| Patents for F16K 17 - Safety valves; Equalising valves (21,027) |
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| 05/29/1990 | US4928723 Capacity control valve for a compressor |
| 05/23/1990 | CN2057512U Temp. sensor for valve |
| 05/22/1990 | US4926908 Pressure relief and vacuum vent valve |
| 05/17/1990 | WO1990005259A1 Valve device, particularly a ventilation valve for the vent pipe of a vehicle fuel tank |
| 05/17/1990 | DE3937223A1 Fast-acting quick release valve |
| 05/17/1990 | DE3933997A1 Sleeve assembly preventing spreading of fire in ducts - has combustible double skin filled with swellable granules combined with thermal fuse-controlled spring loaded damper |
| 05/16/1990 | EP0367763A1 Pressure drop hose valve. |
| 05/16/1990 | CN2057255U Indicating pressure regulator for liquefied petroleum |
| 05/10/1990 | DE3920365C1 Quick operating safety cut-out valve - for gas feed line downstream from appts., has closure plates working under spring pressure |
| 05/10/1990 | DE3837982A1 Pressure-relief valve for hydraulic support systems, in particular for use as a rock-burst valve |
| 05/10/1990 | CA2001355A1 Fast-acting quick release valve |
| 05/09/1990 | EP0367461A1 Pressure control valve |
| 05/09/1990 | EP0366874A1 Automatic closing-opening device for plastic gas branch pipeline |
| 05/09/1990 | CA2001222A1 Safety valve for a compression gas cylinder |
| 05/08/1990 | US4922954 Bi-directional pressure relief vent for a fuel tank |
| 05/08/1990 | US4922944 Melting safety device for gas system of hydropneumatic pressure accumulators |
| 05/02/1990 | CN2056721U Low pressure safety overflow valve for liquid filling tank |
| 05/02/1990 | CN1041817A Means for controlling safety valve |
| 05/01/1990 | US4921008 Automatic fluid flow shutoff device |
| 05/01/1990 | US4920999 Air actuated valve system with seismic controller |
| 05/01/1990 | CA1268393A1 Safety relief system for control or vent valves |
| 04/25/1990 | EP0365106A2 Heat sensitive shaft locking apparatus and valve using same |
| 04/25/1990 | EP0364906A2 Thermal safety valve |
| 04/19/1990 | DE3909869C1 Pressure control valve combined with an air guide for an air bubble massaging bath |
| 04/18/1990 | EP0364397A1 Device for the operation of a safety valve |
| 04/18/1990 | EP0363644A2 Gas supply fitting |
| 04/18/1990 | EP0363607A2 Valve apparatus and method |
| 04/18/1990 | CN2056207U Microflow-controlling valve |
| 04/18/1990 | CN2056206U Respiratory valve for oil tank |
| 04/17/1990 | US4917294 Shut-off valve for scald prevention |
| 04/17/1990 | CA1267824A1 Valve seals |
| 04/11/1990 | CN2055891U Safety valve for flow instrument |
| 04/11/1990 | CN2055890U Diaphragm pressure reduction valve |
| 04/11/1990 | CN1007497B Modified safety vented cover for sealed container and method of manufacturing same |
| 04/10/1990 | US4915122 Shock actuated valve |
| 04/04/1990 | EP0361613A1 Pressure control valve |
| 04/04/1990 | CN1041031A Pressure-adjusting method with damping capillary and relevant pressure-controlling valve |
| 04/03/1990 | US4913184 Flow control device |
| 04/03/1990 | US4912965 Rupture disc monitor |
| 04/03/1990 | CA1267395A1 Rotary compressor relief valve |
| 03/28/1990 | EP0359759A1 Arrangement for damping linear movements. |
| 03/28/1990 | CN2055217U Blasting diaphragm type relief valve |
| 03/28/1990 | CN2055216U Self-closing l.p.g pressure regulating valve |
| 03/28/1990 | CN2055215U Bi-automatic cut-off type combustion gas pressure regulator |
| 03/27/1990 | US4911199 For preventing excess flow through a tube |
| 03/27/1990 | US4911194 Thermally-sensitive coupling device |
| 03/27/1990 | US4911192 Method of and apparatus for control of saftey valves |
