Patents for F16K 15 - Check valves (18,131)
03/2000
03/23/2000DE19851791A1 High-pressure weep valve O-ring seal for cleaning machine combines low cost with simplicity and high mechanical reliability
03/22/2000CN2370236Y Quick inflation and over pressure discharging device for automobile tyre
03/21/2000US6039305 Bite valve for hydration bladder
03/21/2000US6039301 Container and sealing device for use in the container
03/21/2000US6039073 Check valve
03/21/2000CA2160940C Wall water hydrant having backflow and back siphonage preventor
03/21/2000CA2049419C Valve device for automatic circulation in waste water pump station
03/16/2000WO2000014345A1 Apparatus for preventing reverse flow in drainage
03/16/2000DE19826558C1 Ventil mit Dichtkantenring Valve with sealing ring
03/15/2000EP0985775A1 Power flush tank with air inducer
03/15/2000EP0605624B1 Pneumatic support system
03/15/2000CN1247593A Piezoelectric valve
03/14/2000US6035896 Valve
03/14/2000US6035890 Retainer insert for a valve having a floating closure member
03/14/2000US6035885 Sealing valve for controlling fluid flow through a passage
03/08/2000EP0983458A1 Encapsulated elastomeric relief valve
03/08/2000EP0983456A2 Metering device
03/08/2000EP0983175A1 Non-return valve and hydraulic anti-slip vehicle braking system with a non-return valve
03/08/2000EP0983174A1 Hydraulic vehicle braking system with wheel slip control, and a valve for a braking system of this type
03/08/2000EP0983155A1 Pneumatic spring system
03/08/2000CN2367851Y Quick-jointing valve body
03/01/2000EP0774040B1 Erosion resistant downhole mud diverter tool
03/01/2000CN2366630Y Three-ring type combination type sealing means
03/01/2000CN2366629Y Plastic vertical lifting/lowering type check valve
03/01/2000CN2366628Y Double sealing cushion check valve
02/2000
02/29/2000US6029685 Cage assembly for ball check valves
02/29/2000US6029657 Intrapulmonary aerosolizer
02/29/2000US6029288 Power flush tank with improved air inducer
02/28/2000CA2281182A1 Dispenser valve with increased flow capacity
02/24/2000WO2000009919A1 Fluidic connector
02/24/2000WO1999064711A3 Improved backhead and check valve for down-hole drills
02/24/2000DE19837694A1 Coaxial valve has a non-return and overpressure valve to give a medium flow into a zone round the coaxial valve to compensate for a pressure difference between the inlet and outlet
02/23/2000CN2365477Y Air valve of tyre for bicycle and tricycle
02/23/2000CN2365476Y Soft sealing air valve
02/23/2000CN2365475Y Antileaking durable mixing stop valve
02/22/2000US6027394 One way valve for inflatables and process for production and incorporation in the inflatable
02/22/2000US6026855 Fuel tank one-way flow valve quick connector
02/22/2000US6026852 Pressure relief valve and method of manufacturing the same
02/17/2000WO2000008336A2 Fluid driven pump and portioning check valve
02/17/2000DE19833144A1 Automotive windscreen washer fluid back-flow prevention valve seal comprises housing with valve closure and seal lips on a cross-piece projected in flow direction
02/17/2000DE19833143A1 Automotive windscreen washer fluid back-flow prevention valve comprises passage with closure held against the valve seat and support
02/17/2000DE19818521C2 Anordnung zum Anschluß eines Brennwertgeräts an ein Kaminrohr Arrangement for connecting a condensing unit to a chimney pipe
02/16/2000EP0916047B1 Dual plate check valve
02/16/2000CN2364292Y Tire inflating device
02/16/2000CN2364291Y Vertical and horizontal check valve
02/16/2000CN2364290Y Corrosion-resisting check valve
02/16/2000CN2364289Y 节流阀 Throttle
02/16/2000CN2364288Y Adjustable inner discharging check safety valve assembly
02/15/2000US6024175 Automatic sealing sprinkler head adapter and fire protection sprinkler system
02/15/2000US6024121 Check valve
02/10/2000WO2000006286A1 Filter cartridge assembly
02/10/2000DE19833679C1 Flow valve with non return action has the spring loaded valve element pressed onto the valve seat by a profiled end of a closure sleeve
02/10/2000CA2339117A1 Filter cartridge assembly
02/09/2000EP0977941A1 Control valve for a jet pump
02/08/2000US6022085 Supply valve for vehicular braking system
02/08/2000US6021952 Combination check valve, shutoff and seal for thermostatic valve
02/08/2000US6021810 Inlet check valve
02/08/2000US6021805 Backflow preventer assembly
02/02/2000EP0976925A2 High-pressure fuel pump assembly
02/02/2000EP0976598A1 Check valve for fuel tank
02/02/2000CN2361927Y Valve for double-tyre inner wheel of vehicle
02/02/2000CN2361926Y Leakproof valve
02/02/2000CN2361925Y Pumping unit sucker rod sealing ring
02/02/2000CN2361924Y Microporous self-closing floating ball stop valve
02/01/2000US6019122 Membrane-type inflation nozzle
01/2000
01/27/2000DE19831698A1 Rückschlagventil, insbesondere für eine implantierbare künstliche Harnblase Non-return valve, in particular for an implantable artificial bladder
01/26/2000EP0974402A1 Pump with a ball check valve
01/26/2000EP0974401A1 Pump with venting means
01/26/2000CN1242827A Valve for inflatable objects
01/25/2000US6016839 Air diffuser valve
01/25/2000US6016829 Check valve having function of adjusting flow rate of fluid
01/25/2000US6016800 Intrapulmonary aerosolizer
01/20/2000WO2000003168A1 Ball check valve
01/20/2000WO2000003167A1 Check valve
01/19/2000EP0972497A2 Non-return valve in particular for an implantable artificial bladder
01/19/2000EP0972150A1 Tyre and rim assembly valve provided with a pneumatic support membrane
01/19/2000EP0823015B1 Thermodynamical aspiration valve
01/19/2000EP0707694B1 Auxiliary tap valve
01/18/2000US6015601 Heat resistant and heat sealing, lamination of films
01/18/2000US6015472 Method of producing a balloon with a self-sealing valve
01/13/2000WO2000001970A1 Anti-hammer and noise reducing control valves for dishwasher and washing machine type applications
01/13/2000WO2000001937A2 Pressure valve
01/13/2000WO2000001936A2 Pressure valve
01/13/2000DE19830078A1 Return valve with closure body and seating
01/12/2000EP0807223A4 Compressor valve
01/12/2000CN2358301Y Explosion-proof air cock for tyre of car
01/12/2000CN2358300Y Non-return stop valve with mechanical sealing device
01/12/2000CN2358299Y Plate-clamping check valve with diversion disc
01/12/2000CN2358298Y Hydraulic angle stop valve
01/11/2000US6012599 Fuel tank
01/11/2000US6012483 Switch-over valve having pivot axle articulated closure wings
01/05/2000EP0969207A2 Suction valve with release timing chamber
01/05/2000EP0968023A1 Non return slider valve used in respiration systems
01/05/2000DE19829553A1 Druckventil Pressure valve
01/05/2000CN2357188Y Flat head clamped silencing check valve
01/05/2000CN2357187Y Anti-leakage valve
01/05/2000CN1240338A Suction device accessory, E. G. for damp surface cleaning
01/05/2000CN1240261A No pressure automatic stop valve
01/04/2000US6009895 Free rotating inlet check valve for inflatable devices
12/1999
12/29/1999WO1999067556A1 Improved check valve arrangement for a diagnostic test point