Patents for F16K 17 - Safety valves; Equalising valves (21,027) |
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11/10/1987 | US4704951 Ventilation system for an isolation enclosure |
11/10/1987 | CA1229104A1 Flow check prevention mechanism |
11/10/1987 | CA1229053A1 Plumbing test plug apparatus |
11/04/1987 | EP0244314A1 Rapidly opening relief valve for a hydropneumatic suspension element of a heavy loads vehicle |
11/04/1987 | CN87202687U Complete opening type spring safety valve for vapour |
10/29/1987 | DE3700822C1 Safety shut-off valve |
10/29/1987 | DE3613761A1 Safety valve |
10/27/1987 | US4702268 To permit gas flow |
10/22/1987 | WO1987006319A1 Safety valve |
10/22/1987 | WO1987006318A1 Check valve |
10/21/1987 | EP0241952A1 Pressure relief valve |
10/20/1987 | US4700750 For restricting the flow of vapors |
10/20/1987 | US4700742 Automatic shut-off device |
10/20/1987 | CA1228279A1 Fuel pressure regulator |
10/15/1987 | DE3612393A1 Non-return valve |
10/14/1987 | CN87203143U Directly acting type sylphon bellows reducing valve |
10/13/1987 | US4699355 Fail-safe fluid piloted valve positioner with hydromechanical position lock |
10/13/1987 | US4699171 Multiple port relief valve |
10/13/1987 | US4699166 Hydraulic fuse valve assembly |
10/08/1987 | WO1987005980A1 Combined shut off and check valve |
10/07/1987 | CN86209207U Compression release valve with pressure detection device |
10/06/1987 | US4697616 Fluid flow control apparatus |
10/06/1987 | US4697613 Pressure compensated flow rate controllers |
09/30/1987 | EP0238828A2 Self-regulating deicer valve |
09/29/1987 | US4696325 Sensing of fire installation water valves being closed |
09/29/1987 | CA1227395A1 Modulating pressure operated pilot relief valve |
09/24/1987 | DE3609857A1 Device for safeguarding gasline systems, in particular against fire |
09/23/1987 | EP0238160A2 Roll-over valve |
09/23/1987 | CN87101799A Hydraulic shock-absorber of beat and its application in valves parts |
09/22/1987 | US4694860 Fluid-flow isolation and control apparatus and method |
09/22/1987 | US4694847 Roll-over valve with sealing ball |
09/22/1987 | CA1227104A1 Gas pressure regulator with reversible setting rod |
09/16/1987 | EP0237456A1 Hydraulic vibration damper and its use in valves and the like |
09/16/1987 | CN86207012U Deadweight type safety valve |
09/11/1987 | WO1987005375A1 Shut-off valve and method for using same |
09/10/1987 | DE3607516A1 Safety vacuum valve for spray cans filled with compressed air as propellent |
09/09/1987 | EP0236018A2 Cryogenic refrigerator compressor with externally adjustable by-pass/relief valve |
09/09/1987 | EP0235766A2 Safety valve for household appliances |
09/08/1987 | US4691893 Fail safe gate valves and actuators therefor |
09/08/1987 | US4691734 Valve seals |
09/08/1987 | US4691729 Reverse-buckling rupture disk with replaceable disk and blade |
09/08/1987 | CA1226507A1 Automatic shut off valve |
09/02/1987 | EP0234801A2 Fluid control valve |
09/02/1987 | CN87102179A Supply cylinder shut-off and flow control valve |
09/02/1987 | CN87101604A Fluid-flow isolation and control apparatus and method |
09/02/1987 | CN86206338U 压力控制阀 Pressure control valve |
09/01/1987 | US4690170 Safety gas valve with timer |
09/01/1987 | US4690169 Combined shut off and check valve |
08/27/1987 | WO1987005134A1 Modulating pressure operated pilot relief valve |
08/26/1987 | EP0233775A2 Supply cylinder shut-off and flow control valve |
08/26/1987 | EP0233604A2 Pressure regulator |
08/25/1987 | US4688754 End assembly for control valves |
08/25/1987 | US4688592 Earthquake tremor responsive shut off valve |
08/19/1987 | EP0232478A2 Device for compensating pressure waves in closed systems such as conveying pipes or the like |
08/18/1987 | US4687177 Device for adjusting the switching time of a valve member |
08/18/1987 | US4687022 Pressure relief valve and regulator |
08/13/1987 | WO1987004766A1 Fluid restricting valve |
08/13/1987 | WO1987004745A1 Fluid-flow isolation and control apparatus and method |
08/12/1987 | CN85109329A Precursory overflow valve |
08/11/1987 | US4685486 Condensate separating and discharging device with apertured float cover |
08/05/1987 | EP0230715A1 Variable rate flow controller |
08/04/1987 | US4683910 High-speed protective check valving for pressure transducers and the like |
07/30/1987 | WO1987004504A1 Automatic fluid flow shutoff device |
07/29/1987 | EP0230150A2 Diaphragm-type antidrip valve |
07/29/1987 | EP0229841A1 Reducing valve |
07/28/1987 | US4682759 Relief valve for hydraulic systems |
07/28/1987 | US4682619 Reverse-buckling rupture disk |
07/28/1987 | CA1224695A1 Fuel pressure regulator |
07/28/1987 | CA1224692A1 Valve for high pressure fluid container |
07/21/1987 | US4681297 Adjustable pressure regulating solenoid valve |
07/21/1987 | US4681132 Check valve with preset cracking pressure |
07/21/1987 | US4681130 Combined pressure regulated and check valve |
07/21/1987 | US4681088 Freeze protection valve for solar heaters |
07/21/1987 | CA1224446A1 Liquid flow rate controller |
07/15/1987 | EP0228514A1 Aseptic constant flow valve |
07/14/1987 | US4679596 Pressure relief valve |
07/14/1987 | US4679586 Pilot operated relief valve |
07/14/1987 | US4679581 Fuel tank vent valve |
07/14/1987 | US4679579 Method and apparatus for controlling the pressure of gases flowing through a conduit |
07/08/1987 | EP0228149A2 Pressure release vent |
07/08/1987 | CN86202310U Highly sealed explosion-proof tyre valve |
07/08/1987 | CN86107539A Pressure reducing valve with hydraulic air-operated accumulator |
07/07/1987 | CA1223855A1 Fail-safe actuator for rotary valves |
07/01/1987 | EP0227541A1 Pressure relief valve with integrated pilot valve |
07/01/1987 | EP0227316A1 Dampers |
07/01/1987 | EP0227212A1 Automatic overflow control apparatus for a pipeline |
07/01/1987 | EP0226774A2 Pilot operated pressure control valve |
06/30/1987 | US4676266 Pressure relief device |
06/30/1987 | CA1223499A1 Low pressure high temperature safety valve |
06/24/1987 | EP0226298A1 Inertia valves |
06/23/1987 | US4674530 Pressure relief device for vessels |
06/16/1987 | US4672996 Self-regulating valve |
06/16/1987 | US4672995 Redundant pilot valve control system |
06/16/1987 | EP0225435A1 Heat sensitive valve |
06/10/1987 | CN86206955U Control valve with range of pressure |
06/10/1987 | CN86206815U Combined safety angle valve |
06/09/1987 | US4671786 Overpressure safety valve |
06/09/1987 | US4671319 Autonomous assistance device for a safety valve |
06/09/1987 | CA1222737A1 Ball valve with emergency sealing device |
06/09/1987 | CA1222676A1 Adjustable stop in the bore of a device |