Patents for F16K 17 - Safety valves; Equalising valves (21,027)
07/1991
07/03/1991CN2080125U Improved mash gas safety control valve
07/03/1991CN2080124U Safety pressure reducing valve for stove
07/02/1991US5028383 Nuclear reactor steam depressurization valve
07/02/1991US5027844 Pressure and thermal relief valve for fuel tank
07/02/1991US5027823 Gas flow valve, and automatic sphygmomanometer using same
07/02/1991CA1285455C Rupture pin valve system
07/02/1991CA1285454C Pressure relief valve
06/1991
06/27/1991WO1991009244A1 Pressure release valves
06/26/1991EP0434092A2 Flow control valve
06/26/1991EP0433701A2 Pressure-activated valve
06/26/1991EP0433406A1 Diving regulator demand valve.
06/26/1991CN1052540A Adjustable static pressure-reducing valve
06/19/1991EP0432371A1 Stop cock
06/19/1991CN2079247U Flow stopping adjustable valve
06/18/1991US5024378 Shut-off valve for scald prevention
06/13/1991WO1991008001A1 Device for controlling and monitoring the flow of cephalorachidian liquid in a drainage circuit
06/12/1991EP0431459A1 Three way valve assembly with pressure compensating valve
06/12/1991CN2078836U Leading safety valve for pressure containers
06/12/1991CN1052177A Low pressure recirculation valve
06/12/1991CA2031738A1 Flow regulating valve and system using the same
06/11/1991US5022438 Fluids rate of flow saving or limiting device
06/11/1991US5022435 Gas regulator with safety device
06/11/1991US5022424 Tension loaded composite rupture disk
06/11/1991US5022423 Safety valve
06/11/1991CA1284793C Wax-pellet thermostat
06/05/1991EP0430390A1 Failure indicating rupture disk assembly
06/05/1991EP0430309A2 Combination valve for feed conduit
06/05/1991EP0429836A1 Automatic shutoff safety valve
06/05/1991EP0429447A1 Gasket assembly and electrical power transformer including the same
06/05/1991CN2078405U Respiratory valve
06/05/1991CN2078404U Valve for releasing pressure
06/04/1991CA1284606C Condensate separator and discharging device
05/1991
05/29/1991EP0429359A1 Radiant burner with automatic shut-off in case of flashback
05/29/1991EP0203090B1 Diverter
05/29/1991DE3938905A1 Hydraulic pressure restricting valve - has housing with valve inlet and outlet, conical seating valve and valve piston with seal
05/28/1991CA1284479C Fluid control valve
05/27/1991CA2009039A1 Rupture disk failure indicating apparatus
05/22/1991CN2077505U Safety valve for liquidefied petroleum gas
05/21/1991CA1284288C Safety valve actuator
05/15/1991CN2077070U Spring gas-locking unit
05/15/1991CN2077069U High magnetic energy-saving voltage regulator
05/08/1991EP0425621A1 Pressure limiting valve with stepped or double piston
05/08/1991CN2076631U 减压阀 Valve
05/07/1991US5012945 Rupture disk assembly
05/07/1991US5012834 Fluid pressure flare relief valve
05/02/1991EP0424449A1 Control system for the hydraulic tilt function of a marine engine
05/02/1991DE4026760A1 Safety valve for pressurised gas containers - consists of housing with gas pipe through it, and plate valve seating and tension pieces
05/02/1991DE3936172A1 Fire-proof safety valve for pressurised containers - has two valves and seatings, with expansion container and bolt
04/1991
04/30/1991US5011116 Shock absorbing sealing means for flow control devices
04/30/1991US5010925 Normally closed duckbill valve assembly
04/24/1991EP0423362A1 Counterbalance valve
04/24/1991EP0423343A1 Abnormal pressure prevention-vacuum prevention valve
04/23/1991CA1283382C Closure for hot beverage container
04/18/1991WO1991005193A1 Riser check valve
04/18/1991DE3929094A1 Hydraulic pressure relief valve
04/17/1991EP0422982A1 Two-way operating relief valve
04/17/1991EP0421993A1 A valve device
04/17/1991CN2075291U Safety pressure reducing valve for alarm of air leakage
04/17/1991CN1050761A Check valves
04/16/1991US5007447 Pneumatic feed safety apparatus with re-setting control
04/16/1991CA1283021C Unitary poppet valve assembly for a proportioning valve
04/16/1991CA1283020C Roll over fuel cap
04/10/1991CN1050600A Explosive sheet style safety valve
04/09/1991US5005722 Fail safe rupture disk assembly
04/09/1991CA1282668C Safety valve
04/04/1991DE3932269A1 Pressure relief valve - with seat for valve element punched in the sealing plate
04/04/1991DE3932118A1 Fastening screw with ventilation system - consists of top and bottom part with air vents between and centre pin
04/03/1991EP0420603A2 Pressure regulator
04/03/1991EP0420353A2 Valve, an inflatable body with such a valve, and a packaging
04/03/1991EP0420324A2 Operating valve for pressure cookers
04/03/1991CN2074407U Bi-weight defferential-pressure-type safety valve
04/02/1991US5004010 Hose rupture valve
04/02/1991US5004003 Fire control valve with pivotal latch
03/1991
03/31/1991WO1991005194A1 Constant flow rate valve
03/30/1991CA2025819A1 Operating valve for pressure cookers
03/28/1991CA2026221A1 Pressure regulator and method of assembling same
03/27/1991EP0419056A1 Over-pressure relief valve
03/27/1991CN1050256A Energy-saving three way governor valve
03/26/1991US5002230 Valve for an atomizing nozzle and the like
03/26/1991US5002088 Clean-in-place pressure and vacuum relief valve
03/26/1991US5002086 Plastic control valve
03/26/1991US5002085 Low pressure non-fragmenting rupture disks
03/22/1991CA2023709A1 Over-pressure relief valve
03/21/1991WO1991003408A1 Check valves
03/21/1991WO1991003302A1 Relief valve for liquid filter
03/20/1991EP0417172A1 Heater control valve.
03/20/1991CN2073518U Adjustable auto-close decompressing valves for lpg
03/19/1991US5000216 Pressure relief valve
03/13/1991CN2073063U Explosion-proof instrument for chemistry teaching
03/12/1991CA1281260C Water shut-off valve
03/08/1991WO1991003633A1 Safety thermostat
03/08/1991CA2041659A1 Safety thermostat
03/02/1991WO1991003621A1 Pressure limiting valve with teflon seal
02/1991
02/27/1991CN2072180U Auto-adjusting valve
02/27/1991CN2072179U Controller for fluid pressure
02/27/1991CN1011774B Automatic dispensing system for liquids
02/20/1991CN2071736U Safety gas pressure regulator
02/20/1991CN1011735B Button type full-sealed high-speed opening and closing shutoff valve
02/20/1991CN1011733B Flow controlling valve with pressure compensation
02/15/1991WO1991002916A1 Multi-function valve