Patents for F16K 15 - Check valves (18,131)
05/1996
05/22/1996EP0605624A4 Pneumatic support system.
05/22/1996EP0593490B1 Check valve
05/22/1996CN1122858A Pressure control type motor driven water supply device
05/21/1996US5518026 Filler neck butterfly check valve
05/15/1996DE4439880A1 Non return valve
05/15/1996DE19514977C1 Non=return valve with sight glass
05/14/1996CA2033864C Valved discharge mechanism of a refrigerant compressor
05/08/1996EP0710768A1 Secondary air supplying system having a motor-driven air pump
05/08/1996EP0710338A1 One-way valve assembly
05/07/1996US5515223 Cleaning cassette for magnetic heads
05/07/1996US5513959 Valve for pump with priming circuit
05/07/1996US5513395 Toilet with magnetic check valve
05/07/1996CA2081092C Swivel valve
05/07/1996CA2013974C Valve test plug
05/02/1996WO1996012904A1 Linear mode sheath valve
05/02/1996WO1996012892A1 Pressure valve for compressor
05/02/1996CA2179811A1 Sheath valve
05/01/1996EP0709207A2 Ink cartridge for ink jet printer
05/01/1996CN2226183Y Valve inside without air leakage
05/01/1996CN2226182Y Multifunctional check valve
05/01/1996CN2226181Y Foldable bicycle
05/01/1996CN2226180Y Automatic air discharge valve for piston type compressor
04/1996
04/30/1996US5511583 Compressor valve
04/30/1996US5511464 Cup-seal non-return valve
04/26/1996EP0725907A4 Miniature duckbill valve
04/25/1996WO1996012169A1 Fluid sampling device
04/25/1996DE19504267A1 Druckventil für einen Kompressor Pressure valve for a compressor
04/24/1996EP0708283A2 Ball check valve
04/24/1996EP0707694A1 Auxiliary tap valve
04/24/1996CN2225583Y Spring isolation safety valve
04/24/1996CN2225581Y Leakage pressure micro damping slow closing check valve
04/24/1996CN2225580Y Automatic ventilation valve for sewer of storied building
04/24/1996CN2225579Y Automatic closing one-way valve
04/23/1996US5509445 Check valve for a discharge air duct
04/18/1996WO1996010903A2 Valve connector
04/18/1996DE19509126A1 Non=return valve with flexible element loaded against seat
04/16/1996US5507318 Umbrella check valves
04/16/1996US5507312 For accommodating the unidirectional flow of a liquid
04/10/1996CN2224319Y Non-return valve
04/03/1996EP0704022A1 Fuel injection nozzle for internal combustion engines
04/03/1996CN1031475C Direct-acting one-way valve
04/02/1996US5503186 One-way valve panel
04/02/1996US5503176 Backflow preventor with adjustable cutflow direction
03/1996
03/27/1996CN2223396Y Anti-leaking gas-filled valve
03/19/1996US5499502 Secondary air supplying system having a motor-driven air pump
03/13/1996EP0701076A1 Electromagnetic valve
03/13/1996CN2222272Y Hydraulic control one-way valve
03/13/1996CN2222271Y Disc-shape check valve
03/12/1996CA2039459C Intake port pressure control system for engine induction system
03/06/1996EP0699837A2 Reed valve with tapered leg and dual radius valve stop
03/06/1996CN1118048A Device and a method for influencing of a valve
03/05/1996US5496160 Scroll compressor having a suction check valve
02/1996
02/29/1996WO1996006233A1 Toilet with magnetic check valve
02/29/1996CA2197994A1 Toilet with magnetic check valve
02/28/1996CN2221140Y Direct air compression valve inside
02/28/1996CN2221139Y Water pump automatic intake and exhaust valve
02/27/1996US5494258 Valve
02/27/1996US5494069 Check valve
02/26/1996EP0710338A4 One-way valve assembly
02/22/1996WO1996005458A1 Method and apparatus for the manufacture of duckbill valves
02/22/1996DE4439881C1 Volatile fuel=ingredient supply to pressure=charged IC engine
02/15/1996WO1996004458A1 Erosion resistant downhole mud diverter tool
02/15/1996CA2195982A1 Erosion resistant downhole mud diverter tool
02/14/1996CN2219992Y Butterfly telescopic check-valve
02/08/1996WO1996003603A1 Flutter valve assembly for inflatable packaging
02/07/1996CN2219409Y Pressure maintaining air valve for tyre tube of bicycle
01/1996
01/31/1996EP0694693A1 Method and device for valve control
01/24/1996EP0644984A4 Fluid pressure intensifying apparatus.
01/17/1996EP0692630A1 Plate valve
01/16/1996US5483992 Annular valve for a piston compressor
01/16/1996CA2154436A1 Plate valve, particularly for piston compressors
01/10/1996EP0691472A1 Internal combustion engine with pressure tank for specific purposes
01/10/1996EP0610238B1 Ring check valve
01/10/1996CN2217154Y Check valve with improved structure
01/09/1996US5482080 Check valve
01/09/1996US5482077 High pressure abrasive slurry check valve
01/03/1996CN2216621Y Booster valve for petroleum liquid gas steel cylinder
01/02/1996US5479975 Tire valve stem
12/1995
12/27/1995EP0612388B1 Seat-type pressure-relief valve
12/27/1995EP0512013B1 Low pressure check valve
12/21/1995WO1995034776A1 Non-return valve
12/21/1995DE4442352C1 Valve arrangement provided in connector for use e.g. with cannula
12/20/1995EP0673483A4 Non-return valve.
12/13/1995CN2215054Y Leakless valve of tyre for cycles and motorcycles
12/12/1995US5474104 Refueling check valve for compressed natural gas powered vehicles
12/12/1995US5474099 Non-stick treatment for elastomeric slit valves
12/06/1995CN2214575Y One-way valve of hydraulic jack
11/1995
11/29/1995EP0684416A1 Hot and cold water mixer valve with built-in anti-backflow device
11/29/1995CN2213899Y Valve inside
11/29/1995CN2213898Y Lift check valve
11/29/1995CN1112657A Cone damping check valve
11/28/1995US5469889 Mixing valve with a collared ball valve
11/28/1995US5469884 Check valve for meter run
11/21/1995US5467529 Pneumatic check valve and method for making a pneumatic check valve
11/15/1995CN2212696Y Inflating valve for inflating body
11/14/1995US5466129 Valved discharge mechanism of a refrigerant compressor
11/14/1995US5465754 Valve arrangement
11/14/1995CA2072790C Hand-held tree girdler
11/09/1995DE4420586C1 Rückschlagventil Check valve
11/08/1995CN2212116Y One-way valve of tyre