Patents for F16K 17 - Safety valves; Equalising valves (21,027)
01/1998
01/07/1998EP0815372A1 Overpressure protector
01/07/1998EP0753118A4 Pressure balancing device
01/07/1998CN2272081Y 煤气安全阀 Gas safety valve
01/06/1998US5705066 Apparatus for opening a vessel
01/06/1998US5704391 Gravity-operated gas shut-off valve
01/06/1998US5704386 Multistage regulating valve
01/06/1998US5704385 Automatic and manually operable safety shutoff valve
01/02/1998DE19628610C1 Control device with pressure/displacement converter
12/1997
12/31/1997CN2271644Y Pressure valve of pot ware
12/30/1997US5702606 Pressure pulses cause air bubbles to be sheared off dialyzer membrane; backfiltering; removal
12/29/1997EP0813662A1 Temperature-sensitive shut-off fitting
12/29/1997EP0753117A4 Safety valve
12/24/1997WO1997048926A2 Two-way pressure relief valve
12/23/1997US5699665 Control system with induced load isolation and relief
12/23/1997CA2074010C Surge relief valve
12/18/1997WO1997047729A1 Sensing unit for monitoring the contents of a fluid-containing container
12/18/1997DE19623343A1 Relief pipe for explosion decoupling
12/17/1997CN2270861Y Constant pressure water valve
12/10/1997EP0811122A1 Pump having relief valve seat free of direct structural restraint
12/10/1997CN1167448A Liquid filtering apparatus
12/10/1997CN1036675C Pneumatic cylinder with cushion mechanism
12/09/1997US5694977 High pressure enabled, low pressure activated automatic fluid control valve
12/09/1997US5694975 Pressure regulator
12/09/1997US5694960 Hazardous gas protection system and method for automatic valve closure
12/04/1997WO1997045683A1 Pressure relief system and method of use particularly for a refrigeration system
12/03/1997CN2269506Y Gas safety valve for pipe line
12/03/1997CN1166870A Counter-balance valve
12/02/1997US5694117 Alarm system for rising stem valves
11/1997
11/27/1997WO1997044645A2 Device for testing safety valves
11/27/1997WO1997044584A1 Amplified pressure air driven diaphragm pump and pressure relief valve therefor
11/27/1997WO1997044093A1 Combined pressure reducing and charging valve
11/27/1997DE19621261A1 Seal arrangement using dimensionally stable seals
11/27/1997DE19621160A1 Safety device for pipeline
11/26/1997EP0808271A1 Safety device
11/26/1997EP0808186A1 Valve apparatus
11/25/1997US5690831 Method of rinsing back blood to hemodialysis patient
11/25/1997US5690821 Apparatus for supplying a batch of chemicals to a dialysate tank
11/25/1997US5690098 Servo gas regulating valve
11/19/1997CN1165263A Multi-layer sealed explosion-proof safety valve with vibration leakage way
11/18/1997US5687758 Gas leak sensor shutoff valve and method for installation
11/13/1997DE19619100A1 Release or actuation element e.g. to trip sprinklers
11/12/1997EP0805927A1 Improved automatic recirculation valve
11/12/1997CN1164888A Method for transporting thermally unstable viscous mass
11/11/1997US5685448 Explosion protection lid in lightweight construction, especially for pipelines
11/11/1997US5685329 Dual inline rupture pin release and reseating spring loaded relief valve
11/05/1997EP0804696A1 Pilot operated proportional pressure limitation valve
11/05/1997EP0804121A1 Breathable liquid elimination analysis
11/05/1997CN1164271A Relief valve seat for positive displacement pump
11/04/1997US5682920 Valve device for priming a pump, particularly for coffee making machines
11/04/1997US5682624 Vacuum relief safety valve for a swimming pool filter pump system
10/1997
10/29/1997EP0803671A1 Safety valve for a venting line in a liquid container
10/29/1997EP0803669A2 Fluid pressure relief system for pressure vessels
10/28/1997US5681454 Liquid processing plant
10/28/1997US5680703 Method of manufacturing pressure regulator
10/22/1997EP0802359A2 Gas cylinder thermal relief valve
10/22/1997EP0802078A1 Venting and aeration valve for fuel or the like
10/22/1997EP0672011B1 Lightweight explosion flap, in particular for pipelines
10/22/1997EP0452496B1 Constant flow rate valve
10/22/1997CN1162987A High pressure abrasive slurry check valve
10/21/1997US5678590 To permit air in a fuel tank to flow out of the tank during refueling
10/21/1997US5678307 Method of manufacturing rupturable pressure relieving apparatus
10/17/1997CA2202809A1 Gas cylinder thermal relief valve
10/16/1997WO1997038250A1 Water-hammerless check valve
10/16/1997WO1997038249A1 Variable by-pass slow-closing check valve device
10/16/1997DE19703459A1 Safety valve supply channel links inlet to outlet with inbuilt shut=off valve
10/15/1997EP0801231A1 Control system with induced load isolation and relief
10/14/1997US5677478 Pressure relief system for filtration testing apparatus
10/14/1997US5676639 Adjustable pressure relief valve for compression garment
10/14/1997US5676172 Relief valve
10/08/1997CN2264283Y Guide piston pressure reducing valve
10/08/1997CN2264282Y Straight steady pressure discharge valve
10/07/1997US5674404 Filter integrity test method for dialysis machines
10/07/1997US5674397 Debubblers
10/07/1997US5674390 Dialysis machine with leakage detection
10/07/1997US5673563 Pressure relief apparatus and method of use particularly for a refrigeration system
10/02/1997DE19708493A1 Flow protection valve for fuel container of internal combustion engine
10/02/1997DE19612166A1 Device to open can of pressurised gas for motor vehicle airbag
09/1997
09/25/1997WO1997034785A1 Airbag system inflator
09/25/1997DE19705440A1 Roll over valve for ventilating vehicle fuel containers
09/25/1997CA2221799A1 Airbag system inflator
09/24/1997CN1160123A Cooling circulation return for IC engine
09/23/1997US5670050 Method for detection of leakage of blood
09/23/1997US5669408 Pressure type flow rate control apparatus
09/23/1997US5669356 Control valve
09/18/1997DE19609935A1 One way fluid valve
09/17/1997EP0795098A1 Automatic valves
09/17/1997CN2262634Y 氧气减压器 Oxygen Regulator
09/17/1997CN1159849A Pressure compensating valve
09/16/1997US5666993 Pressure isolated pilot check valve
09/16/1997US5666989 For controlling the flow of fuel vapor/liquid fuel in a fuel tank
09/12/1997WO1997033111A1 Thermal safety device for automatically blocking pipes
09/12/1997WO1997033110A1 Safety valve
09/10/1997CN2262148Y Spring loaded safety valve
09/10/1997CN2262147Y 减压阀 Valve
09/10/1997CN2262146Y 可调式减压阀 Adjustable pressure reducing valve
09/10/1997CN1035838C Pressure regulating system for fire extinguishing equipment
09/09/1997US5664601 Relief valve with abnormal pressure indicator means
09/04/1997WO1997032244A1 Through-flow regulator with a regulator core for an outflow fitting
09/04/1997WO1997032148A1 Pipeline safety valve valve
09/04/1997WO1997032146A1 Flame-retardant pressure equalizing valve