| Patents for F16K 17 - Safety valves; Equalising valves (21,027) |
|---|
| 02/15/1991 | CA2059543A1 Multi-function valve |
| 02/13/1991 | EP0412861A1 Relief valve for hydraulic circuits |
| 02/13/1991 | CN2071282U Automatic balance valve |
| 02/12/1991 | US4991615 Tank pressure control apparatus |
| 02/12/1991 | CA1280001C Cryogenic refrigerator with externally adjustable by-pass/relief valve |
| 02/07/1991 | DE3932900A1 Thermal valve in gas or fluid pipe - has closure piece pressed by spring against valve seating formed by metal nozzle, and intermediate piece |
| 02/07/1991 | DE3922894A1 Hydraulic pressure relief valve |
| 02/06/1991 | EP0356441B1 Hydraulic pressure-regulating device, in particular for powershift gearbox in motor vehicles |
| 02/06/1991 | CN2070853U Ajdusting valve for lever piston |
| 02/06/1991 | CN2070852U Magnetic force safety valve for boiler |
| 02/05/1991 | US4990247 Relief valve for liquid filter |
| 02/05/1991 | US4989627 Thermal fuse valve |
| 01/30/1991 | EP0410545A1 High pressure fluid pump with poppet valve |
| 01/30/1991 | EP0409907A1 Pressure relief device, and method |
| 01/30/1991 | CN2070389U User flow capacity self-control valve |
| 01/30/1991 | CN2070388U Pressure cabin exhaust valve |
| 01/29/1991 | CA1279551C Pilot-controlled pressure-limiting valve |
| 01/29/1991 | CA1279550C Backflow preventing device |
| 01/23/1991 | CN2069959U Multi-functional domestic plg pressure regulator |
| 01/23/1991 | CN2069958U Automatic two-way stabilized voltage multi-functional jetting device |
| 01/23/1991 | CN1048746A Multifunctional device for automatic bidirectional air-injection with stable pressure |
| 01/23/1991 | CN1011330B Valve for addition of water to electrochemical accumulator batteries |
| 01/22/1991 | US4986512 Servo piston valve |
| 01/18/1991 | WO1991001465A1 Combination air vent and overpressure valve |
| 01/18/1991 | CA2063836A1 Combination air vent and overpressure valve |
| 01/15/1991 | CA1278973C Pressure relief device with conical reverse buckling disc |
| 01/09/1991 | CN2069057U 蝶阀型平衡阀 Butterfly Valves Type |
| 01/02/1991 | EP0405684A1 Protection device against overpressure |
| 01/02/1991 | CN2068629U Small oxygen feeder |
| 01/02/1991 | CN1011056B Guarantee valve for pressurized support movement |
| 01/02/1991 | CA1278492C Safety relief valve |
| 01/01/1991 | US4981281 Solenoid controlled fluid flow valve |
| 01/01/1991 | US4981261 Shut-off valve for scald prevention |
| 01/01/1991 | US4981157 Shut off valve |
| 12/26/1990 | CN2068182U Spraying-proof fusible plug |
| 12/26/1990 | CN2068181U Gas liquid-sealed pressure-control device |
| 12/25/1990 | US4979675 Pressure control valve |
| 12/25/1990 | US4979540 Cartridge-type direct loaded safety and pressure-relief valve having flow path for preventing supersonic flow and minimizing valve hysteresis |
| 12/25/1990 | US4979528 For shutting off fluid flow in a fluid conduit |
| 12/19/1990 | CN1047928A Multifunctional domestic lpg pressure regulator |
| 12/18/1990 | US4978947 Rupture disk assembly |
| 12/18/1990 | US4977925 Safety valve |
| 12/18/1990 | US4977918 For a fluid containing vessel |
| 12/13/1990 | WO1990015252A1 Low pressure recirculation valve |
| 12/13/1990 | WO1990014990A1 Diving regulator demand valve |
| 12/13/1990 | DE3919033A1 Vehicle fire prevention system - has temp. sensor to closed valve in fuel line and prevent ignition in tank |
| 12/12/1990 | EP0402215A1 Liquid column safety valve for tight enclosure |
| 12/12/1990 | CN2067344U Improved pressure adjuster |
| 12/11/1990 | US4976283 Fluid flow regulator |
| 12/11/1990 | US4976281 Safety valve assembly for fluid system |
| 12/11/1990 | CA1277570C Roll-over valve |
| 12/05/1990 | EP0400818A1 Rupturable fluid flow indicator |
