| Patents for F16K 35 - Means to prevent accidental or unauthorised actuation (4,027) |
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| 08/19/2003 | US6606888 Lock structure for ammonia nurse tank valve units |
| 08/14/2003 | US20030150488 Hydrant security device |
| 08/13/2003 | CN2566084Y Magnetic controlled lock valve |
| 08/13/2003 | CN2566083Y Magnetic coding watermeter front valve locking connector |
| 08/13/2003 | CN2566073Y Control valve |
| 08/13/2003 | CN2566072Y Angle valve |
| 08/13/2003 | CN2566068Y 带锁闸阀 Lockable gate |
| 08/12/2003 | US6604391 Security lock assembly for shut-off valve |
| 08/06/2003 | CN2564824Y Anti-theft device for valve |
| 07/30/2003 | CN2563392Y Electromagnetic valve with lead seal locking ring |
| 07/29/2003 | US6598850 Butterfly valve locking apparatus |
| 07/24/2003 | US20030136933 Spanner for a ball valve |
| 07/24/2003 | US20030136446 Gas isolation box |
| 07/23/2003 | EP1078186B1 Safety contrivance for gas-using device |
| 07/23/2003 | CN2562012Y Magnetic locking valve with telescopic adaptor |
| 07/23/2003 | CN1431415A Lock controlled valve |
| 07/16/2003 | CN1430710A 自动阀装置 Automatic valve device |
| 07/15/2003 | US6592097 Device for securing the position of the actuator rod with motor having safety actuation |
| 07/15/2003 | US6592096 Safety device for taps for pasteurizing machines |
| 07/10/2003 | US20030127138 Security device |
| 07/09/2003 | EP1326040A1 Security device |
| 07/02/2003 | CN2558822Y 控制阀门 Control Valves |
| 07/02/2003 | CN1113179C Manually actuated diaphragm valve with lockout feature for open and closed positions |
| 07/01/2003 | US6585003 Rising stem soft seat plug valve |
| 06/25/2003 | CN2557776Y Valve with lock |
| 06/25/2003 | CN2557775Y Lock control valve for controlling pipe line fluid |
| 06/19/2003 | US20030111624 Safety system for mobile anhydrous ammonia fertilizer system |
| 06/18/2003 | CN2556450Y Lock-type valve |
| 06/18/2003 | CN2556443Y Anti-theft automatic valve for automotive vehicle |
| 06/18/2003 | CN2556442Y Pressure stabilizing constant-flow valve device |
| 06/17/2003 | US6578600 Gas handling devices that are capable of supplying, evacuating and purging a process gas and are also capable of handling multiple process gases in a single gas handling device |
| 06/05/2003 | WO2003046420A1 Device for locking a component that is guided in a longitudinally movable manner |
| 06/04/2003 | CN2554446Y Electronic unti-theft valve open-close mechanism |
| 06/04/2003 | CN2554445Y Valve open-close mechanism wift cipher lock and anti-theft device |
| 06/04/2003 | CN2554444Y 带锁阀门 Lockable valve |
| 06/04/2003 | CN2554441Y Hydraulic anti-theft valve switch mechanism |
| 06/04/2003 | CN2554431Y Closed magnetism locking sluice valve |
| 05/28/2003 | CN2553218Y Valve with locking cap |
| 05/27/2003 | US6568654 Positive locking valve control device |
| 05/27/2003 | US6568424 Method and valve for preventing unauthorized access |
| 05/21/2003 | CN2551838Y Gate valve lock for heating pipeline |
| 05/21/2003 | CN2551837Y Valve device with lock |
| 05/20/2003 | US6565464 Hydraulically controlled transmission |
| 05/14/2003 | CN2550607Y Anti-theft cipher locking device for valve |
| 05/14/2003 | CN2550606Y Locking valve |
| 05/14/2003 | CN2550588Y Ball valve with lock |
