Patents for F16K 51 - Other details not peculiar to particular types of valves or cut-off apparatus (6,025)
04/1985
04/30/1985US4513779 Metering valve
01/1985
01/08/1985US4492149 Pressure relay adapted to signal the position of the movable member of a jack
10/1984
10/30/1984CA1176948A1 Rolling diaphragm vacuum control
10/23/1984US4478242 Finger-actuated push-pull slideable dispensing valve
09/1984
09/11/1984US4470576 Slide valve assembly
08/1984
08/21/1984US4466455 Rolling diaphragm vacuum control with check valve
07/1984
07/17/1984US4460155 Tank discharge valve with pressure assisted seat
07/10/1984US4458905 Sealing device for a high-vacuum closure
07/10/1984US4458543 Cleanable sampling valve
07/03/1984US4457488 Sluice valve arrangement
06/1984
06/19/1984CA1169411A1 Valve for handling hot caustic alumina solution with provision for grinding
06/12/1984US4453698 Stuffing box with O-ring detent for control mechanism of emergency valve
05/1984
05/29/1984CA1168063A1 Cleanable sampling valve
05/22/1984US4449692 Drain construction for a radiator
05/08/1984US4447039 Bottom operable tank car valve having external rotation stop
04/1984
04/03/1984US4440193 For use in controlling flow of liquid accumulated in a closed vessel
04/03/1984CA1164844A1 Fire-safe valve actuator
02/1984
02/28/1984US4433703 Panel mounted vacuum control valve
02/14/1984US4431162 Low profile cone valve assembly
01/1984
01/10/1984US4424825 Fast closing valve
12/1983
12/20/1983US4421297 Self-closing fluid dispensing valves
11/1983
11/01/1983CA1156122A1 Back-flow prevention valve
09/1983
09/28/1983EP0089563A2 Valve actuating device, especially for vacuum valves
09/26/1983EP0082870A4 Valve bonnet for high temperature service.
08/1983
08/30/1983CA1153114A1 Method of sensing malfunctions of check valve mounted in pipeline and apparatus therefor
07/1983
07/26/1983US4395049 Metallic sealing device for a high-vacuum closure
07/06/1983EP0082870A1 Valve bonnet for high temperature service
07/05/1983US4391289 Check valve for rod out
06/1983
06/28/1983US4390036 Rolling diaphragm vacuum control
03/1983
03/08/1983US4375821 Control value
02/1983
02/16/1983EP0071750A2 Butterfly valve with exact through-flow cleft adjustment for vacuum-technical installations
02/15/1983CA1141290A1 Spherical accumulator with buoyant float
02/09/1983EP0062060A4 Back-flow prevention valve.
01/1983
01/19/1983EP0069737A1 Anti-static device for ball valves
01/04/1983US4366834 Back-flow prevention valve
12/1982
12/09/1982WO1982004301A1 Valve bonnet for high temperature service
11/1982
11/30/1982US4361310 Quick release drain plug
10/1982
10/26/1982CA1134234A1 Flow regulating device for arterial catheter systems
10/13/1982EP0062060A1 Back-flow prevention valve.
09/1982
09/15/1982EP0059857A1 Cleanable valve for taking samples
08/1982
08/17/1982US4344454 Valve bonnet for high temperature service
08/17/1982US4344452 Water feed valve with sprinkling holes
08/10/1982US4343455 High vacuum valve construction
06/1982
06/08/1982US4333631 Pipe valve assembly with metal valve slide for high vacuum installations
05/1982
05/18/1982CA1123790A1 Drink dispenser spigot with splash deflector
04/1982
04/29/1982WO1982001407A1 Back-flow prevention valve
04/01/1982WO1982001052A1 Anti-static device for ball valves
03/1982
03/09/1982US4318532 High vacuum valve having a metal-to-metal sealing joint
03/09/1982US4318531 Low profile cone valve assembly
03/02/1982CA1119076A1 Pushbutton diverter
02/1982
02/17/1982EP0045785A1 A fluid device.
02/16/1982EP0045785A4 A fluid device.
02/09/1982US4314584 Angle valve
02/02/1982US4313591 Combination top operable and bottom operable tank lading valve assembly
01/1982
01/12/1982US4310145 Combination top operable and bottom operable tank lading valve assembly
12/1981
12/15/1981CA1114355A1 Top operated tank car lading valve also operable from the bottom
12/02/1981EP0041007A1 Pressure relay for signalling the position of the movable element of a pressure cylinder
10/1981
10/06/1981CA1110220A1 Top operated tank car clapper valve
09/1981
09/22/1981US4290614 Sealing construction for vacuum connection
09/01/1981CA1107946A1 Refacing tool for valve seats
08/1981
08/20/1981WO1981002335A1 A fluid device
07/1981
07/28/1981US4280679 Dually-operated tank car bottom unloading valve
07/14/1981US4278105 Spherical accumulator with buoyant float
06/1981
06/09/1981US4272053 Combination top operable and bottom operable tank lading valve assembly
06/09/1981US4271986 Drink dispenser spigot with splash deflector
06/02/1981US4270729 Top operated tank car clapper value
06/02/1981US4270727 Spring loaded plug valve
05/1981
05/26/1981US4269220 Tank valve mounting arrangement
05/20/1981EP0028851A1 Method of drawing off inflammable or dangerous fluids with the aid of a safety valve
05/19/1981US4268010 Operating handle for bottom operated railway tank car valve
05/19/1981US4267856 Fluid oscillator
05/12/1981US4266570 Angle valve
04/1981
04/07/1981CA1098796A1 Container corner-valve
03/1981
03/17/1981CA1097604A1 Combination top operable and bottom operable tank lading valve assembly
03/17/1981CA1097603A1 Bellows valve
03/03/1981US4253642 Valve stem lubricating plate
02/1981
02/10/1981US4249716 Valve clamp assembly
01/1981
01/27/1981US4246926 Apparatus for removing residual water from a water system
01/13/1981US4244557 High vacuum seal
12/1980
12/30/1980US4241754 Pushbutton diverter
12/23/1980US4240607 Top operated tank car lading valve also operable from the bottom
12/09/1980US4238111 Gate valve for use with vacuum equipment
12/09/1980US4237927 Automatic air inlet and outlet valve assembly
09/1980
09/30/1980US4224959 Clamp for liquid-dispensing valve
09/23/1980CA1086291A1 Device for maintaining a vacuum in a compartment of a rotating member
07/1980
07/15/1980US4212317 Vacuum interlock
07/08/1980US4211087 Device for maintaining a vacuum in a compartment of a rotating member
05/1980
05/27/1980US4204784 Tools for reconditioning a valve seat in a tap
05/27/1980US4204661 Wasteless connecting valves
05/27/1980US4204558 Valve assembly having remotely replaceable bearings
05/06/1980US4201366 Bellows valve
03/1980
03/11/1980US4192348 Fluid control unit
10/1979
10/30/1979US4172581 Vacuum metering valve construction
07/1979
07/24/1979US4161958 Fixture assembly for removing operating assembly from bottom operable tank car valve while closure portion remains in closed position in the tank
06/1979
06/05/1979US4157169 Fluid operated gate valve for use with vacuum equipment
03/1979
03/27/1979CA1051508A1 Port closure apparatus for differentially pressured vessels
03/20/1979US4144901 Probe system for containers
01/1979
01/30/1979US4136854 All-metal lift valve for high-vacuum applications
11/1978
11/28/1978CA1043221A1 Sleeve valve
10/1978
10/10/1978CA1040050A1 Automatic vacuum stabilizing valve
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