| 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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| 02/06/1991 | CN2070842U Oil pressure type gas adjusting valve |
| 02/06/1991 | CN2070841U Linking type automatic exhausting valve |
| 02/05/1991 | US4989832 Valve arrangement for filling and emptying a gas container |
| 01/30/1991 | EP0410871A1 Rotary throttling device for a fuel supply system of an internal combustion engine |
| 01/30/1991 | CN2070384U Steam locomotive adjusting valve |
| 01/30/1991 | CN2070383U Steel pot safety valve |
| 01/30/1991 | CN2070382U Multistage throttle universal stop valve |
| 01/30/1991 | CN2070381U Corrosion-resistant adjusting valve |
| 01/30/1991 | CN2070380U Multi-function water-saving valve |
| 01/29/1991 | US4988078 High flow rate miniature valve |
| 01/29/1991 | US4988076 Valves having a turnable closure member such as a butterfly valve |
| 01/29/1991 | CA1279552C Control stop for flushing system |
| 01/23/1991 | EP0409373A1 Apparatus for inserting valve seats in valve bodies |
| 01/23/1991 | CN2069950U Corrosion resistant safety diaphragm valve |
| 01/23/1991 | CN2069949U Vertical air-bleeding check valve |
| 01/23/1991 | CN2069948U Push-pull tap water valve |
| 01/22/1991 | US4986516 Sealing shutter for a shaft furnace |
| 01/22/1991 | US4986297 Valve |
| 01/21/1991 | CA2010473A1 Apparatus for inserting valve seats in valve bodies |
| 01/16/1991 | CN2069509U Differential pressure self-sealing type water-saving valve |
| 01/16/1991 | CN2069508U Automatic exhaust valve for heating radiator |
| 01/16/1991 | CN1048589A 水龙头 Faucet |
| 01/16/1991 | CN1048588A Multifunction full plastics and concealed water tap |
| 01/16/1991 | CN1048515A Countergravity casting apparatus and method with magnetically actuated valve to prevent molten metal run-out |
| 01/10/1991 | WO1991000458A1 Butterfly valve method and apparatus employing variably positionable pivot shaft |
| 01/10/1991 | WO1991000457A1 Balanced-torque butterfly valve |
| 01/10/1991 | WO1991000456A1 Butterfly valve method and apparatus |
| 01/10/1991 | WO1991000455A1 Butterfly valve method and apparatus |
| 01/10/1991 | WO1991000454A1 Butterfly valve method and apparatus |
| 01/10/1991 | WO1991000453A1 Butterfly valve with intra-shaft actuator means |
| 01/10/1991 | WO1991000452A1 Butterfly valves with actuators carried on valve plate |
| 01/10/1991 | WO1991000451A1 Butterfly valve apparatus and method |
| 01/10/1991 | WO1991000450A1 Butterfly valve apparatus and method |
| 01/10/1991 | WO1991000449A1 Butterfly valve apparatus and method |
| 01/10/1991 | DE3920475A1 Seal formed from generating surface - is fitted on axle, has reinforcement, and is positioned in groove of valve closure piece |
| 01/09/1991 | EP0406559A2 Countergravity casting apparatus and method with magnetically actuated valve to prevent molten metal run-out |
| 01/09/1991 | CN1048442A Technology of applying high polymer in planar valve and sealing elements |
| 01/06/1991 | CA2016810A1 Countergravity casting apparatus and method with magnetically actuated valve to prevent molten metal run-out |
| 01/02/1991 | CN2068624U Small torque eccentric sealing butterfly bamper |
| 01/02/1991 | CN2068623U 截止阀 Shut-off valve |
| 01/02/1991 | CN2068622U Shape memory alloy self-controlling thermostatic switch valve |
| 01/02/1991 | CN1048255A Motor-driven valve |
| 01/01/1991 | US4981283 Connection for servo operated valve |
| 12/31/1990 | WO1991000463A1 Butterfly-type check valve |
| 12/31/1990 | WO1991000459A1 Flight craft with fluid systems which incorporate butterfly valves, and butterfly valve methods and apparatus |
| 12/31/1990 | CA2060311A1 Flight craft with fluid systems which incorporate butterfly valves, and butterfly valve methods and apparatus |
| 12/31/1990 | CA2058629A1 Butterfly-type check valve |
