Patents for F16K 51 - Other details not peculiar to particular types of valves or cut-off apparatus (6,025)
06/1993
06/01/1993US5215121 Tube separator
05/1993
05/26/1993CN2134558Y Water-saving ice-free valve
05/11/1993US5209264 Check valve
05/06/1993DE4135566A1 High-vacuum metal seal - has expanding washer integral with dish-portion and flush with its beaded edge
04/1993
04/28/1993CN2130995Y Multipurpose magnetic valve for shower apparatus
04/06/1993CA1315763C Double block and vent system
03/1993
03/31/1993EP0534462A1 Contamination resistant bleed valve
03/30/1993US5197712 Leakage free bushing
02/1993
02/23/1993US5188141 Vacuum boost valve
02/16/1993US5186204 Linear solenoid valve apparatus
02/03/1993EP0525635A1 Vacuumtube with electrical insulation
01/1993
01/21/1993WO1993001437A1 Sealing element for valves
01/21/1993WO1993001434A1 Check valve
12/1992
12/29/1992US5174545 Contamination resistant bleed valve
12/22/1992US5172722 Stop valve for a vacuum apparatus
12/16/1992EP0518831A1 Ultra-low heat leak cryogenic valve
12/15/1992US5170990 Vacuum valve and a vacuum treating apparatus in which said vacuum valve is used
12/15/1992US5170988 Internal tank valve
12/15/1992US5170819 Valve system for mobile tank cars
12/08/1992US5168896 Mechanism for opening and closing valve
11/1992
11/11/1992CN2121596U Sanitary time-delay splash-proof water tap
11/05/1992DE4114122A1 Shut=off fitting for containers capable of sterilisation - is short with condensation opening to prevent mixing of fluids
11/03/1992CA1309638C Drainage valve
10/1992
10/27/1992US5158106 Ultra-low heat leak cryogenic valve
10/21/1992EP0509973A1 Tank bottom diaphragm valve
10/14/1992EP0508658A2 Aseptic valve construction
10/06/1992US5152504 Vacuum valve
10/06/1992US5152500 Aseptic valve construction
09/1992
09/30/1992CN1064939A Method and apparatus for aetermining set pressure of pilot operated pressure relief valve
09/29/1992US5150882 Treatment system having gate device for decompression chamber
09/29/1992US5150734 Processing apparatus at reduced pressure and valve used therefor
09/17/1992WO1992015813A1 Process for manufacturing the internal parts of a vacuum valve having a valve disc and pleated bellows, and internal valve parts manufactured by this process
09/17/1992WO1992015809A1 Valve, preferably a vacuum valve
09/16/1992EP0503819A2 Method and apparatus for determining set pressure of pilot operated pressure relief valve
09/10/1992DE4106762A1 Ventil, vorzugsweise vakuumventil Valve, preferably vacuum valve
09/10/1992DE4106761A1 Verfahren zur herstellung von ventilinnenteilen fuer vakuumventile mit ventilteller und faltenbalg sowie nach diesem verfahren hergestellte innenteile Process for the manufacture of valve inside share for vacuum valves with valve disc and bellows, and after this procedure produced inside parts
09/08/1992US5145152 High-vacuum valves
09/08/1992US5145151 Internal tank valve with valve lock
09/08/1992US5144978 Self-venting drain valve
09/02/1992EP0501145A1 Leakproof feedthrough
08/1992
08/23/1992WO1992014965A1 Piping system free of stagnation of fluid
07/1992
07/22/1992EP0495458A2 Pipe-separator
05/1992
05/26/1992US5116023 Low vibration high vacuum gate valve
05/20/1992EP0485800A1 Solenoid valve having an armature-mounted filter
05/05/1992CA1299970C Vacuum security valve having a buffer volume
04/1992
04/30/1992DE4033491A1 Flush fitting bottom outlet valve for a vessel utilising a spring biassed valve stem and a resilient seat - suitable for fluoro:polymer construction for use on glass vessels
04/21/1992US5105852 Tubular valve arrangement
