Patents for F16K 17 - Safety valves; Equalising valves (21,027) |
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05/19/1999 | EP0916880A2 Equalising valve |
05/19/1999 | EP0916048A1 Pump protection fitting |
05/19/1999 | CN2319644Y 减压阀 Valve |
05/19/1999 | CN2319643Y Pipeline valve adopting isolating control mechanism and actuator |
05/19/1999 | CN1216809A Pilot-operated directional control valve |
05/14/1999 | WO1999008906A9 Device for letting pressurised gas stream into a safety device |
05/12/1999 | DE19749280A1 Safety valve for pipeline |
05/12/1999 | DE19749279A1 Safety valve for pipeline |
05/12/1999 | CN2318477Y Straight-through pressure-reducing valve |
05/12/1999 | CN2318476Y Safety switch valve capable of setting and regulating gas flow |
05/12/1999 | CN2318475Y Air balancer |
05/12/1999 | CN2318474Y Boiler constant-pressure automatic regulating valve |
05/11/1999 | US5901750 Variable flow orifice valve assembly |
05/11/1999 | US5901742 Pressure control valve |
05/06/1999 | WO1999022166A1 Diaphragm/spring actuated pressure relief valve with pressure balanced outlet and fail-safe operation |
05/06/1999 | EP0805927A4 Improved automatic recirculation valve |
05/06/1999 | DE19849742A1 Membrane type valve |
05/06/1999 | DE19747497A1 Pipe conductor locking device |
05/06/1999 | DE19746202A1 Shutoff valve for gas pipe fire prevention |
05/04/1999 | US5899275 Inert gas fire fighting system and pressure control valve for inert gas fire fighting system |
04/29/1999 | DE19747496C1 Gas pipe closure with ball valve |
04/28/1999 | EP0911559A1 Pilot-operated directional control valve |
04/28/1999 | EP0910766A1 Improved pressure-based mass flow controller |
04/28/1999 | CN2316524Y Automatic pressure stabilizing regulating valve for gas pressure of gas water heater |
04/28/1999 | CN2316523Y Balanced pressure gas valve |
04/28/1999 | CN2316522Y 保安阀 Security valve |
04/22/1999 | DE19746106A1 Valve for ventilation with main body and passage |
04/22/1999 | DE19745897A1 Servo steering arrangement for motor vehicle |
04/21/1999 | EP0909913A1 Gas safety valve |
04/21/1999 | CN2315391Y New full automatic fire-proof valve |
04/21/1999 | CN2315390Y Piston type conic fixed ratio pressure reducing valve |
04/21/1999 | CN2315389Y Proportional pressure reducing valve |
04/21/1999 | CN2315388Y 可调控自动恒压安全阀 Adjustable automatic constant pressure relief valve |
04/21/1999 | CN1214762A Flame-retardant pressure equalizing valve |
04/21/1999 | CN1214428A Leakless safety valve |
04/20/1999 | US5894859 Compressed gas emergency shutoff valve |
04/20/1999 | US5894856 Seismically triggered valve |
04/15/1999 | DE19742469A1 Multifunktionales Ventil für einen Fahrzeugtank Multifunctional valve for a vehicle tank |
04/14/1999 | EP0908653A1 Pilot operated pressure control valve |
04/14/1999 | EP0808271B1 Safety device |
04/14/1999 | CN2314187Y Hydraulic safety valve |
04/14/1999 | CN2314186Y 液压安全阀 Hydraulic valve |
04/13/1999 | US5893384 Seismically triggered valve with manual override |
04/08/1999 | WO1999016633A1 Multifunctional valve for a vehicle tank |
04/08/1999 | DE19752963C1 Regulating valve for jet pump |
04/07/1999 | EP0907119A1 Manual resetting excess flow control valve particularly for use with gas pressure regulators |
04/07/1999 | CN2313123Y Gas-leakage-proof safety valve |
04/06/1999 | US5890508 Main relief valve for safety relief system |
04/06/1999 | US5890504 Process for transporting a thermally unstable viscous mass |
03/31/1999 | EP0904716A2 Safety valve for pressure-cooker |
03/31/1999 | CN2312379Y Automatic homogeneous pressure valve |
03/25/1999 | WO1999014521A1 A shock valve |
