Patents
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)
11/1990
11/21/1990CN2066093U Non-leakage valve
11/21/1990CN2066092U Pedal self-pressing sealed water tap
11/19/1990CA2016924A1 Valves with improved actuators
11/15/1990WO1990013412A1 Flash extrusion valve and process for using it
11/14/1990EP0396714A1 Seals for gas isolators
11/14/1990CN2065706U Fast filling valve for liquefied petroleum gas pot
11/14/1990CN2065705U Self-colsing tap for water supply cut-off
11/14/1990CN2065704U Self-closing valve for water supply cut-off
11/13/1990US4970484 Composite elastomer-tipped tubular metallic device for armature and needle valve applications
11/13/1990US4969628 Valve construction and method of making the same
11/13/1990US4969485 Butterfly valve apparatus and method
11/13/1990CA1276134C Valve seat retainer
11/07/1990CN2065267U Safety valve for tap water
11/07/1990CN2065266U Self-sealing dual-purpose water tap
11/07/1990CN2065265U 自闭水阀 Self-closing valve
11/07/1990CN2065264U Push-rod economizing water tap
11/06/1990US4967997 Butterfly valve with intra-shaft actuator means
11/06/1990US4967779 Method of installing a valve seat in a valve body
11/06/1990US4967778 Butterfly valve apparatus and method
11/06/1990CA1276000C Seal for high performance butterfly valve
10/1990
10/31/1990EP0395283A1 Pressure reducing valve
10/31/1990EP0394855A1 Device for the deflection and/or division of a gas stream
10/31/1990EP0394673A1 Safety device for a pressurised gas container
10/31/1990EP0222790B1 Correcting device with levers between an actuator and the shaft of a rotatable valve
10/31/1990CN2064844U Regulating valve cutting off sealing element
10/31/1990CN2064843U Double closing stop valve
10/31/1990CN2064842U Water gas linkage valve for gas-fired water heater
10/30/1990US4966193 Timing control for a dual poppet valve
10/28/1990CA2014723A1 Pressure reducing valve
10/24/1990EP0393234A1 Gas bottle valve
10/24/1990CN2064447U Multi-purpose valve with corrosion protecting function
10/24/1990CN2064446U Automatic lpg cylinder valve without leakage
10/24/1990CN2064445U Sealed butterfly bamper with corrosion protecting function
10/24/1990CN2064444U Diaphragm type water saving cock tap
10/24/1990CN2064443U Frost valve
10/24/1990CN2064442U Valve with sphere allocation in water tank
10/24/1990CN1010118B Adjustable differential flow shuttle valve
10/23/1990US4964432 Method and means for mounting valve member on valve stem
10/23/1990US4964431 Butterfly valve apparatus and method
10/23/1990US4964422 Butterfly-type check valve
10/23/1990CA1275396C Unitary bearing and locator assembly for rotatable valves
10/17/1990EP0392992A2 Clean gas valve using a metal-to-metal seal
10/17/1990EP0392343A1 Valve arrangement for pressure vessel
10/17/1990CN2063996U Auto-closed tap
10/16/1990US4962783 Butterfly valve apparatus and method
10/11/1990DE3910839A1 Device and control of a member for opening and closing a ventilation opening in a room
10/11/1990DE3910765A1 Two-way valve
10/10/1990CN2063591U Hydraulic self-cut-off valve
10/10/1990CN2063590U Self-shut-off valve on water supply stop
10/10/1990CN2063589U Double self-shut-off water-saving tap
10/09/1990US4961538 Adaptable irrigation valve operation system
10/09/1990US4961455 Countergravity casing apparatus and method with magnetically actuated valve to prevent molten metal run-out
10/08/1990WO1990012231A1 Pressure relief valve and cryopump utilizing the same
10/08/1990CA2049029A1 Pressure relief valve and cryopump utilizing the same
10/03/1990CN2063189U Individually auto-closed water-saving tap
10/03/1990CN2063188U Auto-exhaust valve for warm air
10/03/1990CN2063187U Pressure-sensitive auto-closed tap on cutting off water supply
10/03/1990CN2063186U Automatic air outlet valve for water heating boiler
10/03/1990CN1045852A Safety valve against gas leakage for civil gas piping
10/03/1990CN1009857B Valve base with integral flow controls
09/1990
09/26/1990CN2062772U Turning-pulling self-closing water tap
09/26/1990CN2062771U Multifunctional anti-lash valve
09/20/1990WO1990010809A1 Sealing
09/20/1990DE3906941A1 Control valve
09/19/1990EP0387918A2 Method and apparatus for cleaning a valve sealing arrangement under dynamic stress
09/19/1990EP0387634A1 Armature with stroke limitation
09/19/1990EP0387514A2 Stop valve for pipelines transporting bulk goods
09/19/1990CN2062391U Double self-sealing automatic exhausting valve
09/19/1990CN2062390U Automatic water turn-off device for resupply on water cut-off
09/18/1990CA1274233A1 Plug for a modulating control valve for a steam turbine
09/17/1990CA2011336A1 Device for shutting of pipelines for the transport of bulk products
09/12/1990EP0386740A1 Valve assembly with check valve for gas container
09/12/1990CN2061995U Self-close valve for water supply cutting off
09/08/1990CA2011696A1 Valve with replaceable seal element
09/05/1990EP0385812A1 Ball valve
09/05/1990CN2061633U Energy-saving safety water tap
09/05/1990CN2061632U Medium-discharging bonnet relief valve
09/05/1990CN2061631U Ball cock for controlling lever
09/05/1990CN1045165A Method for sealing valve port
09/05/1990CN1045157A Lourver dampers for use in gas turbines exhaust systems and having blades protected against becoming warped
09/04/1990US4953276 Apparatus for inserting valve seats in valve bodies
08/1990
08/29/1990EP0383903A1 Seals for gas isolators.
08/29/1990CN2061231U Float automatic open/close valve
08/29/1990CN2061230U Vertical pulling type pedal energy-saving valve of shower bath
08/29/1990CN2061229U Safety valve for tap cutoff water
08/28/1990US4951915 Electronic water flow control device
08/28/1990US4951707 Seal for a pump valve
08/23/1990DE3903913A1 Gas-bubble tapping valve, particularly for fertilising aquarium plants
08/22/1990EP0383369A2 Combination of a rotating valve and a driving gear being connected by a device provided with levers
08/22/1990EP0383353A2 Motor-operated valve
08/22/1990EP0383249A1 Wax-pellet thermostat
08/22/1990EP0383185A1 Louver dampers for use in gas turbines exhaust systems and having blades protected against becoming warped
08/22/1990CN2060835U Valve in the form of ball
08/22/1990CN2060834U Right angle type cold water lifting valve
08/22/1990CN2060833U Valve of oil feeding equipments for sampling
08/22/1990CN2060832U Automatic exhauster
08/21/1990US4949746 Fluid control valves
08/16/1990EP0321500B1 Stop valve for fluids
08/15/1990CN2060493U Water-saving valve
08/14/1990US4948096 Valve stem and gasket with improved cleaning capability