Patents for F16K 7 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage (6,637)
01/1991
01/30/1991EP0410081A1 Pressure reducing valve
01/24/1991WO1991000970A1 Hose clamp
01/22/1991US4986308 Switching microelectrovalve having a single membrane
01/16/1991CN2069515U Leading diaphragm type stop valve
01/15/1991CA1279056C Fluid conduit and pinch valve for use therewith
01/10/1991WO1991000460A1 Weir valve sampling/injection port
01/09/1991CN2069056U Cut-off valve having elastic diaphragm
01/08/1991CA1278787C Rotary valve
12/1990
12/27/1990WO1990015947A1 Inflatable valve
12/25/1990US4979527 Sterilizable valve assembly for dispensing fluid materials and a method of operating the valve assembly
12/18/1990US4978100 Fire hose clamp device
12/18/1990US4977929 Weir valve sampling/injection port
12/14/1990CA2017214A1 Roller clamp for regulating fluid flow through plastic tube
12/12/1990EP0401326A1 Snap-together solenoid operated pinch valve assembly
12/12/1990CN2067343U Rubber lining tube with externally cutting double v-slot inwall
12/06/1990DE4017182A1 Valve for successively filling individual chambers - has one or more outlet channels with three orifices
12/04/1990US4974811 Roller clamp for regulating fluid flow through plastic tube
12/04/1990US4974646 Powder flow control valve
11/1990
11/28/1990EP0399625A1 Valve
11/28/1990CN2066540U Diaphragm sheet
11/28/1990CN2066539U Pneumatic corrugation tube diaphragm valve
11/23/1990WO1990014539A1 Diaphragm valve
11/21/1990CN2066096U Two-way seizing type open-pole clamping tube valve
11/20/1990US4971034 Body cavity pressure adjusting device for endoscope and laser medical treatment apparatus including body cavity pressure adjusting device
11/14/1990CN2065707U Automatic gas drainge valve
11/13/1990US4969629 Diaphragm valve
11/07/1990CN1046716A 阀组件 Valve assembly
11/06/1990US4968003 Diaphragm valve
11/06/1990CA1275823C Stress reducing stop for unstretched pressure sensing diaphragm
11/01/1990WO1990012972A1 A sampling valve
10/1990
10/31/1990CN2064847U Diving type water storage valve
10/10/1990EP0390904A1 Diaphragm valve
10/10/1990CN2063594U Automatic return water-saving tap
10/03/1990CN1045853A Magnetic holding solenoid valve
10/02/1990US4960263 Mold fill coupling
09/1990
09/25/1990CA1274445A1 Control regulator having a fabric reinforced diaphragm
09/20/1990WO1990010810A1 Through valves with rubber bushing and hemispheric seal
09/11/1990US4955582 Weirless diaphragm valve
09/06/1990DE4006785A1 Blocking control for pipeline - incorporates expanding membrane stretched under inspection hatch and inflated to seal pipe
09/04/1990US4953826 Metal diaphragm valve
09/04/1990US4953824 Deflectable sleeve type valve
08/1990
08/21/1990US4949744 Method and device for mounting a body in a conduit containing fluid
08/15/1990CN2060495U Cold/hot water tap
08/14/1990CA1272660A1 Valve block assembly
08/01/1990EP0379796A1 Sludge treatment
07/1990
07/31/1990US4944487 Diaphragm valve
07/26/1990WO1989011787A3 Control valves and method of plant growing using flow control
07/10/1990CA1271466A1 Valve with flexible sheet member
07/05/1990DE3900128A1 Control element for a gas flow duct
06/1990
06/28/1990WO1990007073A1 Snap-together solenoid operated pinch valve assembly
06/27/1990CN2058711U Low-pressure clamping cut-off valve
06/26/1990US4936542 Catheter flow control valve
06/20/1990EP0373814A1 Diaphragm valve
06/20/1990EP0373813A2 Fluid flow restrictor system
06/15/1990CA2002439A1 Sludge treatment
05/1990
05/30/1990EP0370262A1 Electronically controlled regulating valve
05/30/1990CN2057719U Direct compression relief leader membrane multi-functional water tap
05/30/1990CN1042593A 隔膜阀 Diaphragm
05/23/1990EP0369404A1 Valve for filling a water cistern of a flushing toilet
05/17/1990DE3915760C1 Valve with flexible flow barrier - uses bulge in sealing hose to regulate and shut off flow
05/16/1990CN2057253U Leakless stop valve
05/15/1990US4925153 Membrane valve for fluids
05/08/1990US4923166 In a pipe line for conveying pressurized fluids
05/02/1990CN2056718U Plastic diaphragm control valve for diaphragm cylinder
05/02/1990CN2056715U Membrane flow valve for corrosive gas or liquid
05/01/1990US4921206 Snap-together solenoid operated pinch valve assembly
04/1990
04/18/1990CN1041436A 隔膜阀 Diaphragm
04/17/1990US4917357 Diaphragm valve
04/17/1990US4917348 Filling nozzle cut-off valve
04/11/1990EP0038355B2 Breakaway valve
04/11/1990CN2055887U Leak-less water tap
04/11/1990CN1041210A Dual-diaphragm type normally-closed solenoid valve
04/10/1990US4915353 Diaphragm valve
04/05/1990WO1990003532A1 Diaphragm valve
04/04/1990CN2055554U Temp.-control valve for water heaters
04/03/1990US4913401 For installation within a fluid conveying conduit
04/03/1990US4913397 Pressure responsive diaphragm control valve
03/1990
03/28/1990CN2055213U Manual fluid stop-valve
03/27/1990US4911615 Hydraulic pump unloader
03/15/1990DE3830258A1 Sewage (waste water) fitting
03/08/1990WO1990002290A1 Method and means for providing a sealing stopper in a tube
02/1990
02/28/1990CN2053701U Dual valve water tap
02/13/1990US4899783 Pinch valve
02/01/1990DE3900133A1 Shut-off device for ducts, shafts or the like
01/1990
01/25/1990WO1990000652A1 Closure device for drainpipes
01/23/1990US4895346 Valve assembly
01/23/1990US4895341 Pinch valve
01/23/1990US4895185 Expandable hose device
01/23/1990CA1264532A1 Stop changer tool for in-service valve
01/17/1990EP0351164A1 Valve
01/17/1990CN2051320U Automatic liquid-level control and cut-off valve
01/03/1990EP0349377A1 Microelectric switch valve with one single diaphragm
12/1989
12/27/1989EP0204769B1 Tubing occluder
12/20/1989EP0347172A1 Pressurised check valve
12/20/1989CN1006186B High pressure inverted bellows valve
12/14/1989WO1989012267A1 Back pressure regulator
12/14/1989WO1989011787A2 Control valves and method of plant growing using flow control
12/13/1989CN1006090B Sampling varve for submicro-flow gas and processing
12/07/1989DE3819146A1 Valve for the pharmaceutical industry, particularly for biotechnology
11/1989
11/22/1989CN2048148U Governing valve for devided-flow gas
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