| 03/27/1990 | US4911029 Shock responsive actuator |
| 03/21/1990 | EP0359193A2 An air drier valve |
| 03/21/1990 | CN2054858U Safety pressure valve |
| 03/20/1990 | US4909276 Pressure responsive valve |
| 03/14/1990 | CN2054512U Pressure regulating heating combined valve |
| 03/14/1990 | CN2054511U Safety throttling valve for water and gas |
| 03/13/1990 | US4907617 Safety valve for a compression gas cylinder |
| 03/08/1990 | WO1990002281A1 Automatic fluid flow shut-off device |
| 03/08/1990 | WO1990002279A1 Seals for gas isolators |
| 03/07/1990 | EP0356441A1 Hydraulic pressure-regulating device, in particular for powershift gearbox in motor vehicles. |
| 03/06/1990 | US4905727 Non-flowing modulating pilot operated relief valve |
| 03/06/1990 | US4905723 High pressure regulator |
| 03/06/1990 | US4905722 Composite rupture disk assembly |
| 02/28/1990 | CN2053706U Automatic liquid store and supply valve of liquid container |
| 02/28/1990 | CN2053703U Silicone rubber sleeve safety valve |
| 02/28/1990 | CN2053702U Timed controller for automatic gas cut-off explosion-proof equipment |
| 02/27/1990 | US4903720 Safety shut off device |
| 02/22/1990 | WO1990001626A1 Shut off/pressure regulating valve for turbine engine |
| 02/22/1990 | DE3827943A1 Releaseable lock for a tappet that can be moved into or out of engagement in the case of a fault or emergency and can be positioned against spring pressure or is under spring pressure |
| 02/21/1990 | CN2053282U Bimetallic drainage valve |
| 02/21/1990 | CN1039880A Controlling valve of compressor |
| 02/20/1990 | CA1266010A1 Pressure release vent |
| 02/20/1990 | CA1265993A1 Tubing isolation disc valve |
| 02/13/1990 | US4899979 Bleeder valve assembly |
| 02/13/1990 | US4899777 Thermally activated pressure relief plug |
| 02/13/1990 | US4899773 Valve apparatus and method |
| 02/08/1990 | DE3823444C1 Thermally triggered shut-off device |
| 02/07/1990 | CN2052468U Vacuum regulator |
| 02/07/1990 | CN1039476A Flow controlling valve with pressure compensation function |
| 01/31/1990 | CN2052095U Pressure-reducing valve with big overflow |
| 01/31/1990 | CN1006658B Gas controller of gas fittings |
| 01/30/1990 | US4896694 Pressure-limiting valve |
| 01/30/1990 | US4896690 Pressure and thermal relief valve |
| 01/30/1990 | US4896689 Cylinder pressure relief valve |
| 01/30/1990 | CA1265172A1 Integrated three way and isolation solenoid valve |
| 01/30/1990 | CA1265042A1 Method and apparatus for batch carbonating |
| 01/25/1990 | WO1990000494A1 Control system for the hydraulic tilt function of a marine engine |
| 01/17/1990 | EP0350721A2 Flow limiter |
| 01/17/1990 | EP0350565A2 Melting safety device for a hydropneumatic accumulator gas system |
| 01/16/1990 | US4893648 Control valve |
| 01/16/1990 | US4893646 Fluid pressure regulator |
| 01/11/1990 | DE3840331A1 Flow limiter |
| 01/11/1990 | DE3840330A1 Flow limiter |
| 01/11/1990 | DE3823368A1 Flow-limiter |
| 01/11/1990 | DE3822789A1 Automatic throttle valve for limiting volume flow |
| 01/02/1990 | US4890641 Frictional damper suitable for pressure relief valves |
| 01/02/1990 | US4890639 Pressure regulating valve |
| 01/02/1990 | US4890635 Fire control valve |
| 01/02/1990 | CA1264141A1 Relieving valve with surge control for fluid storage tank |
| 12/28/1989 | DE3901586A1 Zusammengesetzte berstscheiben-vorrichtung und berstteil dafuer Composite bursting discs-device and blow-out portion for it |
| 12/27/1989 | EP0348035A2 High temperature safety relief system |
| 12/26/1989 | US4889154 Automatic shut-off valve |
| 12/26/1989 | US4889151 Snap action pressure relief valve with over pressure indicator |