| Patents for F16K 17 - Safety valves; Equalising valves (21,027) |
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| 03/05/1992 | WO1992003679A1 Safety system for fluid conduit |
| 03/04/1992 | EP0473264A2 Gas pressure control valve cartridge |
| 03/04/1992 | EP0473261A2 Pressure regulating valve |
| 03/04/1992 | EP0472937A1 Shut-off valve |
| 03/04/1992 | EP0472798A2 Pressure-responsive fluid saving device |
| 03/01/1992 | CA2041590A1 High volume fuel vapor release valve |
| 02/26/1992 | CN2097330U Safety distributing valve for kay's nitrogen fixation distiller |
| 02/25/1992 | US5090393 Pressure regulating valve for installation in a vent duct of an internal combustion engine |
| 02/21/1992 | CA2025512A1 Pressure-responsive fluid saving device |
| 02/19/1992 | EP0471142A2 Pressure regulating valve for the installation in a vent conduit of a combustion engine |
| 02/19/1992 | CN1058837A Safety relife valve |
| 02/18/1992 | US5088453 Delivery valve unit on a compensating tank |
| 02/18/1992 | CA1295916C High pressure regulator valve |
| 02/12/1992 | CN2095989U Cup type safety valve of liquefied gas bottle |
| 02/12/1992 | CN2095988U Constant output valve |
| 02/06/1992 | WO1992001888A1 A safety device for gas pipelines |
| 02/06/1992 | WO1992001868A1 Relief valve for a high-pressure pump |
| 02/04/1992 | US5085604 Relief valve for tilt device |
| 02/04/1992 | US5085299 Shock absorber with two seat valve |
| 02/04/1992 | US5085246 Plural-rate surge-suppressing valve |
| 01/29/1992 | CN2094662U Pressure reducing sand expelling valve |
| 01/29/1992 | CN2094661U Pressure release valve |
| 01/29/1992 | CN2094660U Domestic gas burner automatic safety pressure reducing valve |
| 01/24/1992 | CA2046191A1 Safety relief valve |
| 01/22/1992 | CN2093944U Explosion-proof respiration valve of nickel-cadmium cell |
| 01/22/1992 | CN1015325B Means for controlling safety valve |
| 01/21/1992 | US5082133 Low pressure rupture disk and assembly |
| 01/21/1992 | US5082021 Three way valve assembly with pressure compensating valve |
| 01/15/1992 | EP0466352A1 Adjustable air pressure valve |
| 01/15/1992 | EP0465651A1 Pressure control valve |
| 01/15/1992 | CN2093291U Safety valve |
| 01/15/1992 | CN2093290U Built-in valve and safety valve type gas pressure relief device |
| 01/15/1992 | CN2093278U Safety hydrant |
| 01/14/1992 | US5080125 Heat releasable weldment for manual opening jacks and method of field retrofitting |
| 01/14/1992 | US5080124 Rupture disc pressure relief device |
| 01/14/1992 | CA1294345C Electronic controlled gas valve and method |
| 01/08/1992 | EP0464317A1 Pressure valve unit in an expansion tank of a cooling circuit of an internal combustion engine |
| 01/07/1992 | WO1992001184A1 Safety cut-out |
| 01/07/1992 | US5078177 Pop-type relief-valve construction |
| 01/07/1992 | US5078172 Seismic actuator |
| 01/02/1992 | EP0463289A1 Valve, especially for the lubricating oil filter of a combustion engine |
| 01/02/1992 | EP0305379B1 Safety valve |
| 01/01/1992 | CN2092011U Respiratory valve |
| 01/01/1992 | CN2092010U Respiratory high-pressure valve with pressure indication |
| 01/01/1992 | CN2092009U Throttle valve |
| 01/01/1992 | CN2092008U Indicating valve for pressure regulation of engine oil |
| 01/01/1992 | CN2092007U Safety valve |
| 12/31/1991 | US5077018 Rupture disk for depressurization |
| 12/31/1991 | US5076328 Pressure relief valve assembly |
