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