| 05/14/2003 | CN2550584Y Self closing two-way valve |
| 05/14/2003 | CN1417419A Load driver |
| 05/07/2003 | CN2549293Y Magnetic coding lock of valve |
| 05/07/2003 | CN2549292Y 阀门 Valve |
| 04/30/2003 | CN2547985Y Valve safety box |
| 04/23/2003 | CN2546711Y Antiburning tap |
| 04/17/2003 | US20030071236 Method of deforming a pattern and semiconductor device formed by utilizing deformed pattern |
| 04/16/2003 | EP1302712A2 Hand operated rotary actuated valve |
| 04/16/2003 | CN2545449Y Antisawing antipicking puzzle theftproof lock for gate |
| 04/10/2003 | US20030066166 Valve cover |
| 04/09/2003 | CN2544158Y Adjusting type locking valve |
| 04/08/2003 | US6543467 Method for limiting access to a valve for vehicle tires |
| 04/02/2003 | EP1232357A4 Tap |
| 03/26/2003 | CN2541696Y Magnetic-controlled anti-theft valve |
| 03/26/2003 | CN2541695Y Superpressure preventing and detaching proof micropressure limiter |
| 03/26/2003 | CN2541688Y Ball cock with lock |
| 03/25/2003 | US6536742 Multi-way cock |
| 03/19/2003 | EP1292788A1 A spanner for a ball valve |
| 03/19/2003 | CN2540538Y Water meter shutoff valve |
| 03/18/2003 | CA2305044C Temperature lock stop for faucets |
| 03/18/2003 | CA2257465C Spring loaded valve handle |
| 03/13/2003 | US20030047373 Locking mechanism for protection of the hydraulic circuit, called hydra lock, mostly for trucks |
| 03/12/2003 | CN2539890Y Regulating valve with protective cover |
| 03/06/2003 | WO2003019060A1 Child resist cover for a faucet |
| 03/05/2003 | EP1287279A1 Automatic valve device |
| 03/05/2003 | CN2539037Y Locking-type valve |
| 03/04/2003 | US6527248 Solenoid valve with a manual control pushbutton |
| 02/19/2003 | CN2536869Y Anti-scalding tap |
| 02/19/2003 | CN2536868Y 伸缩式锁闭阀 Telescopic locking valve |
| 02/19/2003 | CN2536855Y Direct opening ball valve with capped lock |
| 02/12/2003 | CN2535637Y 防盗阀门 Theft valve |
| 02/06/2003 | US20030024284 Method and apparatus for locking a water main valve |
| 02/04/2003 | US6513556 Flexible hose passive shut down system |
| 01/23/2003 | WO2002052183A9 Lock operated valve for liquid |
| 01/22/2003 | CN2532336Y Valve with locking mechanism |
| 01/22/2003 | CN2532335Y Temp. detection regulation cat off valve |
| 01/15/2003 | CN2531211Y Valve with control means |
| 01/15/2003 | CN2531192Y Wind pressure self-controlling angle cock |
| 01/15/2003 | CN2531188Y Adjustable magnetic lock-control sluice valve |
| 01/02/2003 | US20030001124 Safety device of water faucet |
| 01/01/2003 | CN2529018Y Anti-theft valve with lock |
| 12/25/2002 | CN2527820Y Valve for puzzle lock |
| 12/25/2002 | CN2527819Y Tow-point locking valve |
| 12/25/2002 | CN2527797Y Tubular locking valve |
| 12/24/2002 | CA2284741C Automatic back water valve system |
| 12/18/2002 | EP1266160A1 Water meter fixtures |
| 12/18/2002 | CN2526636Y Lock-type worm and wormwheel drive |
| 12/18/2002 | CN1096590C Valve for pressurized containers |
| 12/17/2002 | US6494065 Valve lockout/tag out system |
| 12/12/2002 | US20020187573 Method of deforming a pattern and semiconductor device formed by utilizing deformed pattern |
| 12/11/2002 | CN2525335Y 阀门锁 Valve Lock |
| 12/11/2002 | CN2525332Y Water tap of drinking machine |
| 12/11/2002 | CN1384299A 带锁阀门 Lockable valve |
| 12/04/2002 | CN2524042Y Lock valves with cover and for enabling to operate |