| 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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| 08/14/1990 | US4948091 Motor-operated valve |
| 08/13/1990 | CA2009819A1 Louver dampers for use in gas turbines exhaust systems and having blades protected against becoming warped |
| 08/09/1990 | DE3935584C1 Extruder regulating valve system - has pre-adjustment device with calibration scale |
| 08/08/1990 | EP0381561A1 Method for mounting a butterfly choke valve on a split spindle |
| 08/07/1990 | US4945949 Reduce height dust valve |
| 08/01/1990 | CN2059953U Automatic safety water-saving valve |
| 08/01/1990 | CN2059952U Self-closed valve for stopping water |
| 07/31/1990 | US4944490 Shaftless butterfly valve |
| 07/31/1990 | US4944489 Rotary valve and seal |
| 07/26/1990 | WO1990008274A1 Cut-off or control fitting |
| 07/25/1990 | CN1044160A Non-rising stem valve assembly and method of replacing permanent seal |
| 07/24/1990 | US4943033 Flow control valve |
| 07/24/1990 | US4942901 Fluid cutoff device in a fluid line |
| 07/18/1990 | EP0378342A1 Valves having a turnable closure member such as a butterfly valve |
| 07/18/1990 | EP0378311A2 Control valve |
| 07/18/1990 | EP0377945A1 Non-rising stem valve assembly and method of replacing a permanent seal |
| 07/18/1990 | CN2059472U Spring water nozzle with self-controlled flow |
| 07/18/1990 | CN2059471U Air-controlled manual stop valve |
| 07/18/1990 | CN1043986A Sealing shutter for shaft furnace |
| 07/18/1990 | CN1043984A Flexible valve |
| 07/17/1990 | US4941504 Manual fluid-control valve with limited closing pressure |
| 07/11/1990 | CN2059204U Self closing water tap on water cut-off |
| 07/11/1990 | CN1043747A Device for reducing the stresses on sealing shutter |
| 07/05/1990 | DE3844306A1 Hydrostatic differential lock for motor vehicles |
| 07/04/1990 | CN2058949U Safety water valve |
| 07/03/1990 | US4938226 Method and an apparatus for measuring blood pressure |
| 07/03/1990 | CA1271180A1 Universal butterfly type valve, and its manufacture |
| 06/28/1990 | DE3843064A1 Tubular shut-off fitting with a pivoted flap |
| 06/27/1990 | EP0375532A1 2-Way valve to be installed downstream in a fluid distribution pig pipe-line |
| 06/27/1990 | EP0374644A1 Quick-acting valve system |
| 06/27/1990 | EP0374493A1 Gas bottle valve |
| 06/27/1990 | CN2058710U Duct-type pneumatic valve |
| 06/27/1990 | CN2058709U Automatic discharge valve |
| 06/27/1990 | CN2058708U 可控式自动水龙头 Controlled automatic faucet |
| 06/27/1990 | CN2058707U Shutoff valve |
| 06/21/1990 | DE3842565A1 Shut-off valve for fluids |
| 06/20/1990 | EP0373178A1 Antireflux ureteral duct with dynamic hood valve at the vesical end. |
| 06/20/1990 | CN2058441U Safety water-saving tap |
| 06/19/1990 | US4934408 Ball valve |
| 06/14/1990 | WO1990006460A1 Seals for gas isolators |
| 06/13/1990 | EP0372279A1 Valve arrangement for filling and draining a gas container |
| 06/13/1990 | EP0270451B1 Top entry butterfly valve |
| 06/13/1990 | CN2058220U Gas valve with high hermetization |
| 06/12/1990 | US4932437 Louver dampers for use in gas turbines exhaust systems and having blades protected against becoming warped |
| 06/12/1990 | US4932429 Screw stopper including anti-freeze device used for water pipe valve |
| 06/06/1990 | CN2057982U Self-controlled water valve |
| 06/06/1990 | CN2057981U Float-type water-saving tap |
