| Patents for F16K 1 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces (29,799) |
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| 05/22/1991 | CN2077503U Water inlet valve for gas heater of water |
| 05/22/1991 | CN2077502U Water-saving valve |
| 05/22/1991 | CN1012652B Shut-off valve for fluids |
| 05/21/1991 | CA1284314C Quick-action valve |
| 05/15/1991 | EP0426985A2 Butterfly valve for the control of the irrigation reels |
| 05/09/1991 | CA2028180A1 Flexible valve seat apparatus |
| 05/08/1991 | EP0425819A2 Bottle valve for pressure vessels containing high toxic subject matter |
| 05/08/1991 | CN2076627U Multipurpose valve for sealing and stopping |
| 05/08/1991 | CN2076626U Full-plastic reinforced stop valve |
| 05/01/1991 | CN2076193U Double-ecentric butterfly valve with metal rigid seal |
| 05/01/1991 | CN2076192U Mechanically posioning butterfly valve with lock |
| 05/01/1991 | CN2076191U Mechanical closed-open type moving valve unit |
| 05/01/1991 | CN1051074A Multi-fork valve |
| 04/24/1991 | EP0424197A1 Butterfly valve |
| 04/24/1991 | EP0424081A1 Perfluoroelastomer seal |
| 04/24/1991 | EP0423169A1 Damper device |
| 04/24/1991 | CN2075733U Automatic seal butterfly valve |
| 04/24/1991 | CN2075732U Foot water saving valve |
| 04/24/1991 | CN2075731U Fire-proof and wind-exhaust valve |
| 04/23/1991 | US5009398 Device for reducing the stresses on a sealing shutter |
| 04/18/1991 | WO1991005190A1 Dispensing valve |
| 04/18/1991 | CA2027873A1 Perfluoroelastomer seal |
| 04/17/1991 | EP0421993A1 A valve device |
| 04/17/1991 | CN2075283U Corrosion resisting eccentricity butterfly valve |
| 04/17/1991 | CN2075282U 柱塞阀 Plunger valve |
| 04/16/1991 | US5007614 Pressure responsive two-way shut-off valve |
| 04/16/1991 | US5007613 Valve and actuator apparatus allowing multiposition relationship |
| 04/16/1991 | US5007456 Closing arrangement for ducts having large cross-sectional areas, particularly flue gas ducts |
| 04/10/1991 | CN2074846U Water heating automatic exhausting valve |
| 04/10/1991 | CN2074845U 自动关闭节水阀门 Automatic shut-saving valve |
| 04/10/1991 | CN2074844U High-tmep. two-way type seat board valve |
| 04/10/1991 | CN2074843U Temp. control closing valve |
| 04/09/1991 | US5005804 Balanced-torque butterfly valve |
| 04/09/1991 | US5005602 Poppet valve assembly |
| 04/09/1991 | CA1282653C Fluid cylinder cushioning system |
| 04/07/1991 | WO1991005707A2 Stop cock for a liquid container |
| 04/07/1991 | CA2065360A1 Stop cock for a liquid container |
| 04/04/1991 | WO1991004431A1 Quick opening and closing valve |
| 04/03/1991 | EP0420353A2 Valve, an inflatable body with such a valve, and a packaging |
| 04/03/1991 | CN2074404U New structure of small stop valve and throttle valve |
| 04/03/1991 | CN2074403U Usage-extending valve for household gas water-heater |
| 04/03/1991 | CN2074402U Water-saving hydraulic foot valve |
| 04/03/1991 | CN2074401U Electromagnetic lever-type discharge valve |
| 04/02/1991 | US5004011 Position indicating control valve |
| 03/28/1991 | DE3930780A1 Shut=off valve with elastomer lining - has dimensionally stable rings placed in lining which forms flange seal |
| 03/27/1991 | EP0418957A2 Valve unit for metering a liquid pigment |
| 03/27/1991 | EP0418557A1 Shut off valve |
| 03/27/1991 | EP0418293A1 Valve assembly |
| 03/27/1991 | CN2073958U Plastic hydrodynemic valve with diaphragm |
| 03/27/1991 | CN1012207B Double block and vent system |
