Patents for F16K 35 - Means to prevent accidental or unauthorised actuation (4,027)
07/1992
07/30/1992DE4102304A1 Valve with movable slider acting as lock - has eccentric at end of slider to lock between abutment and engaging faces
07/29/1992EP0495925A1 Stop cock for a liquid container.
07/29/1992CN2111412U Safety tap
07/14/1992US5129420 Cut-off valve
06/1992
06/28/1992WO1992012377A1 Low spill identical half coupling
06/28/1992WO1992012372A1 Coupling security and safety latch system
06/17/1992CN2107574U Gas theft-proof switch
06/10/1992EP0489456A1 Dispensing devices with multiple-way tap
05/1992
05/27/1992EP0487215A2 Dump valve assembly
05/26/1992US5116018 Lockout modules
05/26/1992US5115834 Valve-locking device
05/23/1992CA2054469A1 Dump valve construction
05/13/1992CN2104350U 变压器用阀门 Transformer valves
05/05/1992CA1299977C Viscous drive with variable pump action
04/1992
04/16/1992WO1991005707A3 Stop cock for a liquid container
04/08/1992CN2101152U Autematic turn-off water tap when water cut-off
03/1992
03/31/1992US5099883 Low spill identical half coupling
03/10/1992US5094265 Apparatus for locking a valve actuating member
03/04/1992EP0473463A2 Valve operating handle
03/03/1992US5092359 Handle enclosure for valves
02/1992
02/25/1992US5090449 Coupling security and safety latch system
01/1992
01/29/1992CN2094653U Duty controlling type water saving valve
01/22/1992CN2093946U Safety cover of domestic gas pipeline switch
01/22/1992CN2093932U Lock-control switch
01/21/1992US5082023 Single-handle faucet
12/1991
12/25/1991CN2091395U Valve open angle display and self-lock device
12/24/1991US5074134 Lockable adjustment mechanism
12/17/1991US5072913 Spring loaded locking handle for angle cock or the like
12/06/1991WO1991019121A1 Improved ported gate valves, method and apparatus
12/03/1991US5069421 Safety device for a pneumatic tool
11/1991
11/19/1991US5065787 Choke valve safety device
10/1991
10/29/1991US5060909 Shut-off valve for fluids
10/22/1991US5058758 Compressed gas cylinder valve and gauge protector
10/22/1991US5058622 Valve lock assembly
10/16/1991CN2086829U Self-closed water valve
10/01/1991US5052655 Ball valve lock plate
09/1991
09/18/1991CN2085013U Sealed valve security device
09/18/1991CN2085012U Valve security device with apparent rods
09/10/1991US5046523 Lock core service valve
09/08/1991CA2011796A1 Valve cover
08/1991
08/22/1991DE4005424A1 Shutter valves for gas in adjacent branched pipes - has each shutter controlled by single drive, opening one shutter while closing other and vice=versa
08/13/1991US5039062 Tamper proof valve
08/08/1991DE4002926A1 Safety valve with variable operating pressure - has adjusting screw and lock-nut enclosed in close-fitting plastics housing
08/06/1991US5037066 Valve for cylinders of compressed or liquefied gas
07/1991
07/17/1991CN2081025U 锁式阀门 Lock valve
07/09/1991US5029808 Lock assembly for valve
07/02/1991US5027857 Switching microelectrovalve having a single diaphragm
06/1991
06/26/1991CN2079692U Angle type safety switch with over-current auto-closing function
06/25/1991US5026026 Locking device for gas regulator and control apparatus
06/12/1991EP0432070A1 Inviolable dispensing tap provided with a taxation device
05/1991
05/28/1991US5018552 Valve assembly for packing fluid under pressure and packing provided with such assembly
05/22/1991CN1012652B Shut-off valve for fluids
05/14/1991US5014528 Tamper-proof locking mechanism for quarter turn valves
05/08/1991EP0426639A1 Single-handle faucet
05/01/1991CN2076192U Mechanically posioning butterfly valve with lock
04/1991
04/07/1991WO1991005707A2 Stop cock for a liquid container
04/07/1991CA2065360A1 Stop cock for a liquid container
04/02/1991US5004210 Gate valve
04/02/1991US5003797 Lockout device for valves with lever handles
03/1991
03/19/1991CA1281667C Safety cap for valve on high-pressure cylinder
02/1991
02/26/1991US4995421 Fluid control
02/26/1991CA1280624C Interlock valve and control
01/1991
01/15/1991US4984667 Coupling device
12/1990
12/19/1990CN2067781U Self-locking safety ball valve
12/18/1990US4977641 Lever handle assembly for sanitary fixtures
12/05/1990EP0401072A1 Valve assembly for a packing under fluid pressure and packing provided with such an assembly
11/1990
11/20/1990US4971289 Valve assembly and locking means therefor
11/20/1990US4971092 Pivotal control housing
11/06/1990CA1275981C Vapor valve
11/06/1990CA1275821C Theft-resistant valve
10/1990
10/31/1990EP0394860A1 Hydraulic valve
10/16/1990US4962785 Safety valves
09/1990
09/26/1990CN2062776U Protective device for valve
09/19/1990EP0387634A1 Armature with stroke limitation
09/05/1990CN2061637U Self-closing valve for liquefied gas
08/1990
08/22/1990CN2060837U Multi-purpose valve
08/16/1990EP0321500B1 Stop valve for fluids
08/07/1990US4946130 Flow control device
08/07/1990US4945940 Tamper proof backflow prevention assembly
07/1990
07/31/1990US4944484 Gate valve with locking handles
06/1990
06/27/1990EP0375475A1 Security device for assembling both parts of a tap body
05/1990
05/29/1990US4928506 Anti-theft locking valve for motor vehicles
05/23/1990EP0369600A1 Stop valve
05/22/1990US4926900 Valve assembly and locking means therefor
04/1990
04/04/1990CN2055558U Fire-proof regulating-valve actuator
04/03/1990US4913190 Detent mechanism for a control valve
03/1990
03/27/1990US4911198 Securing system for automatically operated valve systems
03/20/1990US4909275 Latching handle
03/15/1990DE3830312A1 Handle for a sanitary fitting
03/14/1990CN2054511U Safety throttling valve for water and gas
03/07/1990CN2054133U Lockset
03/06/1990US4905863 Vent for portable gas tank or the like
02/1990
02/28/1990EP0355457A2 Valve structure with key-operated lock
02/28/1990EP0355301A2 Gate valve
02/13/1990US4899781 Tamper indicator assembly for valves and like devices
02/07/1990CN2052472U Controlled valve device by lock
01/1990
01/24/1990CN1039095A Pressure-controlled self-locked valve
01/03/1990EP0349377A1 Microelectric switch valve with one single diaphragm
01/03/1990CN2050520U Multifunction protective cover for valve
01/02/1990US4890506 Locking hand lever for operating a valve or the like
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