| 12/27/1990 | WO1990015947A1 Inflatable valve |
| 12/27/1990 | WO1990015945A1 Isolators |
| 12/27/1990 | WO1990015944A2 Throttling valve |
| 12/27/1990 | EP0404401A1 Fluid valve |
| 12/26/1990 | CN2068179U Random pressure boost seal butterfly gate |
| 12/26/1990 | CN2068178U Water-cutting self-stop valve |
| 12/26/1990 | CN2068177U 定时阀 Valve timing |
| 12/26/1990 | CN2068176U Multi-functional water-saving tap |
| 12/26/1990 | CN2068175U Water-cutting self-stop valve |
| 12/26/1990 | CN2068174U Water-cutting self-stop valve |
| 12/26/1990 | CN2068173U Automati switching feedwater valve |
| 12/26/1990 | CN1048093A Improved throttling valve |
| 12/20/1990 | DE3919316A1 Hydraulic valve body screwed into housing - incorporates counter screw to ensure good sealing |
| 12/20/1990 | DE3919235A1 Large flap valve with sealing spring acting on sealing surface - has sealing spring formed as spring packet comprising several single springs of stepped lengths |
| 12/20/1990 | DE3919234A1 Flap valve with sealing spring - has sealing spring, with valve closed, displaced by inclined sealing surface against action of tensioning spring |
| 12/20/1990 | DE3919212A1 Large flap valve sealing spring - acts on sealing surface and has pre-curved sealing spring straightened on assembly by tensioning spring |
| 12/20/1990 | DE3919211A1 Spring acting on sealing surface - has sealing force of tensioning spring controlled by adjustable support, that limits spring displacement when closing valve |
| 12/19/1990 | CN2067779U Water tap without water leakage |
| 12/19/1990 | CN2067778U Piston type automatic deflating valve for water heating system |
| 12/19/1990 | CN2067777U Water saving tap |
| 12/19/1990 | CN2067587U Open-limiting hydrant and its matching branch |
| 12/19/1990 | CN1010874B Liquid gas cylinder valve device |
| 12/18/1990 | US4977919 Flow control valve |
| 12/18/1990 | US4977791 Flap lever system for rotary flaps |
| 12/18/1990 | CA1277966C Syphon assembly and apparatus for storing and dispensing fluids under pressure |
| 12/14/1990 | CA2016800A1 Throttling valve |
| 12/13/1990 | WO1990014990A1 Diving regulator demand valve |
| 12/12/1990 | EP0401921A1 Automatic opening, dosing and closing valve |
| 12/12/1990 | EP0401607A1 Method for manufacturing a microvalve and microvalve |
| 12/12/1990 | CN2067342U Self-cut-off tap |
| 12/12/1990 | CN2067341U Sanitary splash-proof tap |
| 12/12/1990 | CN1047726A Faucet and shutoff valve for saving water |
| 12/11/1990 | US4976404 Flow control valve |
| 12/11/1990 | CA1277569C Radiator valve incorporating presetting means |
| 12/11/1990 | CA1277536C Gasketless air damper |
| 12/09/1990 | CA2018465A1 Automatic opening, dosing and closing valve |
| 12/05/1990 | EP0401072A1 Valve assembly for a packing under fluid pressure and packing provided with such an assembly |
| 12/05/1990 | EP0400846A2 Valves for fluids |
| 12/05/1990 | CN2066920U Flange split type central line butterfly valve |
| 12/05/1990 | CN2066919U Rapid fixing butterfly valve |
| 12/05/1990 | CN2066918U Sound deadening automatic lift valve |
| 12/05/1990 | CN2066917U Button type water tap |
| 11/29/1990 | WO1990014537A1 Check valve |
| 11/29/1990 | WO1990014536A1 Valve for connection to a pressurized water main |
| 11/29/1990 | DE3916885A1 Absperrventil Shut-off valve |
| 11/28/1990 | EP0399625A1 Valve |
| 11/28/1990 | EP0146568B1 A valve seal suitable for cryogenic service |
| 11/28/1990 | CN2066537U Cut-off valve |
| 11/28/1990 | CN2066536U Key type relief pressure self-controlling safe water saving tap |
| 11/28/1990 | CN2066535U Water tap |
| 11/27/1990 | CA1276925C Sealing device for throttle valves |
| 11/21/1990 | CN2066095U Safety valve of tap |
| 11/21/1990 | CN2066094U Dual-pass angle high-pressure throttle stop valve |