Patents for F16K 7 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage (6,637)
02/1992
02/05/1992EP0468957A1 A sampling valve.
01/1992
01/28/1992US5083742 Fluid control valve
01/22/1992CN2093938U All plastic valve
01/21/1992CA1294567C Method and device for mounting a body in a conduit containing fluid
01/15/1992CN2093284U Return pressure control valve
01/15/1992CN2093283U Fully sealing tap
01/15/1992CN2093282U Self-pressure sealing water storage valve
01/14/1992CA1294265C High pressure inverted bellows valve
01/09/1992WO1992000476A1 Valve for controlling connection to branch passage
01/08/1992CN2092643U Diaphragm type automatic opening and closing valve for controlling water level
01/07/1992US5078361 Positive opening pinch valve
01/02/1992EP0463302A2 Pinchcock
12/1991
12/27/1991EP0462858A1 Protection device against uncontrollable emissions of gas and insulation bag being part of such a device
12/25/1991CN2091392U Diaphragm stop valve
12/25/1991CN2091391U Direct-flow full flow stop valve
12/22/1991WO1991019922A1 Valve arrangement
12/22/1991CA2085595A1 Valve arrangement
12/12/1991WO1991019124A1 Controlled valve for flow regulation of gas or liquid and use of such valve
12/12/1991WO1991019098A1 A valve arrangement and positive-displacement pump
12/12/1991WO1991019097A1 A flap valve arrangement
12/12/1991CA2083838A1 Controlled valve for flow regulation of gas or liquid and use of such valve
12/10/1991US5071102 Pipe crimping tool
12/08/1991WO1991019096A1 A fluid valve device and a positive-displacement pump
12/08/1991CA2084681A1 Fluid valve device and a positive-displacement pump
12/04/1991EP0459081A1 Valve
12/04/1991CN2089999U Auto-close valve for gas of household
12/03/1991US5069248 Compact multi-stage pressure reducing valve
12/01/1991WO1991019123A1 Valve apparatus
11/1991
11/20/1991CN2089100U Inserting type auto-drainage valve for brake air receiver of vehicle
11/20/1991CN2089099U Differential-pressure water tap
11/19/1991US5065980 Diaphragm valve
11/14/1991WO1991017375A1 Inflatable bladder for control of fluid flow
10/1991
10/31/1991WO1991016562A1 Compact multi-stage pressure reducing valve
10/30/1991CN1014544B Automatically operating valve for adjusting water flow and tap naving this valve
10/29/1991US5060865 Fluid flow restrictor system
10/29/1991US5060691 Compact multi-stage pressure reducing valve
10/23/1991CN2087269U Floating drum type automatic air valve for plumbing equipment
10/16/1991EP0452234A1 Variable electrically-actuated flow valve
10/09/1991CN2086352U Diaphragm stop valve
10/09/1991CN2086351U Corrosion-resisting diaphragm valve
10/09/1991CN2086350U Ball screw bolt type silicon rubber pipe stop valve
10/02/1991EP0449225A1 Planetary roller type flow control valve
09/1991
09/24/1991US5050838 Control valve utilizing mechanical beam buckling
09/18/1991CN1013988B Valve sealing structure of bracing type
09/17/1991US5049042 Anti-return safety apparatus
09/17/1991US5048559 Valve and apparatus using said valve
09/03/1991CA1288272C Air terminal
08/1991
08/29/1991DE4105446A1 Closure piece for gas pipe - consists of flexible inflatable part with opening, and cylinder, piston and hollow bar
08/27/1991US5042757 Hose clamp
08/27/1991US5042526 Valveless toilet
08/21/1991CN1053947A Automatically operating valve for regulating water flow and faucet provided with said valve
08/21/1991CN1053946A Automatically operating valve for regulating water flow and faucet provided with said valve
08/13/1991CA1287547C Diaphragm-type antidrip valve
08/07/1991CN2082343U Hydraulic diaphragm multi-way program operating valve
08/06/1991US5036879 Pulsation dampener and flow check apparatus
07/1991
07/31/1991EP0438570A1 Method of making a microvalve.
07/31/1991CN1053484A Diaphragm type liquid level valve
07/30/1991US5035399 Protective tubing clamp apparatus
07/30/1991US5035259 Fluid flow control valve
07/30/1991CA1287036C Diaphragm valve
07/24/1991CN2081462U Multi-functional automatic releasing valve device of fire door
07/23/1991US5033498 Valve for inflated article
07/16/1991US5031875 Diaphragm seal
07/10/1991EP0436386A2 Pinch valve and method of fabricating the same
07/10/1991EP0436241A2 Diaphragm valve comprising a sleeve-shaped elastic diaphragm
07/10/1991CN2080597U Push type water supply valve
07/02/1991US5027857 Switching microelectrovalve having a single diaphragm
07/02/1991US5027850 Debris arrestor for valve bleed hole
06/1991
06/29/1991CA2032811A1 Mold fill coupling
06/26/1991EP0434598A1 Diaphragm control valve
06/13/1991WO1991008409A1 Deformable diaphragm valve
06/12/1991EP0431130A1 Weir valve sampling/injection port
06/12/1991CN2078833U 防腐阀门 Preservative valve
06/12/1991CA2031143A1 Diaphragm valve comprising a sleeve-shaped elastic diaphragm
06/11/1991US5022422 Ball valve
06/11/1991CA1284795C Pinch valve
06/05/1991EP0430763A1 Distribution nozzle with a membrane for liquid or pasty products and membrane for this nozzle
05/1991
05/21/1991US5016856 Inflatable bladder for control of fluid flow
05/14/1991US5014962 Clamp for regulating fluid flow through plastic tubing
05/14/1991US5014738 Valve
05/08/1991EP0425530A1 Closure device for drainpipes.
05/07/1991US5013489 Sludge treatment apparatus
05/02/1991EP0424676A1 Diaphragm valve
04/1991
04/23/1991US5009391 Valve assembly
04/17/1991CN2075287U Electromagnetic valve for titration
04/11/1991DE3932715A1 Safety shut=off device for gases or fluids - has membrane with thick rim and concentric corrugations, and threaded ring
04/03/1991CN2074406U No-leak valve fitted out with tilted sealing elements
04/03/1991CN2074402U Water-saving hydraulic foot valve
03/1991
03/27/1991EP0418298A1 Control valves and method of plant growing using flow control.
03/06/1991EP0415317A2 No-return security apparatus
03/06/1991EP0415311A2 Valve and device using the same
02/1991
02/27/1991EP0414418A1 Fluid flow control valve
02/26/1991CA1280666C Backflushed air filters with quick opening multiple discharge valve
02/21/1991WO1991002169A1 Method of making a microvalve
02/20/1991CN2071732U 隔膜阀 Diaphragm
02/19/1991US4993456 Pinch valve assembly
02/13/1991EP0412301A1 Boron nitride membrane in wafer structure
02/12/1991US4991628 Valve system, e.g. for analyzers
02/12/1991CA1280104C Tap or valve
02/06/1991CN2070848U Water saving type plane sealing anti-leakage valve
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