| 03/20/1991 | EP0417131A1 Swivelling conduit, in particular for the air-conditioning system of the passenger space of a motor vehicle. |
| 03/20/1991 | CN2073514U Automatic controlling and water-saving valve with safty |
| 03/20/1991 | CN2073513U Automatically gas-exhausting cut-off valves using float |
| 03/19/1991 | US5000422 Incinerator valve |
| 03/19/1991 | US5000215 Bellows seal for valves and the like |
| 03/19/1991 | US5000213 Butterfly valve method and apparatus |
| 03/19/1991 | US5000212 Butterfly valve method and apparatus employing variably positionable pivot shaft |
| 03/14/1991 | DE4000985A1 Seal for conical seating in housing - has sealing surface forming part of conical section, with grooves |
| 03/13/1991 | EP0416788A1 Reversible poppet valve cartridge |
| 03/13/1991 | CN2073056U Manual elastic capping valve |
| 03/13/1991 | CN2073055U Self-controlled water-saving valve |
| 03/13/1991 | CN2073054U Self-controlled water tap |
| 03/12/1991 | US4998708 Butterfly valve with a sealing element of elastomeric material with an internal metal reinforcement |
| 03/12/1991 | CA1281256C Adjustable differential flow shuttle valve |
| 03/07/1991 | WO1991002694A1 A valve arrangement |
| 03/06/1991 | EP0414789A1 A fluid flow control valve having an adjustable capacity value |
| 03/06/1991 | EP0414720A1 Metallic seat for fluid valve |
| 03/06/1991 | EP0224516B1 Closure element for pipelines |
| 03/06/1991 | CN2072621U Hygiene tap |
| 03/06/1991 | CN1011908B Leakless valve device |
| 03/06/1991 | CA2023374A1 Reversible poppet valve cartridge |
| 03/05/1991 | US4996769 Method of fitting a butterfly valve on a slotted shaft |
| 03/05/1991 | CA1281020C Seal ring shutoff stem tip |
| 03/02/1991 | WO1991003621A1 Pressure limiting valve with teflon seal |
| 02/27/1991 | EP0413944A1 Butterfly valve for pipes of greater nominal width |
| 02/27/1991 | CN2072177U Dual-purpose valve with retaining valve disc |
| 02/27/1991 | CN2072176U Small pressure-gradient type high, ultra-high hydraulic stop valve |
| 02/27/1991 | CN2072175U Constant-pressure energy-saving check valve |
| 02/27/1991 | CN2072174U Water saving tap with mobile valve spool |
| 02/27/1991 | CN2072173U Automatic closing type water tap |
| 02/27/1991 | CN2072172U Automatic sluice valve |
| 02/27/1991 | CN2072171U Water tap |
| 02/26/1991 | US4995414 Butterfly valve method and apparatus |
| 02/20/1991 | CN2071727U Automatic tap for household water tank |
| 02/20/1991 | CN2071726U Three-way two-adjustion stop valve |
| 02/20/1991 | CN2071725U Automatic stop valve |
| 02/20/1991 | CN1049403A 阀门 Valve |
| 02/20/1991 | CN1011735B Button type full-sealed high-speed opening and closing shutoff valve |
| 02/19/1991 | US4993451 Valve for gas cylinders |
| 02/19/1991 | CA1280336C Control valve |
| 02/17/1991 | WO1991002914A1 Closure |
| 02/17/1991 | CA2059667A1 Closure |
| 02/14/1991 | DE3926510A1 Locking valve with housing with hole - has shaft penetrating the hole, with valve fixed to guide pad and eccentric disc |
| 02/13/1991 | EP0412736A1 Diverter valve |
| 02/13/1991 | EP0412229A1 Thermally stable sealing device for a butterfly valve |
| 02/13/1991 | CN2071279U Automatic exhaust valve for cast iron radiator |
| 02/13/1991 | CN2071278U Cut-off self closing power saving valve |
| 02/13/1991 | CN2071277U Multifunctional safety valve for running water |
| 02/13/1991 | CN2071276U Water saving stop valve |
| 02/06/1991 | CN2070843U Taper profile sealing type butterfly valve |