| Patents for F16K 17 - Safety valves; Equalising valves (21,027) |
|---|
| 04/12/1977 | US4016907 Tank bottom internal valve housing |
| 04/12/1977 | US4016904 Safety vent valve |
| 04/12/1977 | US4016903 Pilot operated pressure and vacuum relief valve |
| 04/12/1977 | US4016899 Relief valve |
| 04/05/1977 | US4015953 For combustible gas line |
| 04/05/1977 | US4015627 Pressure relief valve |
| 04/05/1977 | US4015622 Valve for use with inflatable articles such as pneumatic boats |
| 04/05/1977 | US4015620 High response unloading valve |
| 03/22/1977 | USRE29155 On-off sprinkler |
| 03/22/1977 | US4013089 Back flow preventer valve |
| 03/08/1977 | US4010770 Velocity flow control valve for fluid line |
| 03/01/1977 | US4009572 Hydrostat systems containing coaxial multidirectional flow control valves |
| 02/22/1977 | US4008875 Sequence valve for clamping apparatus |
| 02/15/1977 | US4007759 Pressure stabilizer for hydrocarbon storage facilities |
| 02/15/1977 | US4007643 Vibration sensing and responding device |
| 02/08/1977 | US4006939 Air pressure modulated brake valve system |
| 02/01/1977 | US4005724 Tilt responsive valve |
| 01/25/1977 | US4004610 Line control |
| 01/25/1977 | US4004607 Conduit arrangement with protection against rupture and leakage |
| 01/25/1977 | US4004605 Relief valve for fluids |
| 01/25/1977 | US4004601 Quick closing emergency valve |
| 01/18/1977 | US4003401 Liquid outlet valve |
| 01/18/1977 | US4003398 Pressure limiter device |
| 01/18/1977 | US4003397 Dual coaxial bidirectional valves and filter assemblies and hydrostat systems containing the same |
| 01/18/1977 | US4003395 Quick-opening valve operated by explosive charge |
| 01/04/1977 | US4000754 Automatic control valve for a fluid system |
| 12/28/1976 | US3999571 Pressure relief valves |
| 12/14/1976 | US3996965 Pilot valve mechanism for high or low pressure cutoff control |
| 12/14/1976 | US3996961 Flow regulator for air ducting |
| 12/14/1976 | US3996952 Control damper |
| 12/14/1976 | US3996951 Safety roll over valve |
| 12/07/1976 | US3996137 Filter assemblies containing coaxial bidirectional flow control and relief valves |
| 12/07/1976 | US3995710 Tilt-responsive valve |
| 12/07/1976 | US3995657 Valve |
| 12/07/1976 | US3995651 Valve for shutting off gas flow in pipes during earthquakes |
| 11/23/1976 | US3993089 Flow controller device |
| 11/16/1976 | US3991784 High/low safety valve |
| 11/09/1976 | US3990516 Pneumatic time delay valve |
| 11/09/1976 | US3990352 Control valve |
| 11/02/1976 | US3989312 Control valve assemblies for use in fluid pressure braking systems |
| 11/02/1976 | US3989057 Pressure relief safety device |
| 10/26/1976 | US3987818 Safety trip valve for steam or gas turbines with means to assure controlled opening from the closed position |
| 10/26/1976 | US3987814 Flow responsive poppet relief valve |
| 10/19/1976 | US3986525 Internal tank valve |
| 10/12/1976 | US3985652 Dual coaxial bidirectional valves and filter assemblies and hydrostat systems containing the same |
| 10/05/1976 | US3983894 Fluid valves |
| 10/05/1976 | US3983892 Explosive valve |
| 10/05/1976 | US3983891 Vent valve |
| 10/05/1976 | US3983890 Roll over valve construction and method of making the same |
| 09/28/1976 | US3982794 Velocity rate change sensitive fluid valve |
| 09/28/1976 | US3982665 Out-flow metering device |
| 09/28/1976 | US3982561 Combination surge relief and back flow prevention valve |
| 09/28/1976 | US3982538 Safety valves for protection against liquid contamination |
| 09/21/1976 | US3981317 Flame-arresting or smoke-clearing valve device operating by closure and opening respectively |
| 09/21/1976 | US3981316 Pressure and temperature-responsive control means |
| 09/21/1976 | US3981228 Hydraulic control system |
| 09/21/1976 | US3981146 Variable ratio master cylinder |
| 09/14/1976 | US3980095 Power transmission |
| 09/14/1976 | US3980094 Quick action slide valve |
| 08/31/1976 | US3977649 Normally closed solenoid operated valve assembly with relief function |
| 08/31/1976 | US3977438 Means to reset an actuator pilot valve |
| 08/31/1976 | US3977430 Ball check valve construction with pressure-responsive reset means |
| 08/24/1976 | US3976096 Valve |
| 08/17/1976 | US3975116 Pressure responsive fluid valve assembly |
| 08/17/1976 | US3974936 Closure cap |
| 08/17/1976 | US3974852 Hose rupture valve |
| 08/17/1976 | US3974850 High volume fluid pressure relief valve |
| 08/03/1976 | US3972442 Safety equipment |
| 08/03/1976 | US3972345 Pilot operated relief valve |
| 07/27/1976 | US3971443 Discharge head having dual function plug retaining member |
| 07/27/1976 | US3971406 Vapor fuel control apparatus |
| 07/20/1976 | US3970147 Method and apparatus for annulus pressure responsive circulation and tester valve manipulation |
| 07/20/1976 | US3970098 Tank vent |
| 07/13/1976 | US3968897 Pressure-vacuum relief valve assembly |
| 07/13/1976 | US3968813 Flow shut off valve |
| 07/06/1976 | US3967642 Air volume regulator for air conditioning systems |
| 07/06/1976 | US3967633 Gas vent system for operation in any arbitrary spatial orientation |
| 06/29/1976 | US3965928 Flow regulator for ducts |
| 06/29/1976 | US3965927 Overrun valve for air pumps |
| 06/29/1976 | US3965919 Hydraulic safety valve base |
| 06/29/1976 | US3965917 Earthquake valve |
| 06/22/1976 | US3964503 Carburetor |
| 06/22/1976 | US3964390 Explosive |
| 06/15/1976 | US3963050 Pneumatic relay |
| 06/15/1976 | US3963047 Fill and relief valve arrangement |
| 06/15/1976 | US3962975 Fluidic valve |
| 06/08/1976 | USRE28842 Unloader valve for spray guns |
| 06/08/1976 | US3961642 Fire hydrant valve rod coupling |
| 06/01/1976 | US3960171 Helmet exhaust valve |
| 06/01/1976 | US3960170 Pressure regulating valve |
| 06/01/1976 | US3960169 Pilot operated evaporator pressure regulator |
| 06/01/1976 | US3960065 Air control apparatus |
| 05/25/1976 | US3958592 Safety shut-off valve |
| 05/18/1976 | US3957075 Flow-sensitive pressure limiting valve for hydraulic equipment |
| 05/18/1976 | US3957073 Pressure balancing valve |
| 05/18/1976 | US3957072 Fluid flow control valve |
| 05/11/1976 | US3955589 Fluid isolating valve |
| 05/04/1976 | US3954138 Safety plug for sealing-off the tubing of a producing oil or gas well |
| 05/04/1976 | US3954118 Fluid pressure relief device |
| 04/27/1976 | US3953154 Pressure control and unloader valve |