Patents for F16K 43 - Auxiliary closure means in valves, which in case of repair, e.g. rewashering, of the valve, can take over the function of the normal closure means; Devices for temporary replacement of parts of valves for the same purpose (865) |
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06/01/1999 | US5908046 Back seat rising stem gate valve |
05/18/1999 | US5904174 Auxiliary tap valve |
03/09/1999 | US5878769 Maintenance method and maintenance kit for a gate valve |
02/04/1999 | WO1999005439A1 Countertorque assembly for automatic valve actuator |
01/20/1999 | CN1205768A System for measuring differential pressure, flow, and level |
12/30/1998 | CN1041456C Stop valve or diaphragm valve capable of retaining normal open state and allowing pressurized maintenance |
12/04/1998 | CA2236916A1 Maintenance method and maintenance kit for a gate valve |
11/25/1998 | EP0759133B1 Valve/seal assembly and use thereof, in particular in a water metering unit |
11/18/1998 | EP0878649A2 Double seat valve |
10/27/1998 | US5826609 Sewer inspection chamber with back-flow prevention valve and method and apparatus for installing valve in sewer inspection chamber |
10/14/1998 | EP0848793A4 Hemispherical ball valve |
10/07/1998 | EP0868653A1 System for measuring differential pressure, flow, and level |
09/16/1998 | CN2291548Y Easy-to-maintain valve |
09/11/1998 | WO1998039588A1 Ball valve with improved valve seat and bonnet assembly |
09/01/1998 | US5799928 Ball valve with improved valve seat and bonnet assembly |
08/11/1998 | US5791364 Attachment for stopper for plastic gas pipelines |
07/30/1998 | WO1998032996A1 A tool for servicing stopcock valves |
07/28/1998 | CA2066498C Apparatus for use in servicing valves |
07/22/1998 | CN1188531A Valve bearing replacement method |
07/14/1998 | US5778919 Pipeline flow stopper with dual shafts |
06/24/1998 | EP0848793A1 Hemispherical ball valve |
06/18/1998 | WO1998026204A1 Method and sealing valve unit for controlling fluid flow through a passage |
06/03/1998 | CN2283168Y Quick opening and closing double cutting-off stop valve |
05/27/1998 | CN1182846A Regulation valve for radiator |
05/20/1998 | EP0843118A2 Radiator Valve |
05/07/1998 | DE19643440C1 Auxiliary closure for a meter |
04/28/1998 | US5743288 Valve having provision for replacing stem packing while the valve is under pressure |
04/22/1998 | CN1179819A Angle entry rotary valve |
04/08/1998 | EP0834032A1 Valve bearing replacement |
03/31/1998 | US5732731 Secondary seal bypass valve for gate valves |
03/18/1998 | CN2276593Y Complex valve capable of passing pipe cleaning apparatus |
11/05/1997 | EP0707694A4 Auxiliary tap valve |
09/12/1997 | CA2187987A1 Orifice plate assembly |
08/20/1997 | CN2260218Y Double casing double replacement type cock valve which may keep open position in normal condition |
08/20/1997 | CN2260217Y Quick assembled valve |
06/26/1997 | WO1997022855A1 System for measuring differential pressure, flow, and level |
05/14/1997 | CN2254138Y 安全阀 Safety valve |
05/13/1997 | US5628340 Automatic valve |
04/24/1997 | WO1997014853A1 Taps |
02/26/1997 | EP0759133A1 Valve/seal assembly and use thereof, in particular in a water metering unit |
02/13/1997 | WO1997005418A1 Hemispherical ball valve |
01/14/1997 | US5592965 For removal of a fluid valve from a fluid pressurized container |
01/09/1997 | WO1997001056A1 Valve bearing replacement |
11/06/1996 | CN2239554Y Replacing device of safety valve |
11/06/1996 | CN2239545Y Valve with protective face |
09/11/1996 | CN2235054Y Double-cutting-off type stop valve or diaphragm valve capable of charged repairing |
08/20/1996 | US5546983 Shut-off valve |
08/07/1996 | EP0724989A1 An anti-theft device for a motor vehicle |
