| 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) |
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| 01/22/1980 | US4184376 Pressure sensitive indicating device |
| 01/22/1980 | US4184375 Pressure instrument compensating bladder |
| 01/10/1980 | WO1980000037A1 Pressure transducer |
| 01/08/1980 | CA1069336A1 Prepackaged guard device sub-assembly for pressure responsive instruments |
| 12/25/1979 | CA1068514A Intracranial pressure monitoring catheter |
| 12/13/1979 | WO1979001099A1 Device for determining the pore water pressure in a soil |
| 12/04/1979 | US4176558 Pressure gauge casing-to-socket construction |
| 11/27/1979 | US4175444 Gauge assembly |
| 11/27/1979 | CA1066909A1 Variable inductance transducer |
| 11/20/1979 | US4174637 Pressure monitoring system |
| 11/06/1979 | US4173150 Sensor with adjustable pressure responsive detection and control |
| 10/30/1979 | US4172971 Magnetic pressure indicator with thermal lockout |
| 10/09/1979 | CA1063825A2 Differential pressure gauge |
| 10/09/1979 | CA1063824A1 Differential pressure gauge |
| 10/02/1979 | US4169386 Agricultural water pressure gauge |
| 09/25/1979 | US4168631 Amplifier mounting construction for a pressure gauge |
| 09/25/1979 | US4168621 Plumbing test gauge |
| 09/11/1979 | CA1062093A1 Differential pressure indicating device |
| 09/04/1979 | US4166430 Fluid pressure indicator |
| 09/04/1979 | US4166429 Fluid pressure indicator |
| 09/04/1979 | US4166397 Air pressure gauge |
| 09/04/1979 | US4166396 Pressure indicating device |
| 09/04/1979 | US4166382 Auto economy gauge |
| 08/21/1979 | CA1060675A1 Multiple purpose instrument housing |
| 08/14/1979 | US4164196 Pressure gauge or pressure indicator having axially-operating internal members with visual indication |
| 08/07/1979 | CA1059799A1 Corrosion resistant bourdon tube |
| 08/07/1979 | CA1059784A1 Vacuum cleaner dust container filling indicator device |
| 07/24/1979 | US4161888 Pressure gauge construction |
| 07/24/1979 | US4161886 Pressure transducer and method |
| 07/17/1979 | US4161123 Pressure gauge construction |
| 06/26/1979 | CA1057424A1 Non-invasive nuclear device for communicating pressure inside a body to the exterior thereof |
| 06/19/1979 | US4158311 Pressure sensing device |
| 06/19/1979 | CA1056652A1 Differential fluid pressures indicator |
| 06/05/1979 | US4157043 Maximum pressure manometer |
| 05/22/1979 | US4155261 Arrangement for registering pressure fluctuations in a pressure system |
| 05/22/1979 | CA1054827A1 Temperature compensation for liquid filled pressure gauge |
| 05/15/1979 | US4154116 Safety manometer |
| 05/15/1979 | US4154115 Method and device for continuous measuring of gas pressures |
| 05/15/1979 | CA1054703A1 Fuel rod pressurization |
| 05/08/1979 | US4153003 Filter condition indicator |
| 04/24/1979 | CA1053084A1 Differential pressure indicator including remote sensing means |
| 04/17/1979 | CA1052891A1 Circuitry for encoding altimeter |
| 04/10/1979 | US4148123 Method and device for producing a spring manometer measuring system as well as a tube spring manometer |
| 04/10/1979 | CA1052123A1 Pressure gauge with improved zero adjustment |
| 04/03/1979 | US4147161 Intracranial pressure monitoring method and system |
| 03/21/1979 | EP0001188A1 Pressure transmitting device and a control or regulating system using it |
| 03/21/1979 | EP0001120A2 Fluid pressure indicator |
| 03/13/1979 | CA1050297A1 Sphygmomanometer |
| 03/06/1979 | CA1049807A1 Spring-loaded differential pressure gage |
| 02/21/1979 | EP0000818A1 Tyre pressure monitoring system |
