| Patents for F16K 17 - Safety valves; Equalising valves (21,027) |
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| 04/28/1981 | CA1100014A1 Safety valve |
| 04/28/1981 | CA1100013A1 Method of controlling bypass flow and article employing same |
| 04/22/1981 | EP0027227A1 Relief valve for a hydraulic installation |
| 04/21/1981 | US4262695 Flow rate control valve |
| 04/15/1981 | EP0027048A1 Ball valve |
| 04/14/1981 | US4261387 Pipeline surge relief system |
| 04/14/1981 | US4261379 Vibration/temperature sensitive valve operating apparatus |
| 04/14/1981 | CA1099188A1 Flow line monitor pilot valve assembly |
| 04/14/1981 | CA1099180A1 Pressure-relief valve device |
| 04/08/1981 | EP0026586A1 Flow control valve |
| 04/08/1981 | EP0026575A1 Pressure relief apparatus including valve and pressure indicator |
| 04/07/1981 | US4259984 Valve construction |
| 03/31/1981 | US4258741 Adjustable pressure sensing piston mechanism |
| 03/31/1981 | US4258738 Crashworthy fuel system |
| 03/31/1981 | CA1098593A1 Microwave appliance valve for beverage-making device |
| 03/31/1981 | CA1098413A1 Combination pressure-vacuum relief and antipollution valve |
| 03/24/1981 | US4257528 Safety pressure relief apparatus |
| 03/24/1981 | US4257453 Peep valve with improved vibration damping |
| 03/24/1981 | US4257452 Biased open direct response valve with damping means |
| 03/24/1981 | US4257449 Hose coupling for a faucet |
| 03/24/1981 | US4257448 Flow cut-off device for insertion in a gas duct |
| 03/24/1981 | US4257445 Shielded vent port |
| 03/17/1981 | US4256141 Relay valve for fluid actuators |
| 03/17/1981 | US4255967 Method and apparatus for testing the setting of a valve |
| 03/17/1981 | CA1097599A1 Thermostatic valve |
| 03/10/1981 | US4254791 Flow rate regulator |
| 03/03/1981 | US4253489 Magnetic latch for pressure relief valve |
| 03/03/1981 | CA1096746A1 Spool valve and pilot interface assembly |
| 02/24/1981 | US4252146 Bypass valve assembly and system |
| 02/24/1981 | US4252145 Manually reset control valve for a fluid actuator |
| 02/24/1981 | US4252141 Flow control valve |
| 02/24/1981 | US4252140 Valve gravity-controlled in dependence upon the flight attitude of an aircraft |
| 02/17/1981 | US4251193 Flow control valve |
| 02/17/1981 | US4250915 Automatic controlling valve for maintaining the rate of fluid flow at a constant value |
| 02/10/1981 | US4249566 Fluid pressure-operated valves |
| 02/10/1981 | US4249556 Isolating and backflow preventing valve assembly |
| 02/10/1981 | US4249555 Fire safe disc valve |
| 02/03/1981 | US4248265 Adjustable relief valve |
| 02/03/1981 | US4248257 Flood valve |
| 01/28/1981 | EP0022941A1 Safety valve for blower |
| 01/28/1981 | EP0020352A4 Pilot operated relief valve. |
| 01/27/1981 | US4247078 Overrange valve or the like |
| 01/27/1981 | US4246924 Valve arrangement |
| 01/27/1981 | CA1094521A1 Sensing and setting device for a regulator arrangement comprising a plurality of thermostatically actuated valves |
| 01/21/1981 | EP0022553A1 Spring-loaded relief valve |
| 01/20/1981 | US4245814 Fluid shut-off device |
| 01/20/1981 | US4245749 Safety device |
| 01/20/1981 | US4245667 Safety valve |
| 01/20/1981 | US4245663 Valve with condensate recovery device |
| 01/20/1981 | US4245662 Heat responsive back seat arrangement for valve operator with fusible lock-out cap |
| 01/20/1981 | US4245661 Heat responsive back seat arrangement for valve operator |
