Patents for F16K 15 - Check valves (18,131)
11/1995
11/08/1995CN2212115Y External mounted buffer closing check valve
11/07/1995US5464350 Dental handpiece with a check valve
11/07/1995US5464043 Pressure adjustment valve for circuits for the manual administration of gas mixtures in the medical field
11/01/1995CN2211527Y Multifunctional one-way valve
10/1995
10/31/1995US5462082 Backflow preventer with failure indicator
10/26/1995WO1995028589A1 Filling device for a hydraulic clutch actuator
10/26/1995WO1995028588A1 Precompression valve for a hydraulic clutch actuating device
10/26/1995WO1995028561A1 Fuel injection nozzle for internal combustion engines
10/26/1995WO1995027163A3 Fluid check valve
10/25/1995CN2210989Y piston-type check valve
10/24/1995US5460200 Fluid flow check valve and method for making same
10/24/1995CA2022928C Drainage valve having a flexible flap with an edge taper
10/19/1995DE4428074A1 Vordruckventil einer hydraulischen Kupplungsbetätigungseinrichtung Valve form a hydraulic clutch actuator
10/19/1995DE4428072A1 Befülleinrichtung für eine hydraulische Kupplungsbetätigungseinrichtung Filling device for a hydraulic clutch actuating device
10/19/1995DE4413217A1 Kraftstoffeinspritzdüse für Brennkraftmaschinen Fuel injector for internal combustion engines
10/18/1995EP0677157A1 Improved multiple stage reed valves for use in internal combustion engines
10/18/1995CN2210307Y Single direction inflation valve
10/18/1995CN2210306Y Valve with automatically inflating tyre
10/18/1995CN2210305Y Single direction spring valve for liquid
10/16/1995EP0746709A4 A mixing valve with a collared ball valve
10/12/1995WO1995027163A2 Fluid check valve
10/10/1995US5456284 Elastomeric valve assembly
10/04/1995CN2209258Y Double hole air valve
10/03/1995US5454396 Sanitary safety device for preventing the backflow of water
10/03/1995CA2029753C Check valve with reduced hold-open pressure
09/1995
09/28/1995WO1995025874A1 Valve for use in float equipment
09/27/1995EP0674128A2 Backflow preventing valve for vehicle fuel tanks
09/27/1995EP0673483A1 Non-return valve
09/27/1995CN2208647Y Integral air valve
09/20/1995EP0672831A2 Apparatus and method for supercritical fluid extraction
09/06/1995EP0670247A1 Method and apparatus for restraining a vehicle occupant
09/06/1995EP0670155A1 Valve device for nozzles of hydromassage baths
09/06/1995EP0669879A1 Dual in-line height control valve assembly
09/06/1995EP0608324B1 A check valve
09/06/1995CN2206882Y Cone noise elimination check valve
08/1995
08/23/1995EP0667938A1 Dual in-line height control valve assembly
08/23/1995EP0516759B1 Quiet check valve for pulsating flow
08/22/1995US5443092 Fluid flow valve device and assemblies containing it
08/17/1995DE19501725A1 Non return valve for molten plastics for co-extrusion applications
08/15/1995US5441679 Method of assembling a value head
08/15/1995CA2102168C Air outlet for household, commercial and industrial applicances
08/10/1995DE4403821A1 Non return valve used for hot and cold water circuits
08/09/1995CN2204901Y Flexible slow-shut check valve
08/09/1995CN2204900Y Fluid one way valve
08/03/1995WO1995020735A1 Compound action type non-water hammering check valve device
08/02/1995EP0665395A1 Pneumatic tyre valve
08/02/1995EP0665044A1 Apparatus and method for supercritical fluid extraction
08/02/1995EP0633990A4 Backflow preventor with adjustable outflow direction.
08/02/1995CN2204364Y Piston-type sealing valve
08/02/1995CN1106117A No-resistance self-control slow-closed check valve
08/01/1995US5437307 Intake bypass valve
08/01/1995US5437202 Fluid sampling device
07/1995
07/27/1995WO1995015887A3 Method for inerting packaging covers, devices therefor, and packaging cover used therein
07/27/1995DE4402126A1 Damped flap for non=return valve
07/26/1995EP0498863B1 A valve equipped with a position detector and a micropump incorporating said valve
07/26/1995CN1105742A Antifreezing air needle
07/25/1995US5435337 Inline control valve for controlling fluid flow
07/22/1995CA2121163A1 Plunger for a ball and seat-type check valve
07/20/1995WO1995019517A1 Non-return valve system for products which can be filled with air
07/19/1995EP0563262B1 Variable orifice devices
07/12/1995CN2203387Y Air valve rubber tube
07/11/1995US5431186 Delrin"; wear resistance, durability; deformable
07/05/1995EP0660733A1 Fluid flow check valve
06/1995
06/28/1995CN2202235Y Leak-proof valve inside
06/28/1995CN2202234Y Valve inside
06/28/1995CN1029152C Non-return valve without hindering-plate brake
06/27/1995US5428651 Nuclear reactor locking piston drive system and valve assembly
06/22/1995WO1995016871A1 Selectively opened bi-directional cracking valve
06/22/1995DE4343660A1 Valve for fluids that opens hydrodynamically against spring pressure
06/22/1995DE4343139A1 Non-return valve
06/22/1995DE4342577A1 Low pressure loss, inexpensive non-return valve
06/21/1995CN2201598Y Automatic electromagnetic valve for preventing fume for cooker hood
06/21/1995CN2201546Y Dewatering device for oil tank
06/20/1995US5425397 In line oral inflation valve
06/20/1995US5425393 Backflow prevention and detection system
06/15/1995WO1995016157A1 Pressure relief valve
06/15/1995WO1995015887A2 Method for inerting packaging covers, devices therefor, and packaging cover used therein
06/15/1995CA2178629A1 Pressure relief valve
06/15/1995CA2177707A1 Method for inerting packaging covers, devices therefor, and packaging cover used therein
06/14/1995CN2200738Y Aeration air tap for motorcycle
06/14/1995CN2200737Y Tube with double thread joining structure
06/13/1995CA2011761C Plumbing fixture check stop
06/08/1995WO1995015455A1 Plates for dual plate check valves
06/07/1995EP0656496A1 Ball check valve
06/06/1995US5421368 Discharge valve assembly
06/06/1995US5421306 Check valve for engine fuel delivery systems
05/1995
05/31/1995CN2199389Y Slide valve type relief check valve for air compressor
05/31/1995CN2199388Y Check valve
05/31/1995CN2199387Y Butterfly-type check valve
05/31/1995CN2199386Y Pressure relief ball type safety check valve
05/30/1995US5419366 Valve
05/24/1995EP0654606A1 Reducing noise valve stop
05/24/1995DE4339617A1 Non-return valve for water circulation system with shutting-off element in valve housing
05/24/1995CN2198480Y Micro block ball check valve
05/24/1995CN2198479Y 气体止回阀 Gas valve
05/23/1995US5417691 Apparatus and method for manipulating and anchoring tissue
05/17/1995EP0653033A1 Check valve.
05/11/1995WO1995012775A1 Check valve for a discharge air duct
05/11/1995DE4333663C1 Flap valve with cylindrical housing
05/10/1995EP0652392A1 Valve with backflow preventer