Patents
Sitemap › F16 - Engineering elements or units; General measures for producing and maintaining effective functioning of machines or installations; Thermal insulation in general › F16K - Valves; Taps; Cocks; Actuating-floats; Devices for venting or aerating › F16K 15 - Check valves
Patents for F16K 15 - Check valves (18,131)
08/1998
08/05/1998EP0856115A1 Control valve
08/05/1998EP0856095A1 Variable area compensation valve
08/05/1998CN2287236Y Air valve of bicycle
08/04/1998US5788161 Fuel injection nozzle for internal combustion engines
07/1998
07/29/1998CN1189208A 阀组件 The valve assembly
07/28/1998US5785083 Tubular refrigerant check valve with snap-together internal valve cage structure
07/28/1998US5785082 In-line fuel fill valve
07/28/1998US5785081 Compressor inlet valve
07/22/1998EP0830533A4 Valve assembly
07/22/1998EP0792427B1 High pressure abrasive slurry check valve
07/22/1998EP0701504B1 Method for assembling during molding parts of a valve
07/21/1998US5782269 Soft seal poppet type check valve
07/14/1998US5778923 Anti-seepage self-gauging inflation valve system
07/14/1998CA2129228C Mixing valve with a collared ball valve
07/09/1998WO1998029786A1 Vacuum actuated sheath valve
07/09/1998CA2247840A1 Vacuum actuated sheath valve
07/08/1998EP0799393B1 Valve arrangement, in particular for pneumatic control systems
07/07/1998US5775671 Luer-activated valve
07/07/1998US5775357 Fuel fill valve and vent valve assembly
07/02/1998WO1998027855A1 Suction device accessory, e.g. for damp surface cleaning
07/01/1998EP0851161A2 A ball valve for a faucet
07/01/1998EP0850855A1 Self-acting drainage device for freight containers or other loadable containers
07/01/1998EP0850674A1 One-way valve for inflatable bodies and processes for producing said valve and incorporation of the valve to the inflatable body
07/01/1998EP0753116B1 Fluid check valve
07/01/1998CN2285400Y Micro-stop slow-closing device for check valve
06/1998
06/30/1998US5772413 Bellows type pump
06/30/1998US5771935 In a fluid pressure range
06/25/1998WO1998026830A1 Non return slider valve used in respiration systems
06/25/1998DE19654335A1 Sauggerätevorsatz, bspw. zur Feuchtreinigung von Flächen Suction device, eg. For damp cleaning of surfaces
06/24/1998EP0849513A2 Valve particularly for inflatable dinghies
06/24/1998CN2284891Y Variable-pressure check valve with double non-return device
06/24/1998CN2284890Y Double-control automatic blow-off valve for toilet
06/24/1998CN1185822A Thermodynamical aspiration valve
06/24/1998CN1038871C Ring valve
06/23/1998US5769125 Inversion-resistant, readily openable tide gate valve
06/23/1998US5769119 Combined control and check valve for gas torches
06/23/1998US5769116 Composite action type water-hammer-preventive check valve
06/18/1998WO1998026204A1 Method and sealing valve unit for controlling fluid flow through a passage
06/18/1998WO1998026203A2 Valve-in-valve body, vent port and method
06/18/1998WO1998025807A1 Damper valve configuration
06/18/1998CA2269986A1 Valve-in-valve body, vent port and method
06/17/1998EP0847510A1 Valve
06/17/1998CN2284326Y Butterfly slowly-closed check valve
06/17/1998CN2284325Y Gas filtering one-way valve
06/16/1998CA2120414C Sanitary safety device for preventing the backflow of water
06/16/1998CA2117515C Backflow-preventer
06/16/1998CA2096154C Quick change coupling for tilted disc check valve with top mounted dashpot
06/11/1998WO1998025059A1 Non-return device
06/10/1998EP0625645B1 Self-regulating hydraulic device
06/10/1998CN2283764Y Inflation connection nozzle
06/10/1998CN2283763Y Slowly closed adjustable check valve
06/10/1998CN2283762Y 单向球阀装置 One-way valve device
06/10/1998CN1184068A Automatic drainage device for goods container
06/09/1998US5762103 For limiting fluid flows to a single direction
06/09/1998US5762095 Combination pump head
06/04/1998WO1998023890A1 Non-leaking, non-venting liquid filled canister quick disconnect system
06/04/1998WO1998023318A1 Valve for resuscitator apparatus
06/04/1998WO1998023184A1 Safety valve for an inverted liquid-filled canister
06/04/1998DE19650031A1 Water fitting with check valve to prevent backflow into supply system
06/04/1998DE19649541A1 Check valve with axially guided ball fitting in valve seat
05/1998
05/28/1998DE19647027A1 Radiator valve housing valve with seat and closing element
05/27/1998EP0844424A2 Shutoff-opening device
05/27/1998EP0844401A1 Speed controller with pilot check valve
05/27/1998CN2282624Y Buffer closing silencing check valve
05/27/1998CN1182847A Regulation valve for radiator
05/26/1998US5755559 Apparatus and method for pumping supercritical fluid and measuring flow thereof
05/26/1998US5755328 Flutter valve assembly for inflatable packaging and the like
05/26/1998US5755263 Backward flow prevention device
05/20/1998EP0843117A2 Radiator valve
05/20/1998EP0843098A1 Scroll compressor
05/20/1998EP0842361A1 Circulator pump check valve
05/20/1998CN1182470A Valve connector
05/19/1998US5752546 Fluid control valves
05/19/1998CA2097466C Annular valve for a piston compressor
05/19/1998CA2006655C Valve for atomising nozzle and the like
05/14/1998DE19746239A1 Pressure relief valve on hollow body
05/13/1998EP0841237A2 Hydraulic power steering apparatus
05/13/1998EP0817930A4 Rapid response valve
05/13/1998CN2281455Y Tyre air valve of hand-push tractor
05/13/1998CN2281454Y Plug air valve
05/13/1998CN2281453Y Self controlling valve
05/13/1998CN1181475A Pilot 3-port transfer valve
05/13/1998CN1181474A Pilot 5-port transfer valve
05/13/1998CN1038358C Two-port cartridge seat valve
05/12/1998US5750027 Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography
05/12/1998US5749394 Check valve including molded valve seat
05/06/1998EP0840018A2 Pilot 5-port transfer valve
05/06/1998EP0840000A1 Exhaust gas recirculation apparatus
05/06/1998CN2280815Y Damping type double non-return valve
05/06/1998CN2280814Y Single-way ventilating valve for indoor drainage pileline
05/05/1998US5746246 Water hammer preventing check valve
05/05/1998US5746243 Valved inflation adapter
04/1998
04/29/1998EP0838596A2 Pilot 3-port transfer valve
04/29/1998EP0837704A1 Heart assist system
04/23/1998WO1998016767A1 An inflation valve for sacks, bags or the like containers
04/22/1998CN2279489Y Low-pressure air-filling valve for tyre
04/22/1998CN2279488Y Micro-resistance slow-closing suction vavle
04/22/1998CN2279487Y Energy-saving noise silencing check valve
04/22/1998CN2279486Y Fumes central discharge tube with non-return device
04/22/1998CN1179737A Airless paint sprayer outlet check valve
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