| 06/06/1990 | CN2057980U Self cleaning-handle and hand-touched surface hygienic tap |
| 06/06/1990 | CN1042765A Electricity-saving multi-function electromagnetic valve |
| 05/31/1990 | DE3938441A1 Drain cock for domestic water pipes - consists of valve housing with screw lid and spindle |
| 05/30/1990 | CN1042593A 隔膜阀 Diaphragm |
| 05/30/1990 | CN1042592A Jarlike valves |
| 05/29/1990 | US4928919 Stop valve |
| 05/23/1990 | EP0369600A1 Stop valve |
| 05/23/1990 | CN2057490U Fluid closing type tap and multipurpose valve for bath temp.-regulating |
| 05/23/1990 | CN2057489U Automatic freeze-proof water valve |
| 05/17/1990 | WO1990005257A1 Shaftless butterfly valve |
| 05/17/1990 | DE3829726A1 Pilot-controlled pressure-shock auxiliary outlet valve |
| 05/16/1990 | EP0144370B1 Flow regulator and its use |
| 05/16/1990 | CN2057251U Automatic cut-off water safety valve |
| 05/16/1990 | CN2057250U High pressure stop valve |
| 05/15/1990 | CA1269086A1 Plastic lined diaphragm valve |
| 05/15/1990 | CA1269085A1 Quarter turn valve |
| 05/09/1990 | EP0277134B1 Fast-operating valve |
| 05/09/1990 | CN2056964U Check valve for oil fume or smoke extractor |
| 05/08/1990 | US4923173 Seating seal means for disc-type valve |
| 05/08/1990 | US4922957 Valve with replaceable seal element |
| 05/02/1990 | EP0365746A1 Shut-off device for conduits having a large cross-section, especially flue gas conduits |
| 05/02/1990 | CN2056715U Membrane flow valve for corrosive gas or liquid |
| 05/01/1990 | US4921212 Hybrid butterfly valve |
| 05/01/1990 | US4921003 Shut-down valve |
| 04/26/1990 | DE3835944A1 Cut-off valve with leakage protection facility |
| 04/26/1990 | DE3835820A1 Shut-off flap |
| 04/25/1990 | CN2056470U Tap water valve with air pressure controlled cut-off device |
| 04/24/1990 | US4919169 Gas flow diverter |
| 04/18/1990 | EP0364308A2 Linear actuators and linear drive systems |
| 04/18/1990 | EP0364108A1 Transmission assembly for use with double block and bleed system |
| 04/18/1990 | CN1007653B Valve |
| 04/17/1990 | US4917355 Stop valve |
| 04/17/1990 | US4917350 Gasketless air damper |
| 04/11/1990 | EP0362918A1 Butterfly valve with a sealing element in elastomeric material with an internal metal reinforcement |
| 04/11/1990 | EP0038355B2 Breakaway valve |
| 04/11/1990 | CN2055884U Thin-film water tap |
| 04/11/1990 | CN1041211A 电磁阀 Solenoid valve |
| 04/11/1990 | CN1007549B 阀 Valve |
| 04/11/1990 | CN1007547B Globe valve having a dismountables seat for rapid maintenance |
| 04/10/1990 | US4915355 Seal |
| 04/10/1990 | US4915354 Cushioned valve seat |
| 04/10/1990 | US4915350 Electromagnetically actuatable valve |
| 04/10/1990 | US4915122 Shock actuated valve |
| 04/04/1990 | CN2055552U Leakage-proof water-saving valve |
| 04/04/1990 | CN2055551U Hydraulic rubber-lining stop valve |
| 04/03/1990 | US4913398 High speed dumping valve apparatus |
| 04/03/1990 | US4913185 Valve device usable for feeding sterile fluids |
| 04/03/1990 | CA1267401A1 Leakproof seal for turning closure valve, and its manufacture |
| 03/28/1990 | EP0360718A1 Pilot-operated regulating connector for regulating the speed of pneumatic actuators |
| 03/28/1990 | CN2055210U Self-pressurization type water storage valve |
| 03/28/1990 | CN2055209U Float-controlled exhaust value |
| 03/27/1990 | US4911413 Structure for fitting a valve seat support ring in a valve port |
| 03/27/1990 | US4911412 Valves with improved actuators |