| 01/20/1981 | US4245660 Manual override for short stroke valve |
| 01/13/1981 | US4244522 Liquid storage and distribution apparatus for agricultural implements |
| 01/13/1981 | US4244388 Combination valve |
| 01/13/1981 | US4244386 Valve having pyrotechnic separation device |
| 01/13/1981 | CA1093425A1 Counterbalance valve |
| 01/08/1981 | EP0016010A4 Fluid flow regulating valve and system. |
| 01/07/1981 | EP0022014A1 Safety relief valve with automatic venting |
| 01/07/1981 | EP0021895A1 Security valve to be opened by shearing the end of a closed conduit |
| 01/07/1981 | EP0021832A1 Vacuum breaker and pressure relief valve for storage tanks |
| 01/07/1981 | EP0020892A1 Safety circuit |
| 01/07/1981 | EP0020558A1 Method and device for automatic irrigation. |
| 01/07/1981 | EP0020352A1 Pilot operated relief valve. |
| 01/06/1981 | US4243070 Variable back pressure valve |
| 12/30/1980 | US4241756 Exhalation valve assembly |
| 12/30/1980 | US4241748 Butterfly smoke/fire damper |
| 12/30/1980 | US4241747 Safety valve having a rupturable housing |
| 12/30/1980 | CA1092483A1 Valve actuator and pilot assembly therefor |
| 12/30/1980 | CA1092480A1 Resettable pressure responsive valve |
| 12/23/1980 | US4240463 Safety valve actuator and pilot system |
| 12/23/1980 | US4240458 Excess pressure shutoff valve |
| 12/23/1980 | US4240455 Heat responsive back seat arrangement for valve operator with manual override |
| 12/16/1980 | US4239179 Quantity control valve for controlling the quantity of a pressure medium |
| 12/16/1980 | US4239153 Multiple temperature actuated fluid-electric control device |
| 12/16/1980 | CA1091635A1 Electric vacuum valve |
| 12/10/1980 | EP0019854A1 Device for maintaining a preset gauging condition in pressure reducers, particularly for liquid gas |
| 12/09/1980 | US4238020 Centrifugal clutch with an overspeed relief valve and clutch modulation |
| 12/09/1980 | US4237935 Hydraulic pressure relief valve and fluid isolator |
| 12/09/1980 | US4237769 Relief valves and mine props incorporating the same |
| 12/09/1980 | US4237593 Method of making a two-part pressure relief valve |
| 12/09/1980 | CA1091128A1 Guide means for indicating check valve |
| 12/09/1980 | CA1091127A1 Pressure regulating and flow control valve |
| 12/02/1980 | US4236759 Hydraulic safety valve |
| 12/02/1980 | US4236648 Safety pressure relief apparatus |
| 11/28/1980 | EP0015919A4 Pressure modulating selector valve. |
| 11/25/1980 | US4235211 Fuel pressure regulator |
| 11/18/1980 | CA1089840A1 Change-over valve, preferably for a railway vehicle |
| 11/11/1980 | US4232796 Thermal release plug for a fabricated pressure vessel |
| 11/11/1980 | US4232703 Safety close-off valve arrangement for pipe conduit systems and installations |
| 11/11/1980 | US4232698 Pressure relief valve with pressure indicating means |
| 11/11/1980 | CA1089325A1 Flow regulator |
| 11/11/1980 | CA1089320A1 Fuel tank venting valve |
| 11/11/1980 | CA1089318A1 Pilot valve |
| 11/04/1980 | US4231713 Compressor modulation delay valve for variable capacity compressor |
| 11/04/1980 | US4231484 Safety device for pressure vessels |
| 10/29/1980 | EP0018169A1 Fluid pressure operated valves |
| 10/29/1980 | EP0018148A1 Improvements in and relating to rupture disc assemblies |
| 10/29/1980 | EP0018088A1 An in-line flow regulator for a pressurized fluid |
| 10/29/1980 | EP0017663A1 Method of producing an one-piece valve box |
| 10/28/1980 | US4230149 Fluid flow regulating valve and system |