12/1988CA1231255A1 Coil system for inductive measurement of the velocity of movement of a magnetized body
12/1987
12/30/1987WO1987007948A1 Pressure transducer with stress isolation for hard mounting
12/30/1987WO1987007947A1 Capacitance pressure sensor
12/22/1987CA1230504A1 Method and apparatus for correcting barometric pressure for wind velocity and direction
12/08/1987US4711127 Method and apparatus for measuring the pressure of a fluid
12/02/1987EP0247543A1 Liquid pressure transducer dome
12/02/1987EP0247293A2 Pressure transducer provided with a Bourdon tube
11/1987
11/19/1987EP0245911A2 Pressure transmitter
11/18/1987CN87104155A Diaphragm pressure sensor for flowing medium with high-temp. and high-pressure
10/1987
10/28/1987EP0242353A1 Electric pressure detector provided with a leak indicator.
10/22/1987DE3713105A1 Reed-type pressure transmitter and method for producing a reed-type pressure transmitter
10/21/1987CN87201139U Manometer with multi-spring tube
10/14/1987EP0241431A2 Balancing-vessel transducer with intercommunicating chambers for the conversion of a pneumatic signal into a quantifiable output
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