04/07/1992US5101861 Slide valve
04/02/1992DE4023845C1 Shut-off valve for semiconductor producinvacuum equipment - has valve disc pressed against valve seal by actuator and seal between disc and seat
03/1992
03/04/1992EP0473243A2 Butterfly valve to prevent dew condensation therefrom
03/04/1992EP0473118A1 Fitting
02/1992
02/11/1992US5087017 Valve body for non-sliding type gate valve
01/1992
01/22/1992EP0467356A2 Treatment system having gate device for decompression chamber
01/22/1992EP0467292A1 Gate valve
01/15/1992CN2093295U Vacuum combined valve
12/1991
12/24/1991CA1293494C Faucet spring
10/1991
10/30/1991EP0453867A1 Slit valve apparatus and method
10/08/1991CA1290308C Vacuum controller
08/1991
08/27/1991US5042776 Mobile tank car
08/20/1991US5040559 Modulating positive shutoff mechanism
08/08/1991WO1991011762A1 Servovalve apparatus for use in fluid systems
08/07/1991EP0440201A1 Servovalve apparatus for use in fluid systems
08/06/1991US5036885 Electromagnetic valve
08/01/1991CA2035074A1 Servovalve apparatus for use in fluid systems
07/1991
07/02/1991US5027850 Debris arrestor for valve bleed hole
06/1991
06/13/1991WO1991008412A1 Vacuum valve and vacuum treatment device using said vacuum valve
04/1991
04/09/1991US5005600 Servovalve apparatus for use in fluid systems
04/09/1991CA1282769C Gate valve for vacuum processing apparatus
03/1991
03/27/1991EP0418579A2 Internal tank valve
03/27/1991CN1012207B Double block and vent system
03/06/1991CN2072627U External thread moving joint
03/05/1991US4997006 Rotary valve for vacuum service use
01/1991
01/29/1991US4988075 Seal for valves or flanges, in particular for vacuum technology
01/29/1991CA1279552C Control stop for flushing system
01/22/1991US4986502 Safety drain plug
01/09/1991EP0406447A1 Valve body for non-sliding gate valve
01/02/1991CN2068632U Movable joint sluice valve and stop valve
12/1990
12/27/1990WO1990015977A1 Fluid control valve and system with leak detection and containment
12/25/1990US4979541 For use in hydraulic wheel brake system
12/19/1990CN1010874B Liquid gas cylinder valve device
12/11/1990US4976285 Universal self-venting drain valve
10/1990
10/17/1990EP0392995A2 Ultrahigh purity gas valve with encapsulated bellows
09/1990
09/19/1990CN2062396U Univeasal water delivering device attached on water tap
09/18/1990US4957018 Mechanism for selectively locking and unlocking a translatable shaft
09/04/1990US4953581 Self draining valve member for use in underground water lines
09/04/1990CA1273549A1 Clamping arrangement for lumber elements
08/1990
08/21/1990US4949747 Self-flushing fluid apparatus particularly useful in pulsator devices
08/16/1990EP0382406A2 Modulating positive shut-off mechanism
08/14/1990US4947890 For a throttle bypass passage of an internal combustion engine
07/1990
07/26/1990WO1990008275A1 Valve body for non-sliding gate valve
07/17/1990US4941410 Outlet valve assembly with an extended handle for a railway tank car
07/10/1990US4940209 Levered fluid drain valve
07/03/1990US4938376 Valve for safeguarding the outer container of double wall vacuum-insulated storage containers for low boiling liquified gases
07/03/1990US4938255 Sealer for vacuum containers
05/1990
05/01/1990US4921213 Valve slide
05/01/1990US4921015 Rotary vacuum valve
04/1990
04/18/1990EP0364407A2 Sealing for valves or flanges, especially for vacuum application
04/11/1990CN1007547B Globe valve having a dismountables seat for rapid maintenance
03/1990
03/20/1990US4909477 Vacuum dump valve
03/20/1990US4909271 Ultrahigh purity gas valve with encapsulated bellows
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