| 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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| 03/27/1990 | US4911411 Clean gas valve using a metal-to-metal seal |
| 03/27/1990 | US4911407 Valve seat structure and assembly |
| 03/27/1990 | US4911403 For use with high pressure gas cylinders |
| 03/27/1990 | US4911402 Material handling valve |
| 03/22/1990 | WO1990002883A1 Controlled connector-regulator for the speed regulation of pneumatic jacks |
| 03/22/1990 | DE3908662A1 Safety shut-off devices (safety valves) |
| 03/21/1990 | EP0358922A1 Electromagnetically actuated valve |
| 03/21/1990 | CN2054855U 阀门 Valve |
| 03/21/1990 | CN2054854U Straight foot-petal valve |
| 03/14/1990 | CN2054505U Tongue type valve |
| 03/14/1990 | CN1040428A Dampers with leaf spring seals |
| 03/14/1990 | CN1040423A 减压阀 Valve |
| 03/13/1990 | US4907780 Combined seal and actuator support |
| 03/08/1990 | WO1990002279A1 Seals for gas isolators |
| 03/07/1990 | CN2054120U Butterfly valve base with external control retractility |
| 03/07/1990 | CN2054119U Water tap unable to open at zero-pressure |
| 03/07/1990 | CN2054118U Valve for controlling backwater of atmospheric boiler |
| 03/07/1990 | CN2054117U Running water tap with leak-resisting water-saving and sanitary features |
| 03/07/1990 | CN2054116U 卫生水龙头 Health faucet |
| 03/07/1990 | CN2054115U Safety energy-saving water tap |
| 03/07/1990 | CN2054114U Adjustable gas furnace mouth |
| 03/07/1990 | CN2054113U Running water tap with deflector rod switch |
| 03/06/1990 | US4905966 Seat structure of valves |
| 02/28/1990 | CN2053699U Pneumatic sealed oil valve tap |
| 02/28/1990 | CN2053698U Multifunction valve with flat outlet |
| 02/28/1990 | CN1040086A Extension butterfly controlling valve |
| 02/27/1990 | US4903944 For use with a fluid-driven tool |
| 02/27/1990 | US4903938 Micro flow control valve |
| 02/27/1990 | US4903722 Extraction valve head for tanks |
| 02/27/1990 | CA1266199A1 Damper construction |
| 02/22/1990 | WO1990001650A1 An operating mechanism for double regulating valves |
| 02/22/1990 | DE3828078A1 Pressure-reducing valve |
| 02/21/1990 | CN2053278U Antifreeze tap |
| 02/20/1990 | US4901979 Butterfly valve of inspectable type |
| 02/13/1990 | US4899984 Obturator ring for butterfly valve |
| 02/13/1990 | US4899775 Corrosion-resistant overlay for the edge of butterfly valves |
| 02/07/1990 | EP0354171A2 Butterfly valve and drive mechanism for rotation and reciprocation of the butterfly valve |
| 02/07/1990 | CN2052464U Automatic-control water valve |
| 02/07/1990 | CN2052463U Self-close water tap for water supply cutting off |
| 02/07/1990 | CN2052462U Domestic close valve for cutting off the water |
| 02/06/1990 | US4898363 Butterfly and ball valves |
| 01/31/1990 | CN2052092U Solid-state valve |
| 01/31/1990 | CN2052091U Self-turn off water tap while water stop |
| 01/31/1990 | CN2052090U Cone pneumatic valve |
| 01/31/1990 | CN2052089U Automatic exhaust valve having gas-liquid separation chamber |
| 01/31/1990 | CN2052088U 沥青控制阀 Pitch control valve |
| 01/31/1990 | CN1039294A Multipurpose valve |
| 01/31/1990 | CN1006656B Casing for butterfly valve |
| 01/24/1990 | CN2051719U 燃气控制阀 Gas control valve |
