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)
12/2000
12/13/2000EP1059446A2 Variable capacity type compressor with check valve
12/13/2000EP1059445A2 Variable capacity type compressor with check valve
12/13/2000EP1059444A2 Variable capacity compressor with check valve with damper
12/13/2000EP1058798A1 Tank transport pressure relief valve assembly
12/13/2000CN2410505Y Explosion-proof valve for tyre
12/13/2000CN2410504Y Sampling one-way valve
12/13/2000CN2410503Y Automatic change check valve
12/13/2000CN2410502Y Non-return valve
12/13/2000CN1276496A Quantitative snift valve for pressure cylinder of hydraulic press
12/13/2000CN1276495A Variable displacement compressor with one-way valve
12/13/2000CN1276494A Variable displacement compressor with one-way valve
12/13/2000CN1276493A Variable displacement compressor with check valve
12/07/2000WO2000073686A1 One way anti-backflow valve
12/06/2000EP0910763A4 Valve for inflatable objects
12/06/2000CN2409391Y One-way controlling valve
12/05/2000US6155299 Windshield washer valve
12/05/2000US6155291 Backflow prevention apparatus
12/04/2000CA2307697A1 Retained seat check valve
11/2000
11/29/2000EP0890146A4 Vacuum actuated sheath valve
11/29/2000CN2408325Y Air valve nozzle with three sealing device
11/29/2000CN2408324Y Silencing non-return valve
11/29/2000CN2408323Y Binary check valve with filter function
11/28/2000US6152710 Discharge valve system for linear compressor
11/28/2000US6152173 Position indicating check valve
11/28/2000US6152171 Check valve
11/28/2000US6152114 Control valve for a jet pump
11/23/2000WO2000001936A3 Pressure valve
11/22/2000CN2407197Y Anti-blowback ventilator of gas water heater
11/21/2000US6149814 Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography
11/21/2000US6149129 Valve system having tapered sealing portions
11/21/2000US6149125 Positively controlled ball valve
11/21/2000US6148788 Valve for liquids
11/21/2000CA2032417C Scroll compressor with discharge valves
11/16/2000WO2000068105A1 Nozzle of fluid container and fluid container having the nozzle
11/16/2000WO2000068038A1 A valved dispensing system with hydraulic hammer protection for the valve
11/16/2000WO2000001937A3 Pressure valve
11/16/2000CA2369314A1 A valved dispensing system with hydraulic hammer protection for the valve
11/15/2000EP1052023A1 Dispensing head and container provided with such a device
11/15/2000CN2406129Y Micro-resistance slowly-closing non-return valve
11/15/2000CN2406128Y High-low-pressure non-return valve group
11/15/2000CN2406127Y Bent type non-return stop dual-purpose valve
11/14/2000CA2217180C Thermodynamical aspiration valve
11/10/2000CA2308865A1 Distributor head and recipient with such a head
11/09/2000WO2000029192A3 A cartridge for contamination-free dispensing and delivery systems
11/08/2000CN2405090Y Liquid control and isolation device for valve
11/08/2000CN2405089Y Noise elimination check valve
11/07/2000US6142168 Pressure regulating tire valve and core
11/07/2000US6142037 Transmission check valve
11/07/2000CA2203304C Molded rubber valve seal for use in predetermined type valves, such as, a check valve in a regenerative desiccant air dryer
11/02/2000WO2000064513A1 Pressure responsive valve for use with an intravesical infuser
11/02/2000DE19916801A1 Spritzdüse für eine Scheibenwaschanlage Spray nozzle for windshield washer
11/01/2000CN2403969Y 双向止回阀 Two-way check valve
11/01/2000CN2403968Y 带锁龙头 Lockable faucet
11/01/2000CN2403967Y Non-return valve
11/01/2000CN2403966Y Non-return valve
10/2000
10/31/2000US6138852 Fuel tank
10/31/2000US6138711 Air valve for an inflatable device
10/25/2000CN2402893Y Slow-closing control system for non-return valve
10/25/2000CN2402892Y Needle valve type superhigh pressure check valve
10/25/2000CN1271065A Valve structure with profile holder
10/24/2000US6136253 Injection molding an elastomer and ejection of a body
10/24/2000US6135311 Drink valve
10/19/2000WO2000061410A1 Spray nozzle for a windscreen washer system
10/19/2000DE19917523A1 Flexible valve for appliance which converts sea wave energy into electric energy
10/19/2000DE19917247A1 Protective pump fitting minimises pump energy losses
10/19/2000DE19912645C1 Vehicle fuel tank filling pipe has an axial gap or wall section at the non-return valve between the sealing plane and the fuel inflow window to prevent any spit-back
10/18/2000EP1044339A1 Duckbill valve with crescent shaped lips
10/18/2000CN2401751Y One-way valve for inlet pipe of drinking water machine
10/18/2000CN1057491C Ink cartridge for ink jet printer
10/17/2000US6132364 Heart assist system and method
10/17/2000US6132176 Flow control sensor and method for filling of a filter press
10/17/2000US6131610 Speed controller with pilot check valve
10/17/2000US6131606 Moving check valve seat providing high pressure relief
10/17/2000US6131605 Automatic drain for freight container
10/11/2000CN2400656Y Straight-flow check valve
10/11/2000CN2400655Y Pressure-limiting check valve for vehicles
10/11/2000CN2400647Y Controllable pipeline air evacuation valve
10/11/2000CN1269490A Kitchen ventilator
10/10/2000US6129714 Medical drainage means
10/10/2000US6129491 Inflatable device with pressure limiting valve
10/10/2000US6129116 Sealing devices
10/10/2000US6129111 Damper valve configuration
10/10/2000US6129002 Valve arrangement, especially for a pneumatic control system
10/04/2000EP1040024A1 Fuel tank one-way flow valve quick connector
10/04/2000CN2399577Y Self-control silencing check valve
10/04/2000CN2399114Y 手动喷雾器阀球 Hand Sprayer ball
10/04/2000CN1269000A Improvements to pump body and method for making same
10/03/2000US6126403 Diaphragm pump
09/2000
09/28/2000WO2000056583A1 Spray nozzle for a windscreen washing system
09/28/2000DE19912975A1 Spritzdüse für eine Scheibenwaschanlage Spray nozzle for windshield washer
09/27/2000EP1037688A1 Valve for drainage of left ventricle
09/27/2000CN2398487Y Inflation automatic valve
09/26/2000US6123528 Reed discharge valve for scroll compressors
09/26/2000US6123102 High pressure shut-off valve
09/20/2000CN2397329Y Dual-purpose air valve
09/20/2000CN2397328Y Double controlling check valve
09/20/2000CN2397327Y Three controlling check valve
09/19/2000US6119723 Apparatus for varying the flow area of a conduit
09/19/2000US6119713 Apparatus to prevent rapid multiple flushing
09/13/2000EP1035376A1 Check valve for use in a gas fired water heater
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