| Patents for F15B 5 - Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or vice versa; Varying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities (494) |
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| 09/23/1986 | US4612950 Pressure measuring and regulating device |
| 08/13/1986 | EP0191011A1 Electropneumatic signal converter |
| 08/13/1986 | EP0190277A1 Electro-pneumatic transducers |
| 06/17/1986 | US4595029 Electro-pneumatic converter |
| 04/22/1986 | US4583567 Valves |
| 04/15/1986 | US4583029 Variable speed resistive network for a pneumatic servo assembly of an electro-pneumatic converter |
| 04/09/1986 | EP0177150A2 Electropneumatic converters |
| 04/02/1986 | EP0175894A2 Non-volatile semiconductor storage cell |
| 04/01/1986 | US4579137 Electro-pneumatic current to pressure transducer and pneumatic and electronic control circuits therefor |
| 04/01/1986 | CA1202542A1 Valves |
| 02/27/1986 | WO1986001264A1 Electro-pneumatic transducers |
| 01/28/1986 | US4567394 Electro-pneumatic signal converter |
| 01/15/1986 | EP0168163A1 Electro-pneumatic converter |
| 01/07/1986 | CA1198963A1 Valves |
| 12/27/1985 | EP0165282A1 pneumatic sensor for the control of pneumatic cycles. |
| 11/26/1985 | US4554938 Device for converting electric signals into pneumatic signals |
| 10/01/1985 | US4543977 Valves |
| 09/18/1985 | EP0154914A2 Pressure measuring and controlling device |
| 08/13/1985 | US4534376 Electric signal to pressure signal transducer |
| 08/06/1985 | US4532951 Transducer utilizing electrical and pneumatic signals |
| 07/10/1985 | EP0147552A1 Electro-pneumatic converter |
| 07/09/1985 | CA1190103A1 Pneumatic controller |
| 06/20/1985 | WO1985002659A1 Improvement to pneumatic sensors for the control of pneumatic cycles |
| 06/11/1985 | US4522220 Diaphragm module for pneumatic control systems |
| 04/30/1985 | US4513826 Hydraulic control arrangement for actuating lifting mechanism of an agricultural machine |
| 04/23/1985 | US4512357 Pressure transducer |
| 03/14/1985 | WO1985001133A1 Electric signal to pressure signal transducer |
| 01/08/1985 | US4492246 Solid state current-to-pressure and current-to-motion transducer |
| 11/27/1984 | CA1178538A1 Turboflapper nozzle systems |
| 10/16/1984 | CA1176349A1 Electro-pneumatic signal converter |
| 10/03/1984 | EP0120594A2 Electro-pneumatic transducer assemblies |
| 08/22/1984 | EP0116166A1 Force balanced two-way control valve |
| 07/04/1984 | EP0112625A1 Pressure regulating and balance valves |
| 07/04/1984 | EP0112624A1 Balance valves |
| 06/12/1984 | US4453559 Pneumatic controller |
| 04/17/1984 | US4442854 Electro-pneumatic signal converter |
| 03/14/1984 | EP0102528A2 Voltage to pressure transducer |
| 03/06/1984 | CA1163168A1 Electro-hydraulic control structure |
| 01/10/1984 | US4425509 Turboflapper nozzle systems |
| 12/27/1983 | CA1159324A1 Fluid signal transmitting apparatus |
| 12/27/1983 | CA1159292A1 Slice lip adjustment device |
| 11/29/1983 | US4417599 Vacuum signal integrator |
| 09/21/1983 | EP0088915A1 Hydraulic control device for actuating the lifting device of an agricultural vehicle |
| 09/14/1983 | EP0088371A2 Device for transforming an electric signal into a pneumatic pressure signal |
| 08/17/1983 | EP0085945A1 Membrane module for a pneumatic control system |
| 07/27/1983 | EP0084214A2 Electromagnetic-pneumatic current to pressure transducer |
