Patents for F16K 17 - Safety valves; Equalising valves (21,027) |
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03/08/1989 | EP0305421A1 Cock |
03/08/1989 | CN1031592A Sleeve type regulating valve with low differential pressure |
03/07/1989 | US4810041 Inertia valves |
03/07/1989 | US4809740 Excess flow limiter |
03/07/1989 | US4809729 Pressure-relief device |
03/01/1989 | EP0305293A1 Protection valve, particularly against frost damage, and protection method for a water-distribution plant against frost damage |
03/01/1989 | EP0305177A1 Relief valve |
03/01/1989 | CN2033464U Sort of air pressure adjusting valve |
02/28/1989 | US4807656 Fuel-effusion prevention valve system and a device therefor |
02/22/1989 | EP0303860A2 Safety valve for the outer vessel of a double wall vacuum-insulated storage tank for low boiling liquified gases |
02/21/1989 | US4805657 Method and apparatus for remote control of an underwater valve |
02/21/1989 | CA1250272A1 Self-closing valve |
02/21/1989 | CA1250206A1 Fail-safe oil flow control apparatus |
02/15/1989 | EP0303583A2 Regulator |
02/15/1989 | CN2032673U Pressure reduction non-return angle valve |
02/13/1989 | EP0258315A4 Fluid restrictor for a valve. |
02/07/1989 | US4803136 Method of manufacturing a safety vented container and product |
02/01/1989 | CN2031866U Built-in self-fastening pressure-relief valve |
01/31/1989 | US4800948 Method of forming a thermally activated pressure relief valve |
01/24/1989 | US4799508 Pressure regulating valve for presure cooker |
01/24/1989 | US4799506 Adjustable safety relief valve |
01/24/1989 | US4799505 Earthquake triggered gas valve |
01/24/1989 | US4799359 Cryogenic refrigerator compressor with externally adjustable by-pass/relief valve |
01/19/1989 | DE3723044A1 Safety valve |
01/17/1989 | CA1248936A1 Device for the remote actuation of an appliance associated with a duct in which an incompressible fluid circulates, particularly a device for actuating a stabilizer of a set of drill rods |
01/12/1989 | DE3722120A1 Pressure reducing safety device |
01/11/1989 | EP0298821A1 Pneumatic fuse |
01/11/1989 | CN1030283A Barometer for pressure-relief valve |
01/10/1989 | US4797074 Governor device |
01/10/1989 | US4796777 Vented fuel tank cap and valve assembly |
01/10/1989 | CA1248465A1 Temperature responsive pressure relief apparatus and method |
01/10/1989 | CA1248425A1 Intercranial pressure regulator valve |
01/05/1989 | DE3717809A1 Simple pressure relief valve for flotation bags |
01/04/1989 | EP0297954A1 Fully opening safety valve for vacuum container |
01/04/1989 | EP0297879A2 Motor speed controller for a pressure fluid-operated motor |
01/04/1989 | EP0297835A2 Reverse buckling pressure relief device |
01/04/1989 | EP0297260A1 Fluid-actuated check and pressure-reducing valve |
01/04/1989 | CN1030128A Pressure reducer for dissolved acetylene cylinder |
01/03/1989 | US4795051 Rupturable fluid pressure relief apparatus and manufacturing method |
01/03/1989 | CA1247935A1 Vent-relief valve for a wet motor gerotor fuel pump |
12/29/1988 | WO1988010387A1 Pressure drop hose valve |
12/28/1988 | EP0296744A2 Hydraulic latch device |
12/28/1988 | CN88211427U Automatic liquefied-petroleum-gas safety device |
12/28/1988 | CN88101796A Automatic adjusting valve for vacuum pumping |
12/27/1988 | US4793509 Bulk material container having a filter vent |
12/27/1988 | US4793379 Supply cylinder shut-off and flow control valve |
12/21/1988 | CN88210121U Pressure-relief fire hydrant valve |
12/21/1988 | CN87217202U Single ball double safe leading operating safety valve |
12/21/1988 | CN87205212U Security indicating valve used for fire control |
