Patents for F16K 17 - Safety valves; Equalising valves (21,027) |
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07/19/1989 | CN1034047A Forward direction closing safety valve device for automatically shutting gas pipeline passage off during pressure reducing failure |
07/18/1989 | US4848399 First out pneumatic indicator valve |
07/18/1989 | US4848398 Ball gate pressure relief valve |
07/18/1989 | US4848397 High temperature safety relief system |
07/12/1989 | CN2040977U Pressure-relief valve for transformer |
07/11/1989 | US4847599 Fluid leak detector |
07/11/1989 | US4846209 Scuttle valve |
07/11/1989 | US4846208 Closing arrangement for a vent line of a fuel tank |
07/06/1989 | DE3742722A1 Direkt wirkendes sicherheitsventil Direct acting safety valve |
07/04/1989 | US4844113 Fluid flow safety valve |
07/04/1989 | US4844111 High pressure regulator valve |
06/29/1989 | DE3153338C2 Actuating device for a valve |
06/27/1989 | US4843187 Gasket assembly and electrical power transformer including the same |
06/27/1989 | US4842198 Device for damage protection against local flooding caused by sprinkler failure |
06/27/1989 | US4842019 Pressure compensator device for proportional type hydraulic distributor and hydraulic distributor incorporating same |
06/27/1989 | US4842004 Quick-release assembly for rupture disc insert type holder and the like |
06/21/1989 | EP0211074A4 Direct-acting, differential piston relief valve. |
06/20/1989 | US4841287 Earthquake utilities cut-off control system |
06/20/1989 | US4840545 Scroll compressor relief valve |
06/15/1989 | DE3729981A1 Safety device with a guard valve |
06/15/1989 | DE3546557C2 Pressure relief valve |
06/13/1989 | US4839790 Gas accident preventive unit |
06/13/1989 | US4838447 Pressure relief device with conical reverse buckling disc |
06/13/1989 | US4838305 Pressure differential valve |
06/13/1989 | US4838300 Pressure relief cartridge |
06/13/1989 | US4838298 Hydraulic latch device |
06/08/1989 | DE3740084A1 Protective device against unintentional discharge of a pressurised consumable |
06/08/1989 | DE3739969A1 Configuration of a valve plate and valve seat |
06/07/1989 | EP0318978A1 Valve |
06/07/1989 | EP0270547B1 Valve for the addition of water to electrochemical accumulator batteries |
06/07/1989 | CN2038989U Safety pressure reducing valve for liquefied gas |
06/07/1989 | CN2038979U Automatic control energy-saving valve |
06/07/1989 | CN2038978U Pressure maintaining device of acetylene dissolving tank |
06/07/1989 | CN1033305A Limiting pressure value for closing circulation |
06/06/1989 | US4836247 Regulator means for automatically shutting the gas pipeline passage off during pressure reducing failure |
06/06/1989 | US4836240 Pilot-assisted pressure relief valve |
06/01/1989 | DE3902616A1 Gas-cylinder valve with a pipe- or hose-break valve |
06/01/1989 | DE3830075A1 Pressure-relief valve for closed circuits |
05/31/1989 | EP0317702A1 Staged pressure relief assembly |
05/31/1989 | CN2038584U Floating ball type respiratory valve |
05/31/1989 | CN2038583U Automatic control fluid level valve |
05/30/1989 | US4834135 Pressure control valve |
05/30/1989 | US4834131 Safety system for pneumatic tools |
05/24/1989 | CN2038176U Pilot-valve type safety valve |
05/24/1989 | CN2038175U Pressure-controlled valve for inflation |
05/24/1989 | CN1033094A Safety valve for control |
05/23/1989 | CA1254484A1 Non-flowing pressure responsive pilot valve |
05/23/1989 | CA1254483A1 Non-flowing modulating pilot operated relief valve |
05/17/1989 | EP0315971A1 Safety system for pneumatic tools |
05/16/1989 | US4830117 Shut-off device for an automatic sprinkler |
05/16/1989 | US4830115 Valve assembly for sprinkler head |
05/16/1989 | US4830052 Diaphragm safety device with upstream active bursting knife |
05/16/1989 | US4830046 Excess flow control valve |
05/16/1989 | US4830045 Breaker valve |
05/10/1989 | CN2037419U Leader type safe vlave |
05/09/1989 | US4828183 Butterfly valve for fluid flow line |
05/09/1989 | US4828167 Wax-pellet thermostat |
05/09/1989 | US4827966 Pressure equilibrator for gases |
05/09/1989 | US4827963 Heat sensitive shaft locking apparatus and valve using same |
05/09/1989 | US4827962 Safety valve |
05/03/1989 | EP0314577A2 Hot fluid pipeline relief valve |
05/02/1989 | US4825937 Sealing apparatus for automobile radiators |
05/02/1989 | US4825925 Tire deflation system |
05/02/1989 | US4825916 Flow control valve |
05/02/1989 | US4825903 Pressure control valve |
05/02/1989 | US4825897 Flow control valve |
05/02/1989 | US4825893 Socket assembly with fusible element |
04/27/1989 | EP0203090A4 Diverter. |
04/26/1989 | EP0254725B1 Spring-loaded safety valve for gases and vapour |
04/26/1989 | CN1004027B Condensate separator and discharging device |
04/19/1989 | CN2036173U Loading valve spring engaging apparatus |
04/18/1989 | US4821909 Hygienic pressure relief panel unit |
04/18/1989 | US4821817 Actuator for an appliance associated with a ducted body, especially a drill rod |
04/18/1989 | US4821775 One shot valve |
04/18/1989 | US4821759 Earthquake relief valve |
04/12/1989 | CN2035833U Electrically-driven safety valve for alarming |
04/11/1989 | US4820215 Fuel supplying system for outboard motor |
04/11/1989 | US4819823 Safety pressure relief device and method for making the same |
04/11/1989 | US4819688 Volumetric, self-resetting, hydraulic fuse |
04/11/1989 | US4819683 Pressure relief device |
04/11/1989 | CA1252494A1 Quick release valve |
04/11/1989 | CA1252367A1 Automatic control system for water heaters |
04/06/1989 | DE3731662A1 Safety valve |
04/06/1989 | DE3722060A1 Safety valve protective system |
04/05/1989 | EP0310595A2 Regulating valve |
04/05/1989 | CN1003803B Condensate separator and discharging device |
04/04/1989 | US4817665 Safety valve |
04/04/1989 | US4817658 Automatic valve actuator |
04/04/1989 | US4817657 Inertially activated shut-off valve |
03/29/1989 | EP0308875A2 High pressure regulator valve |
03/29/1989 | CN2035033U Automatically-stopping pressure-regulating valve |
03/28/1989 | US4815697 Depressurization valve |
03/21/1989 | US4813445 Apparatus for supplying fuel under negative gravity conditions |
03/15/1989 | CN2034227U Pressure adjustable pressure-limiting valve for pressure cooker |
03/14/1989 | US4811756 Safety valve |
03/14/1989 | US4811752 Auxiliary remote valve actuator |
03/09/1989 | WO1989002047A1 A valve device |
03/08/1989 | EP0306467A1 Automatic cut-off device for a double-walled fluid transporting network |
03/08/1989 | EP0306416A1 Pilot-operated safety valve |
03/08/1989 | EP0306368A1 Pressure compensator valve for a hydraulic proportional directional valve, and hydraulic directional valve comprising it |