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)
12/2012
12/06/2012US20120305101 Multi-port tire valve
12/06/2012DE102011050713A1 Ventil mit einem einteiligen Ventilkörper Valve with a one-piece valve body
12/05/2012EP2530321A1 Compressor
12/05/2012EP2529137A1 Pressure control valve
12/05/2012CN202580163U Air nozzle valve body of inflating object
12/05/2012CN202580162U Improved inflating valve
12/05/2012CN202580161U Valve
12/05/2012CN202580160U Air inflation valve device and air inflation suit
12/05/2012CN202580159U Normally-closed type stop valve
12/05/2012CN202580158U High temperature ultra-wearable valve special for catalyst
12/05/2012CN202580157U High-temperature wear-resistant special valve for catalyst
12/05/2012CN202580156U Hanging gate type operation seat of extraction check valve
12/05/2012CN202580155U Pressure difference check valve
12/05/2012CN202580154U One-way venting valve
12/05/2012CN202580153U One-way overflow pile-up valve
12/05/2012CN202580152U Adjustable check valve
12/05/2012CN202580151U Up-down-opening check fire-retarding valve
12/05/2012CN202580150U Low-pressure-opening swing check valve
12/05/2012CN202580149U Valve clack
12/05/2012CN202580148U 止回阀 Check
12/05/2012CN202580147U Slow-closure type hydraulic check valve
12/05/2012CN202580146U Diagonal butterfly slow closing check valve
12/05/2012CN202580133U Platy type multi-way valve
12/05/2012CN202574200U Vacuum pump check valve for automobile
12/05/2012CN102812274A Valve for integrating into a sanitary appliance
12/05/2012CN102811919A 阀总成 Valve assembly
12/05/2012CN102808977A High exhaust check valve of critical and supercritical thermal power generating set valve
12/05/2012CN102808976A One-section extraction check valve
12/05/2012CN102808975A Eccentric check valve
12/05/2012CN101952627B Dry-break fuel receiver with integral back-flow prevention
12/05/2012CN101922572B Spool
12/04/2012US8322378 I-beam check valve
12/04/2012CA2540633C Valve assembly
11/2012
11/29/2012WO2012162023A2 Undulating sealing surface with raised ridge
11/29/2012WO2012161634A1 Device for achieving single-direction flow in channels, pipes, etc
11/29/2012US20120301341 Compressor
11/29/2012US20120298385 Fuel System Inlet Check Valve with Flame Arresting feature
11/29/2012DE102011076461A1 Rückschlagsperrventil und Rohrverbindung Check check valve and pipe
11/29/2012DE102011076443A1 Rückschlagventil für Sprühdüse und Düsenrohr Check valve for spray nozzle and nozzle tube
11/28/2012EP2527699A2 Check valve for spray nozzle and nozzle tube
11/28/2012EP2527698A1 Non-return valve and tube connection
11/28/2012EP2527696A1 Flow control device
11/28/2012EP2526282A1 Non-return valve for an internal combustion engine and method for producing such a non-return valve
11/28/2012EP2526267A1 Valve for controlling a gas flow, liquid separator, ventilation system and internal combustion engine comprising such a valve
11/28/2012EP2526266A1 Non-return valve for an internal combustion engine and method for producing such a non-return valve
11/28/2012EP2526232A2 Dry trap valve for use in a non-flushing urinal and others drains
11/28/2012EP2525753A1 Pressure regulation mechanism for inflatable in-ear device
11/28/2012CN202562147U One-way valve throttling device for air conditioner
11/28/2012CN202561162U Inflation hard tube of ball type inflation products
11/28/2012CN202561161U Multipurpose spherical valve
11/28/2012CN202561160U Copper-plastic compound type dual check backflow-prevention device
11/28/2012CN202561159U Elastic soft seal adjusting valve
11/28/2012CN202561158U Diameter-different horizontal lifting check valve
11/28/2012CN202561157U Faucet
11/28/2012CN202561156U Adjustable check valve
11/28/2012CN202561155U Anti-high-pressure flow-stabilization type micro-resistance check valve
11/28/2012CN202561154U Rotation-preventing ball check valve
11/28/2012CN202561153U Pressure-adjustable ball check valve
11/28/2012CN202561152U Constant pressure type ball check valve
11/28/2012CN202561151U Decompression type ball check valve
11/28/2012CN202561150U Ball core plastic check valve for pipes
11/28/2012CN202561149U Noise elimination buffer check valve
11/28/2012CN202561148U Inclined disk type collision-free check valve
11/28/2012CN202561147U Pressure seal type check valve with support frame arranged inside
11/28/2012CN202561146U Pin-type built-in dual-disc check valve
11/28/2012CN202561145U Novel two-sheet built-in heavy-caliber tilting disc check valve
11/28/2012CN202561144U Flow-stabilization type micro-resistance check valve
11/28/2012CN202561143U Micro-resistance check valve
11/28/2012CN202561142U Fireproof check valve for kitchen flue
11/28/2012CN202561141U Horizontal lift check valve
11/28/2012CN202561140U Y-shaped DC (Direct Current) type pressure sealing stop check valve
11/28/2012CN202561139U Check valve with replaceable valve core
11/28/2012CN202561138U Novel two-sheet built-in type built-in device for large-caliber inclined valve clack check valve
11/28/2012CN202561059U Elastic constant-pressure hydraulic control valve
11/28/2012CN202561058U Hydraulic control valve capable of preventing reverse flow
11/28/2012CN102803801A Flowline flapper valve
11/28/2012CN102797880A Non-return valve and tube connector
11/28/2012CN102797879A Single-flap swing check valve
11/28/2012CN102797878A Rubber-flap check valve
11/28/2012CN102797875A Bidirectional one-way valve and control method thereof
11/28/2012CN102352930B Lower-limiting installation method for top rod of clamping spring type liquid charging valve, special clamping spring guide rod and special clamping spring tightening sleeve
11/28/2012CN101936023B Recycled water automatic lifting device
11/27/2012US8317498 Valve-seat interface architecture
11/27/2012US8316890 Port closure system with hydraulic hammer resistance
11/27/2012US8316882 Mechanical fuse to seal pipes upon unintended rupture
11/22/2012WO2012119576A3 Vibration damper for hydraulic systems
11/22/2012US20120291889 Oil control valve and variable valve lift system provided with the same
11/22/2012US20120291888 Undulating sealing surface with raised ridge
11/22/2012US20120291885 Alternative Pressure Control for a Low Constant Pressure Injection Molding Apparatus
11/21/2012CN202546000U Backflow prevention strainer valve
11/21/2012CN202545932U Oil fume discharge fireproofing check valve with function of automatic air discharge quantity adjustment
11/21/2012CN202545930U High-sensitivity fireproof check valve
11/21/2012CN202545905U Core body of valve core
11/21/2012CN202545904U Core body of valve core
11/21/2012CN202545903U Marine bilge valve
11/21/2012CN202545902U Spherical sealing high-pressure check valve
11/21/2012CN202545901U Ceramic microresistance ball check valve
11/21/2012CN202545900U Oil pressure buffer and non-return valve thereof
11/21/2012CN202545899U Hydraulic self-control check valve
11/21/2012CN202545898U Inclined butterfly slow closing check valve
1 ... 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 ... 182