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)
11/1989
11/22/1989CN1037383A Valve apparatus
11/16/1989WO1989010884A1 Closure flap for a tubular outlet of a bulk materials separator
11/16/1989DE3815404A1 Pivoted-flap arrangement for hot-gas pipes
11/15/1989CN2047741U Butterfly valve with fluon liner
11/15/1989CN2047740U Backpressure water tap
11/14/1989US4880207 Intake throttle valve return device of engine
11/09/1989DE3833102A1 Control valve
11/08/1989EP0340799A1 Valve for closing a tubular outlet of a bulk material separator
11/08/1989CN2047323U One-way water-saving on-off valve
11/02/1989DE3813663A1 Device for shutting off large hot-gas pipes
11/01/1989CN2046955U Combined valve
11/01/1989CN2046954U Self-closed hydro valve when water cutting-off
11/01/1989CN2046953U Conical-ball sealing two-directional convection electromagnetic valve
11/01/1989CN2046952U Antifouling foot-operated valve
11/01/1989CN2046951U Automatic / manual water tap
10/1989
10/25/1989EP0338853A2 Depressurization valve
10/25/1989CN2046571U Full-opening leak-proof valve
10/25/1989CN2046570U High-pressure stop valve
10/25/1989CN2046569U Valve for lpg tank
10/25/1989CN2046568U Switch for pressure meter with damping unit
10/18/1989EP0337848A1 Pneumatic double valve, more particularly for compressedair horn
10/18/1989EP0337180A2 Extraction valve head for a container
10/18/1989CN2046164U Press rotary valve
10/17/1989US4874014 Flow control manifold
10/11/1989EP0336645A1 Valve for fluids
10/11/1989CN2045799U Energy-saving stop valve
10/11/1989CN2045798U Pressure-sensitive valve
10/11/1989CN2045797U Automatic stoping valve for blanking
10/10/1989US4872642 Seal mechanism for butterfly valve with press contacting seal effective in both inflow and outflow directions
10/10/1989US4872640 Valve apparatus
10/10/1989US4872481 Poppet valve flow seat
10/10/1989US4872475 Adjustable differential flow shuttle valve
10/05/1989WO1989009358A1 Metallic seat for fluid valve
10/04/1989CN2045446U Liquid draining valve
09/1989
09/27/1989CN2045040U 蝶阀 Butterfly
09/27/1989CN2045039U Pressure reducing valve with leakproof device
09/27/1989CN2045038U Splash-proof tap
09/26/1989CA1260984A2 Coupling
09/26/1989CA1260358A1 Radiator valve
09/26/1989CA1259782A1 Butterfly valve
09/20/1989EP0332806A2 A valve device for controlling flow of sterile fluid material, and a feeding and cleaning device incorporating said valve device
09/20/1989CN2044670U Auto-exhausting valve for water heating radiator
09/20/1989CN2044669U Leakless auto-closed button water valve
09/19/1989CA1259574A1 Apparatus and method for relieving pressure within a high pressure tank
09/13/1989CN2044305U 蝶阀 Butterfly
09/13/1989CN2044304U Double controlled water saving valve
09/07/1989DE3905349A1 Device for restricting an air flow, in particular the cooling-air flow of an internal combustion engine driving a motor vehicle
09/07/1989DE3806325A1 Throttle valve for a closed flow channel
09/06/1989EP0331533A1 Proportioning shutter for an air conditioning installation
09/06/1989CN2044024U Hand-held multi-function water valve
08/1989
08/30/1989EP0176528B1 Constriction member for reducing the pressure in transport pipelines
08/30/1989CN2043707U Y-shape blowoff valve for boiler
08/30/1989CN2043695U Ball-shape shut off valve
08/30/1989CN2043694U Light pneumatic membrane regulating valve capable of setting zero
08/29/1989US4860994 Seal system for butterfly valve
08/29/1989US4860793 Mixing valve
08/29/1989US4860784 Non-rising stem valve assembly and method of replacing a permanent seal
08/23/1989EP0329246A1 Air inlet device for mounting in tap or pipe
08/23/1989CN2043305U Special purpose electric butterfly valve for blast furnace blower
08/23/1989CN2043304U Electrodynamic adjustable fuel-feeding valve for automobile
08/23/1989CN2043303U Rapid intercepting injection valve
08/23/1989CN2043302U Safety water-saving valve
08/22/1989US4858884 Diaphragm-actuated valve for a gear pump
08/16/1989CN2042916U Eccentric bias butterfly valve
08/16/1989CN2042915U Pressure-regulating water-saving tap
08/16/1989CN2042914U Manual water tap with little quantity rationing or large quantity continuous supply function
08/15/1989US4856551 Double seat valve with two valve disks
08/15/1989CA1258416A1 Valve and actuator
08/10/1989WO1989007215A1 Butterfly valve blade
08/10/1989DE3800705A1 Sealing arrangement for shut-off flaps
08/09/1989EP0327525A2 High-pressure flexible seat valve trim
08/09/1989CN2042541U Double functional water tap
08/09/1989CN2042540U Protective stop valve for water cut out
08/09/1989CN2042539U Self-controlled electromagnetic water valve
08/09/1989CN2042538U Two-way angle valve for gas or liquid fuels
08/08/1989US4854342 Clapper seal for dry pipe valve
08/02/1989EP0325729A2 Tringle system for pivotable flaps
08/02/1989CN2042139U Floating-plug type water stopper
08/02/1989CN2042138U Nipple-shaped drinker
08/02/1989CN2042137U Automatic drainage-type exhaust valve
08/02/1989CN2042136U Self-closed water-saving tap
08/02/1989CN2042135U Automatical pressure-type water-saving tap
08/02/1989CN1034419A Apparatus for reutilization of residue in liquefied petroleum gas cylinder
08/01/1989US4852605 Valve operating without friction
07/1989
07/26/1989CN2041754U Hand stop valve and throttle valve with marking opened angle
07/26/1989CN2041753U Selt-stop water-saving valve for stopping water
07/26/1989CN2041752U Ball float type automatic air evacuation valve
07/25/1989US4850392 Double poppet relief valve
07/25/1989CA1257857A1 Globe valve having a dismountable seat for rapid maintenance
07/19/1989CN1034048A Double block and vent system
07/19/1989CN1034047A Forward direction closing safety valve device for automatically shutting gas pipeline passage off during pressure reducing failure
07/18/1989US4848729 Valve seal
07/12/1989CN2040974U Movable connection valve
07/12/1989CN2040973U 水龙头 Faucet
07/12/1989CN2040972U Self-shut-off type water tap
07/12/1989CN2040971U Self-shut-off type convenient water tap
07/12/1989CN2040970U Pressureless self-shut-off water tap
07/12/1989CN2040969U Multipurpose auto-shut-off water valve
07/11/1989US4846441 Methods and apparatus for adjusting a valve closure member
07/11/1989US4846225 Transmission assembly for use with double block and bleed system