08/07/1996 | CN1128332A Stop Valve or diaphragm valve capable of retaining normal open state and allowing pressurized maintenance |
07/02/1996 | US5531244 For controlling fluid flow |
06/25/1996 | US5529087 System for remotely servicing a top loading captive ball valve |
06/06/1996 | WO1996017196A1 Non-leaking valve |
04/24/1996 | EP0707694A1 Auxiliary tap valve |
04/23/1996 | US5509435 Non-leaking valve |
04/02/1996 | US5503177 Repair device for fluid distribution valves |
03/20/1996 | CN2222839Y Diaphragm valve or stop valve capable of pressure repairing |
01/16/1996 | US5484133 Manual override system for linear magnetically operated valve |
12/05/1995 | US5472011 No shut-off repair apparatus for stop valves |
11/23/1995 | WO1995031664A1 Valve/seal assembly and use thereof, in particular in a water metering unit |
09/16/1995 | CA2144680A1 Apparatus and method for installing a valve on or into an exisiting pipe |
07/11/1995 | US5430932 Apparatus for installing a valve on or into an existing pipe |
05/24/1995 | CN2198476Y Double sleeve cock for detecting and repairing with pressure |
04/11/1995 | US5404902 Isolation automatic control valve |
04/11/1995 | US5404899 Catchment device for machine parts and tools |
03/02/1995 | DE4430079A1 Method for the assembly of a piston valve and a piston-valve device |
01/17/1995 | US5381815 Method for isolating a relief valve |
01/05/1995 | WO1995000789A1 Auxiliary tap valve |
10/19/1994 | CN1026257C Separated self-control valve |
08/18/1994 | WO1994018481A1 A valve for installation on a pressurized fluid flow line |
08/18/1994 | CA2158135A1 A valve for installation on a pressurized fluid flow line |
08/02/1994 | US5333647 Manifold valve |
07/12/1994 | US5327923 Valve for installation on a pressurized fluid flow line |
05/17/1994 | US5312087 Low torque back seating stem for gate valve |
04/12/1994 | US5301712 For high temperature and/or abrasive service |
03/17/1994 | WO1994005938A1 Manual override system for linear magnetically operated valve |
09/21/1993 | CA1322362C Control valve |
08/24/1993 | US5238024 Pilot-operated diaphragm valve with separate on/off control |
08/03/1993 | CA1320942C Rotary valves |
07/20/1993 | US5228178 Apparatus for use in servicing valves |
07/13/1993 | US5226449 Manifolds and compound valves with removable valve assemblies |
06/23/1993 | CN2136921Y Cutoff valve for replacing and repairing of tap |
05/26/1993 | CN2134566Y Automatic water cut-off device for tap change |
05/18/1993 | CA1317926C Non-rising stem valve assembly and method of replacing a permanent seal |
05/16/1993 | CA2055623A1 Gas control valve |
04/14/1993 | CN1020301C Non-rising stem valve |
03/09/1993 | CA1314274C Readily inspectable and cleanable emergency valve for storage tank |
01/07/1993 | EP0521485A2 Automatic control valve with isolation device between pilot and main valve |
12/02/1992 | CN1066715A Separative self controlling valve |
10/28/1992 | EP0510844A1 Apparatus for use in servicing valves |
10/28/1992 | CN2120228U On-line cleaning and descaling radiator automatic exhaust valve |
08/25/1992 | US5141012 Cartridge-type disconnectable pressure relief valve system |
07/08/1992 | EP0493972A2 Manifold valve |
06/02/1992 | US5118073 Valve |
04/22/1992 | CN2102423U Combined water tap with anti-leakage function on dismantling and fitting |
04/15/1992 | EP0338030B1 Apparatus for maintenance of ball valve |
03/04/1992 | CN2097934U Water tap handle control unit |
02/18/1992 | CA1295983C Ball valve |
12/31/1991 | US5076317 Rotor handling system for rotary valves |
09/04/1991 | EP0444879A1 Improved control valve |
06/06/1991 | DE3939975A1 Sanitary ware fitment with housing - has preliminary shut=off valve with sieve holder as screw part, with valve disc and seating and compression spring |