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