03/25/1999 | WO1999014520A1 Reverse buckling rupture disc |
03/24/1999 | EP0903521A1 Housing for a thermal gas valve fitting |
03/24/1999 | EP0903520A1 Thermal gas valve fitting |
03/24/1999 | EP0772477B1 Device for the automatic closure of a shut-off fitting |
03/24/1999 | EP0681716B1 Improved automatic recirculation valve |
03/24/1999 | CN2311670Y Floating safety liquid control valve |
03/24/1999 | CN2311669Y Gas combustion regulator with gravity center topping regulating button |
03/24/1999 | CN2311668Y Hydraulic dynamic tong torque control valve |
03/24/1999 | CN2311667Y Automatic reliefing non-return valve for air compressor |
03/24/1999 | CN2311666Y Pressure auxiliary regulator |
03/24/1999 | CN1211759A Timing control mechanism large flowrate and non-pressure-drop device for coal gas explosion protector |
03/23/1999 | US5884655 Pilot controlled blanketing valve |
03/18/1999 | WO1999013253A1 Overflow valve |
03/18/1999 | WO1999012775A1 Opening device for the gas pressure container of an airbag |
03/18/1999 | DE19741893C1 Arrangement for monitoring media with electrically conducting cables has burst plate in flange followed by a burst signal plate carrying electrical resistance connected to a monitoring device |
03/18/1999 | DE19740711A1 Pressure-relief valve |
03/18/1999 | DE19739375A1 Öffnungsvorrichtung für den Gasdruckbehälter eines Airbags Opening device for the gas pressure of an airbag container |
03/17/1999 | EP0902223A1 Relief valve |
03/17/1999 | CN2310906Y Spring direct acting safety valve with external balance mechanism |
03/16/1999 | CA2065384C Safety cut-out |
03/10/1999 | CN2310218Y Pressure-limiting valve for pressure cooker |
03/10/1999 | CN2310217Y Spring full open type safety valve |
03/10/1999 | CN2310216Y Dead weight type safety valve |
03/10/1999 | CN1210216A Linked valve |
03/10/1999 | CN1209979A 阀结构 Valve structure |
03/10/1999 | CN1042459C Liquid flow-limited control valve |
03/09/1999 | US5878781 Reversing valve and method |
03/09/1999 | US5878778 Elastomeric cut-off valve |
03/09/1999 | US5878770 Pressure release mechanism for heating apparatus using saturated vapor as heating medium |
03/03/1999 | EP0898652A1 Amplified pressure air driven diaphragm pump and pressure relief valve therefor |
03/03/1999 | CN2309470Y Leading gas safety relief valve |
03/02/1999 | US5875629 Return valve for a hydraulic system |
02/25/1999 | WO1999009463A1 Pressure type flow rate control apparatus |
02/25/1999 | WO1999009341A1 Non-flowing modulating pilot valve |
02/25/1999 | WO1999008906A1 Device for letting pressurised gas stream into a safety device |
02/25/1999 | DE19736247A1 Piezoelectric component for activation of mechanical process |
02/25/1999 | DE19735647C1 Hydraulic fluid control for hydraulic servo steering device |
02/24/1999 | EP0898101A1 Rubber safety valve for a wheel rim and a tubeless tyre |
02/24/1999 | EP0898084A1 Hydraulic pressure pilot circuit |
02/24/1999 | CN2308779Y Water pressure linkage gas electromagnetic valve with sealed capsule |
02/24/1999 | CN2308778Y 多功能阀门 Multi-function valve |
02/23/1999 | US5873561 For use in a hydraulic manifold |
02/23/1999 | US5873384 Pressure relief valve for pressure equalization between a closed space and the surrounding atmosphere |
02/23/1999 | CA2036297C Heat-sensitive cut-off for gas conduits and the like, and method of manufacture |
02/18/1999 | WO1999008029A1 Pilot-operated pressure control valve |
02/17/1999 | CN2307971Y Pneumatic safety valve with needle stab film |
02/17/1999 | CN2307970Y Pressure automatic memory valve |
02/17/1999 | CN2307969Y Pressure controlled valve |