| 01/24/1990 | CN1039094A Radial flow valve assembly |
| 01/24/1990 | CN1039093A Sanitary water tap with self-cleaned handle |
| 01/23/1990 | US4895342 Radial flow valve assembly |
| 01/23/1990 | US4895126 Flow rate control system |
| 01/18/1990 | DE3823734A1 Shut-off device for pipes |
| 01/17/1990 | EP0238487B1 Shut-down valve |
| 01/17/1990 | CN2051319U Rapid cut-off regulating butterfly valve |
| 01/16/1990 | US4893782 Metallic seat for fluid valve |
| 01/10/1990 | EP0350177A1 Fluid control valves |
| 01/09/1990 | US4892287 Valve body with a housing having a cylindrical flow passage |
| 01/09/1990 | CA1264283A1 Anti-leak valving system |
| 01/03/1990 | CN2050515U Movable ball rising-bar type water-feeding valve |
| 01/03/1990 | CN2050514U Magnetic ball valve |
| 01/03/1990 | CN2050513U Pressure bar cool water tap |
| 01/03/1990 | CN2050512U Oil well oil pressure gauge antifreeze valve |
| 01/02/1990 | US4890816 Valve seats |
| 12/28/1989 | WO1989012791A1 Damper device |
| 12/28/1989 | WO1989012775A1 Radial flow valve assembly |
| 12/28/1989 | WO1989012772A1 Multipurpose valve |
| 12/27/1989 | EP0348217A2 A valve assembly |
| 12/27/1989 | EP0348101A2 Valve including a rotatable valve closure member |
| 12/27/1989 | CN2050115U Bent corrosion resisting valve |
| 12/27/1989 | CN2050114U Stop valve for cutting off water |
| 12/27/1989 | CN2050113U Translation type fire hydrant |
| 12/27/1989 | CN2050112U Jaw opening-adjustable high-frequency magnetic valve |
| 12/26/1989 | US4889159 Multipurpose valve |
| 12/21/1989 | DE3818073A1 Shut-off fitting |
| 12/20/1989 | EP0346785A1 Fluid cutoff device in a line |
| 12/20/1989 | CN2049715U 高频电磁阀 High-frequency electromagnetic valve |
| 12/20/1989 | CN1006186B High pressure inverted bellows valve |
| 12/20/1989 | CN1006185B Stem tip seal |
| 12/19/1989 | US4887641 Modified parallel blade damper for an air handling system |
| 12/14/1989 | WO1989012193A1 Dampers with leaf spring seals |
| 12/14/1989 | WO1989012192A1 Valve assembly |
| 12/14/1989 | WO1989011980A1 Swivelling conduit, in particular for the air-conditioning system of the passenger space of a motor vehicle |
| 12/14/1989 | DE3818805A1 Regulating and shut-off device for flowing media, especially rotary cone valve |
| 12/13/1989 | CN1037955A Double-sealed stop valve |
| 12/07/1989 | DE3818700A1 Valve for pipe shut-off devices |
| 12/07/1989 | DE3818448A1 Radial-pressure seal |
| 12/06/1989 | CN2048918U Easy fitting up water tap |
| 12/06/1989 | CN2048917U Automatic draining valve for connector of fire water pump |
| 12/06/1989 | CN2048916U Water draining multifanctional controlling value |
| 11/30/1989 | WO1989011609A1 A fluid flow control valve having an adjustable capacity value |
| 11/29/1989 | CN2048543U Tiltable level self-locking valve |
| 11/29/1989 | CN2048542U 截止阀 Shut-off valve |
| 11/29/1989 | CN2048541U Self-closing water tap |
| 11/29/1989 | CN2048540U Pressure-reducing anti-splash water saving tap |
| 11/29/1989 | CN2048539U Pipe valve solenoid valve |
| 11/22/1989 | CN2048145U Self-closing valve |
| 11/22/1989 | CN2048144U Self-closing valve for liquid |
| 11/22/1989 | CN2048143U Automatic air evacuation valve for wing-type heating radiator |