Patents
Sitemap › F16 - Engineering elements or units; General measures for producing and maintaining effective functioning of machines or installations; Thermal insulation in general › F16K - Valves; Taps; Cocks; Actuating-floats; Devices for venting or aerating › F16K 17 - Safety valves; Equalising valves
Patents for F16K 17 - Safety valves; Equalising valves (21,027)
10/1991
10/23/1991EP0452374A1 Universal control valve.
10/23/1991CN2087270U Pressure valve
10/22/1991US5058621 Tank breather
10/22/1991US5058618 Relief valve for hydraulic fluid
10/22/1991US5058413 Rupture disc
10/17/1991DE4011593A1 Adjustable pressure reducing or limiting valve - has spring between valve plates, one driven by stepper motor via spindle and nut
10/16/1991EP0452045A1 Normally closed duckbill valve assembly
10/16/1991EP0451326A1 Pressure regulating valve apparatus
10/16/1991EP0409907A4 Pressure relief device, and method
10/15/1991US5056555 Device for protection against an excess pressure
10/15/1991CA1290642C Vibration resistant rupturable pressure relief member
10/15/1991CA1290641C Composite rupture disk assembly
10/10/1991DE4103987A1 Shut=off device for combustible fluid piping - includes expandable insert for emergency sealing
10/09/1991CN2086355U Super high-pressure differential pressure direct overflow valve
10/08/1991CA1290357C Rapidly opening peak-clipping valve for a hydropneumatic suspension for a heavy vehicle
10/08/1991CA1290309C Bleeder valve assembly
10/03/1991WO1991014907A1 Pressure control valve
10/02/1991EP0449768A1 Quick air relief valve
10/02/1991EP0449668A1 Shock absorbing sealing means for flow control devices
10/02/1991CN1014170B Antiimpact pressure safety valve
10/01/1991US5052433 Starter connection for progressive pressurizing of pneumatic installations
10/01/1991US5052429 Gas breaker, automatic gas shut-off valve
09/1991
09/27/1991CA2013192A1 Pressure responsive diaphragm control valve
09/24/1991US5050637 Relief valve
09/24/1991US5050635 Relief valve
09/24/1991US5050630 Self-positioning rupture disk assembly
09/24/1991US5050629 Earthquake shutoff valve
09/18/1991EP0446281A1 Emergency fuel shut-off system
09/18/1991CN2085010U Pressure reducing valve of compressed natural gas for automobiles using petrol and natural gas as fuel
09/18/1991CN2085009U Decompression valve
09/17/1991US5048560 Sealing valve assembly
09/17/1991US5048554 Valve for a gas cylinder
09/17/1991US5048553 Relief valve with overturn surge control for storage tank
09/17/1991US5048552 Universal trip valve operators and trip actuating seismic vibration sensors and transducers therefor
09/11/1991CN1013895B Safety valve for control
09/10/1991US5046686 Clack valve and flap valve with a controlled valve as well as aircraft with controlled valve of this type
09/10/1991US5046524 Safety relief valve
09/10/1991CA1288792C Gasket mounting arrangement
09/10/1991CA1288659C Piston restraining construction of pressure reducing valve
09/05/1991WO1991013280A1 Pressure limiting valve with stable spring pad
09/04/1991CN2084142U Auto-cut-off safety valve at gas supply stopping
09/04/1991CN1054301A Overflow valve with stable spring seating
09/04/1991CN1013799B Multifunctional domestic lpg pressure regulator
09/03/1991US5044397 Tank pressure control apparatus
09/03/1991US5044389 High volume fuel vapor release valve
08/1991
08/28/1991EP0443012A1 Cutoff valve.
08/28/1991CN2083670U Pressure difference self-control throttle valve
08/28/1991CN2083669U 重油恒流阀 Heavy constant flow valve
08/28/1991CN2083668U Breath valve
08/27/1991US5042519 Fuel tank vent
08/22/1991WO1991012451A1 Full flow mechanically activated rupture valve
08/21/1991EP0442199A2 Low pressure non-fragmenting rupture disks
08/21/1991EP0441943A1 Safety thermostat.
08/21/1991EP0441918A1 Pressure limiting valve with teflon seal.
08/21/1991EP0441831A1 Valve device, particularly a ventilation valve for the vent pipe of a vehicle fuel tank.
08/21/1991CN2083231U Water saver
08/21/1991CN2083230U Excess-flow valve
08/21/1991CN2083229U 负压安全阀 Negative pressure relief valve
08/20/1991US5040563 Adjustable air pressure valve
08/14/1991CN2082782U Hydraulic oil return throttling speed gonverning loop equipped with pressure reducing valve interrelated to load
08/13/1991CA1287548C Pressure regulating valve
08/13/1991CA1287547C Diaphragm-type antidrip valve
08/08/1991DE4002926A1 Safety valve with variable operating pressure - has adjusting screw and lock-nut enclosed in close-fitting plastics housing
08/07/1991EP0440097A1 A counterbalance valve with a relief function
08/07/1991CN1053667A One-way membrane-breaking valve
08/06/1991US5037277 Poppet valve for a high pressure fluid pump
08/06/1991US5036888 Closure cap for a container pipe
08/06/1991US5036878 Gas-cylinder relief valve
08/06/1991US5036877 Pilot controlled pressure relief valve
08/06/1991US5036875 Hydrocarbon monitoring valve
08/06/1991US5036632 Pressure relief panel assembly
08/01/1991DE3911426A1 Druckmittelventil Pressure valve means
07/1991
07/31/1991EP0438933A2 Relief valve for hydraulic fluid
07/31/1991CN2081923U Automatic exhaust valve
07/24/1991EP0437717A1 Seat valve
07/24/1991CN2081466U Bob-weight balance valve
07/24/1991CN2081465U Windward side topping outer adjusting straight automatic voltage-stabilizing by-pass valve
07/23/1991US5033505 Pressure regulator and method of assembling same
07/23/1991US5033495 Corrosion resistant enameled valve
07/23/1991CA1286567C Automatic valve with high-speed opening
07/23/1991CA1286566C Thermally activated valve
07/23/1991CA1286565C Safety pressure relief device and method for making the same
07/18/1991DE4101210A1 Control arrangement for vane cell pump - incorporates adjustable opening in control piston
07/18/1991DE4001197A1 Ball valve seating device - has pressure relief device for valve member closure spring
07/17/1991EP0437019A2 Scored reverse buckling rupture disk assembly
07/17/1991CN2081022U Sole weight type respiratory valve
07/17/1991CN2081021U Pressure releasing valve for transformer
07/17/1991CN2081020U Pressure releasing valve
07/16/1991US5031448 Exhaust valve for supercritical fluid chromatograph
07/16/1991CA2007880A1 Improved ball and cage valve for downhole reciprocating pumps
07/16/1991CA1286198C Aseptic constant flow valve
07/16/1991CA1286195C Self-regulating deicer valve
07/16/1991CA1286193C Pressure limiting valve
07/16/1991CA1286192C Modulating pressure operated pilot relief valve
07/11/1991WO1991010090A1 Fire control valve with pivotal latch
07/10/1991CN2080604U 静止减压阀 Stationary valve
07/10/1991CN2080603U Automatic explosion-proof safety valve for pressure regulator of liquefied gas
07/10/1991CN1013145B Sleeve type regulating valve with low differential pressure
07/10/1991CN1013142B Controlling valve of compressor
07/09/1991US5029601 Rockable earthquake valve
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