| 12/31/1991 | US5076321 Flow sensitive fluid shutoff safety device |
| 12/31/1991 | US5076313 Fusible plug structure |
| 12/31/1991 | US5076312 Pressure relief device |
| 12/31/1991 | US5076143 Counterbalance valve with a relief function |
| 12/28/1991 | CA2045727A1 Pressure regulating valve |
| 12/27/1991 | EP0462392A1 Hydraulic valve |
| 12/27/1991 | EP0433406A4 Diving regulator demand valve |
| 12/24/1991 | US5074330 Anti-abnormal-pressure/vacuum valve |
| 12/24/1991 | US5074327 Toolless-resetable earthquake triggered gas and fluid cutoff valve |
| 12/19/1991 | CA2042533A1 Hydraulic valve |
| 12/18/1991 | EP0461390A1 Indirectly controller 3/3 way valve |
| 12/18/1991 | CN2090908U Digital locking equalising valve |
| 12/18/1991 | CN1015128B Energy-saving three-way governor valve |
| 12/17/1991 | CA1293172C Fluid pressure regulator |
| 12/12/1991 | WO1991019126A1 Vacuum valve for use in an emergency system for reducing the risk of escape from injuries under the waterline of tankers |
| 12/12/1991 | DE4116410A1 Rock striker valve mechanism - works on piston O=ring principle with adjustable spring acting on piston via spring plate |
| 12/12/1991 | CA2018805A1 Chimney cap unit for extinguishing a starting chimney fire |
| 12/11/1991 | CN2090463U Automatic gas-saving valve |
| 12/11/1991 | CN2090462U 压力释放阀 Pressure relief valve |
| 12/10/1991 | US5071066 Pressure and temperature responsive valve |
| 12/10/1991 | US5070950 Remote controlled actuation device |
| 12/10/1991 | US5070901 Pressure regulating valve apparatus |
| 12/10/1991 | US5070900 Safety valve actuator assembly |
| 12/03/1991 | US5069111 Hydraulic pressure-control device with parallel compression springs |
| 11/27/1991 | EP0458143A2 Shut-off safety valve, especially for gas pressure control installations |
| 11/26/1991 | US5067519 Safety valve for fluid systems |
| 11/26/1991 | US5067511 High presssure fluid emergency shutoff valve |
| 11/26/1991 | US5067510 Adjustable, fusible, manually operable valve lock-open assembly |
| 11/21/1991 | EP0456935A1 Pressure relief panel assembly |
| 11/20/1991 | CN2089108U Pipeline gas pressure regulator |
| 11/20/1991 | CN2089104U Safety ball check valve |
| 11/19/1991 | US5065782 Tank venting control assembly |
| 11/13/1991 | EP0456313A1 Safety valve, particularly for a ventilation conduit of a fuel tank |
| 11/13/1991 | CN2088628U Monitoring gas burning pressure regulator |
| 11/12/1991 | WO1991018230A1 Plastic control valve |
| 11/12/1991 | US5064169 Shock absorbing means for flow control devices |
| 11/12/1991 | US5063958 Burst diaphragm sequence valve |
| 11/06/1991 | EP0455289A1 Valve structure |
| 11/06/1991 | EP0454677A1 Fluid flow controller |
| 11/06/1991 | CN1055987A Pressure-medium-operated valve |
| 11/05/1991 | WO1991016847A1 Hydrostatic drain plug |
| 11/05/1991 | US5062448 Double action check valve |
| 11/05/1991 | US5062440 Tremor-responsive shut-off valve |
| 11/05/1991 | CA2081980A1 Hydrostatic drain plug |
| 11/04/1991 | CA2016120A1 Safety valve for sealed container |
| 10/31/1991 | WO1991016566A1 Safety valve system |
| 10/30/1991 | EP0454644A1 Arrangement in liquide pumps |
| 10/30/1991 | CN2087719U Automatic flow control regulating valve |
| 10/29/1991 | US5060688 Pressure relief valve for pressure equalization between a closed space and the surrounding atmosphere |
| 10/23/1991 | EP0453164A1 Nuclear reactor steam depressurization valve |
| 10/23/1991 | EP0452496A1 Constant flow rate valve |