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