| 04/27/1983 | EP0077765A1 Pneumatic controller |
| 03/16/1983 | EP0074187A1 Fluid control systems |
| 02/22/1983 | US4374487 Pilot with cantilevered spring |
| 02/16/1983 | EP0072133A2 Vacuum signal regulator |
| 02/15/1983 | CA1141186A1 Leverless pressure transducer |
| 11/10/1982 | EP0064357A1 Relay valves with output pressure predominance |
| 10/05/1982 | US4352367 Electro-hydraulic control structure |
| 07/28/1982 | EP0056450A2 Electro-pneumatic transducer |
| 05/18/1982 | US4329910 Transducer assembly providing position output proportional to electrical input signal |
| 02/24/1982 | EP0046431A1 Electrohydraulic servovalve |
| 02/09/1982 | US4314578 Fluid signal transmitting apparatus |
| 11/17/1981 | US4300352 Hydraulic pressure integrator |
| 09/15/1981 | CA1109099A1 Self-relieving fluid coupling |
| 06/23/1981 | CA1103478A1 Method and apparatus for overrange protection of the transducer in a differential pressure transmitter |
| 06/16/1981 | US4273150 Leverless pressure transducer |
| 06/09/1981 | US4271859 Temperature sensor |
| 03/11/1981 | EP0024409A1 A signal converting unit intended to be incorporated in a pneumatic control system |
| 03/10/1981 | US4254790 Pressure control unit for the control of the pressure of at least one gas depending on the pressure of another gas |
| 03/03/1981 | US4253603 Temperature responsive control apparatus |
| 02/24/1981 | US4252651 Dialysis machine |
| 09/04/1980 | WO1980001826A1 A signal converting unit intended to be incorporated in a pneumatic control system |
| 08/26/1980 | US4219042 Pneumatic relay |
| 08/12/1980 | US4216795 Position feedback attachment |
| 07/22/1980 | US4213478 Transducer assembly providing pneumatic output proportional to electrical input signal |
| 06/24/1980 | CA1080080A1 Servo valve |
| 06/17/1980 | US4207914 Fluid relay apparatus |
| 05/06/1980 | US4201245 Dwell relay |
| 04/22/1980 | US4199130 Valve arrangement |
| 01/29/1980 | CA1070578A1 Electronic to pneumatic actuator or transducer |
| 12/18/1979 | CA1068314A1 Actuating device |
| 11/13/1979 | CA1066088A1 Pneumatic detector for chromatogaphic analyzer |
| 10/30/1979 | US4172464 Vibration resistant flapper and nozzle |
| 01/23/1979 | US4135407 Method and apparatus for overrange protection of the transducer in a differential pressure transmitter |
| 10/03/1978 | US4118612 Actuating device for an invalid of plural electrical control circuits |
| 08/15/1978 | US4106510 Servo valve |
| 06/20/1978 | US4095455 Pneumatic detector for chromatographic analyzer |
| 11/22/1977 | US4059130 Proximity sensor with zero adjustment |
| 08/09/1977 | US4040290 Vibration amplitude transducer |
| 07/05/1977 | US4033171 Pneumatic detector for chromatographic analyzer |
| 06/07/1977 | US4027481 Fluid pressure responsive transducer apparatus |
| 02/08/1977 | US4006721 Control apparatus for exhaust gas recirculation system |
| 10/19/1976 | US3986437 Double-acting rotary hydraulic jack |
| 09/28/1976 | US3982554 Electromagnetic flapper valve |
| 02/24/1976 | US3939758 Pressure sensor |
| 02/17/1976 | US3939231 Carburettors and associated components |
| 01/20/1976 | US3933080 Pneumatic actuators |
| 01/13/1976 | US3931832 Timing device for pneumatic control systems |
| 01/13/1976 | US3931738 Device for monitoring fluid pressure in mechanisms such as hydrostatic fluid bearings |