| 12/05/1990 | EP0400395A2 Shock absorber |
| 12/05/1990 | CN2066924U Rotary ring type non-pressure automatic non-discharge closing valve |
| 12/04/1990 | US4974631 Dome pressure maintaining valve |
| 12/04/1990 | US4974630 Gas pressure regulator having side-drafted throttling means |
| 12/04/1990 | US4974624 Gas shut-off device |
| 12/04/1990 | US4974623 Heat-sensitive cut-off for gas conduits and the like, and method of manufacture |
| 12/04/1990 | CA1277203C Excess pressure valve for a boiler of a steamer for the steam treatmentof food |
| 12/04/1990 | CA1277202C Self-regulating valve |
| 12/01/1990 | WO1990015275A1 Fluid mixing apparatus for producing variably carbonated water |
| 11/30/1990 | CA2016448A1 Low pressure recirculation valve |
| 11/28/1990 | CN2066542U Liquid inclined rod balance valve |
| 11/28/1990 | CN2066541U Adjustable static relief pressure valve |
| 11/28/1990 | CN1047374A Boost modified, drop compensated direct acting pressure regulator |
| 11/27/1990 | US4972965 Protective device for gas pressure vessels |
| 11/22/1990 | EP0398858A2 Boost modified, droop compensated direct acting pressure regulator |
| 11/22/1990 | EP0398003A1 Device for closing pipelines of temperature-sensitive media, especially gas pipelines |
| 11/22/1990 | DE3916260A1 Small pressure restricting valve with high rate of flow - has tubular sleeve forming valve piston containing interconnecting throttle bore |
| 11/21/1990 | CN1047165A Housings with safety pressure relief means thereon |
| 11/20/1990 | WO1990014500A1 Pressure limiting valve with stepped or double piston |
| 11/20/1990 | US4971094 Safety valve system |
| 11/20/1990 | US4970936 Gas reservoir actuation device |
| 11/20/1990 | CA2033066A1 Pressure limiting valve with stepped or double piston |
| 11/20/1990 | CA1276521C Fluid flow control valve |
| 11/15/1990 | WO1990013765A1 Safety valve |
| 11/15/1990 | CA2016694A1 Boost modified, droop compensated direct acting pressure regulator |
| 11/13/1990 | US4969482 Emergency fuel shut-off valve |
| 11/07/1990 | EP0396500A1 Apparatus for protecting pressurized-gas containers |
| 11/07/1990 | CN2065272U Externally-regulating energy-saving pressure reducing valve for liquefied petroleum gas |
| 11/06/1990 | CA1275990C Thermally activated trigger device |
| 11/06/1990 | CA1275908C Combined gas pressure regulator and shut off valve |
| 11/05/1990 | CA2016072A1 Plastic reverse-buckling rupture disk |
| 11/01/1990 | WO1990012973A1 Counterbalance valve |
| 10/31/1990 | EP0395574A1 Pressure fluid actuated valve |
| 10/31/1990 | EP0395318A2 Safety pressure relief device for pressure vessels |
| 10/31/1990 | CN1046590A Guiding gas-pressure controlling valve |
| 10/28/1990 | CA2015662A1 Safety valve |
| 10/25/1990 | DE3912969A1 Spring loaded safety valve with housing - has valve seating, with block on spindle on which is spring between top and bottom sprung plate |
| 10/25/1990 | DE3912779A1 Pressure restricting valve for hydrostatic gearbox in closed circuit - incorporates hollow adjustment screw whose protruding end has closure screw |
| 10/24/1990 | EP0256113B1 Fluid-flow isolation and control apparatus |
| 10/23/1990 | US4964421 Water saver valve |
| 10/18/1990 | WO1990012234A1 Valves |
| 10/18/1990 | WO1990012232A1 Valve for pressure medium |
| 10/17/1990 | EP0392042A1 Corrosion resistant enameled valve |
| 10/17/1990 | CN2063999U Adjustable stepped fixed pressure valve |
| 10/16/1990 | US4962831 Apparatus for controlling lubricating oil fires due to oil line failure |
| 10/16/1990 | US4962548 Valve assembly |
| 10/11/1990 | DE3911588A1 Device for shutting off gas supply lines to ensure safety |
| 10/11/1990 | CA2014231A1 Corrosion resistant enameled valve |