12/21/1988 | CN87100082A Button type full-sealed high-speed opening and closing shutoff valve |
12/20/1988 | US4792113 Fluid flow control valve |
12/20/1988 | US4791958 Solenoid controlled fluid valve |
12/20/1988 | US4791956 Constant flow valve |
12/20/1988 | US4791955 Modulating pressure operated pilot relief valve |
12/20/1988 | US4791950 Pressure limiting valve |
12/20/1988 | US4791906 Device for regulating the pressure of a fluid supplied to an internal combustion engine from a fluid pressure source |
12/20/1988 | US4791827 Cam device for pressure regulating valve |
12/20/1988 | CA1246961A1 Round damper and fusible link therefor |
12/15/1988 | DE3717185A1 Pressure relief valve for compressed air and pressurised non-toxic gases |
12/14/1988 | EP0294389A1 Shut-off valve and method for using same |
12/14/1988 | CN88210344U Depressure valve |
12/14/1988 | CN88202376U Oil and gas separator of diesel |
12/13/1988 | US4790354 Manual relay valve |
12/13/1988 | US4790348 Low pressure relief valve |
12/13/1988 | US4790347 Pressure-relief valve devices |
12/13/1988 | CA1246423A1 Vacuum breaker |
12/08/1988 | EP0219500A4 Fire protection systems. |
12/08/1988 | DE3717213A1 Shut-off cock with a safety device allocated to the operating member |
12/07/1988 | EP0294194A2 Pressure responsive valve |
12/07/1988 | EP0293437A1 Multiple port relief valve |
12/07/1988 | EP0293398A1 Process and device for the control of safety valves. |
12/06/1988 | US4788999 Automatic servo-controlled valve with high-speed opening |
12/06/1988 | CA1245946A1 Pressure regulator for a fuel gas |
11/29/1988 | US4787419 Apparatus for controlling the pressure of gases flowing through a conduit |
11/29/1988 | US4787416 Regulator means for automatically shutting pipeline passage off during pressure reducing failure |
11/29/1988 | US4787409 Rupture pin valve system |
11/29/1988 | US4787180 Vibration resistant rupturable pressure relief member |
11/23/1988 | CN88212234U Adjustable temp. and pressure valve for pressure cooker |
11/22/1988 | US4785849 Pressure reducing valve assembly |
11/22/1988 | US4785842 Resettable vibration-actuated emergency shutoff mechanism |
11/17/1988 | WO1988008936A1 Arrangement for damping linear movements |
11/16/1988 | CN87103390A Automatic cut-off valve |
11/10/1988 | DE3809465A1 Sicherheitsventil fuer warmwasserbereiter mit drucktank nebst schlagdaempfervorrichtung fuer diesen Safety valve for water heater with pressure tank together with schlagdaempfervorrichtung for this |
11/08/1988 | US4782848 Shock actuated device |
11/08/1988 | CA1244315A1 Rupture disc |
11/03/1988 | WO1988008496A1 Spring-loaded safety valve |
11/02/1988 | CN88201050U Dead weight type safe valve |
11/02/1988 | CN87215755U Multifunction-closed type pre-operation safe valve |
11/01/1988 | US4781218 Valve assembly for use in a fuel tank of a vehicle |
11/01/1988 | CA1243921A1 Pressure limiting valve |
10/27/1988 | DE3718497A1 Tensile-force delimiting means in a gas-supply line |
10/27/1988 | DE3711547A1 Safety valve for gas supply line |
10/26/1988 | CN88101490A Stepped piston for balanced pilot operated safety relief valve |
10/26/1988 | CN87217064U Safe pressure reducing valve for liquified gas |
10/25/1988 | US4779637 Device for the aeration of a fuel tank |
10/25/1988 | US4779560 Rapidly opening peak-clipping valve for a hydropneumatic suspension for a heavy vehicle |
10/25/1988 | US4779419 Adjustable flow limiting pressure compensated flow control |
10/20/1988 | WO1988008086A1 Hydraulic pressure-regulating device, in particular for powershift gearbox in motor vehicles |
10/19/1988 | EP0286947A1 Valve |
10/19/1988 | CN88200110U Pilot bellows type relief valve |