| 02/06/1979 | US4137781 Device for measuring the static pressure of a moving fluid |
| 01/30/1979 | US4136603 Corrosion resistant metals that are fusion welded |
| 01/30/1979 | US4136553 Method for verifying the pressure in a nuclear reactor fuel rod |
| 01/30/1979 | CA1047273A1 Sphygmomanometer |
| 01/09/1979 | US4133213 Static air pressure diffuser |
| 12/26/1978 | US4131088 Multiple function pressure sensor |
| 12/05/1978 | US4128014 Fine-adjusting arrangement for a sphygmomanometer |
| 12/05/1978 | US4128013 Pressure transducer |
| 11/14/1978 | US4124931 Method of assemblying a pressure gauge |
| 11/14/1978 | CA1042226A1 Gauge for remotely indicating the pressure of a subterranean formation |
| 10/31/1978 | US4122863 Differential pressure overflow valve |
| 10/03/1978 | CA1039535A1 Terrain closure warning system with climb inhibit and altitude gain measurement |
| 10/03/1978 | CA1039534A1 Pickup for measuring the maximum pressure in internal combustion engine cylinder |
| 10/03/1978 | CA1039529A1 Pressure sensors utilizing ferromagnetic fluids |
| 09/26/1978 | US4116157 Rotatable visual indicator for safety systems |
| 09/19/1978 | US4114458 Fluid pressure transducer and pressure measuring instrument including the transducer |
| 09/12/1978 | US4112960 Variable-gradient spring sub-assembly |
| 09/12/1978 | CA1038189A2 Mechanical span and zero adjustment apparatus for pressure transducers |
| 09/12/1978 | CA1038188A1 Pressure gage and venting means for use with machinery |
| 09/05/1978 | US4111057 Dual-indicator manometer for an electromedical device |
| 09/05/1978 | US4111056 Control devices |
| 09/05/1978 | CA1037734A1 Temperature compensated liquid level transmitter |
| 08/29/1978 | US4109537 Movement construction for a pressure responsive instrument |
| 08/29/1978 | US4109535 Diaphragm seal for pressure sensing instrument |
| 08/29/1978 | CA1037283A1 Differential pressure indicators |
| 08/22/1978 | US4108007 Manometers with measurement range multiplication |
| 08/22/1978 | US4107996 Pressure gauge |
| 08/15/1978 | US4106342 Pressure measuring apparatus |
| 08/08/1978 | US4104925 Pressure or pressure difference measuring apparatus |
| 08/01/1978 | US4103555 Pressure sensor for high-temperature liquids |
| 07/25/1978 | US4102210 Pressure transducers |
| 07/18/1978 | US4101747 Differential pressure operated switch |
| 07/18/1978 | US4100878 Vacuum cleaner dust container filling indicator device |
| 07/18/1978 | US4100812 Dry pressure gauge with dampened needle movement |
| 06/27/1978 | US4096760 Pressure gauge |
| 06/27/1978 | US4096759 Pressure gauge for indicating small pressure changes |
| 06/20/1978 | US4095476 Single scale U-type manometer |
| 06/20/1978 | CA1033191A1 Pressure measuring apparatus |
| 05/30/1978 | US4091992 Pneumatic pressure transmitter responsive to temperature and humidity |
| 05/23/1978 | US4090397 Pneumatic transducer for underground burial |
| 04/11/1978 | US4083251 Pressure gauge |
| 03/21/1978 | US4079691 Pressure indicators |
| 03/07/1978 | US4077261 Instrument protective apparatus |
| 03/07/1978 | US4077257 Depth Gauge |
| 02/14/1978 | US4073191 Differential pressure transducer |
| 02/07/1978 | US4072058 Differential pressure transmitter with pressure sensor protection |
| 02/07/1978 | US4072056 Fluid containment structure for transducer system |
| 12/27/1977 | US4064759 Pressure measuring device |
| 12/20/1977 | US4063459 Variable-span pressure gauge |
| 12/06/1977 | US4061035 Diaphragm arrangement for pressure transducers |