Patents for F16K 39 - Devices for relieving the pressure on the sealing faces (1,335)
04/1980
04/08/1980CA1075126A1 Balanced valve with pressure sensing means
03/1980
03/25/1980US4194528 Spherical valve seal piston detecting and locking arrangement
03/18/1980US4193418 Arrangement for preventing excess pressure in the housing of shut-off valves
01/1980
01/29/1980CA1070595A1 Valves
09/1979
09/19/1979EP0004209A1 Steam inlet valve
09/04/1979CA1061678A1 Reset assembly for slam-shut valve
08/1979
08/21/1979US4164959 Metering valve
06/1979
06/26/1979US4159024 Fluid control valve
01/1979
01/30/1979US4136853 Slide valve
01/30/1979CA1047362A1 Bi-directional pressure balanced valve
01/16/1979CA1046479A1 Plug valve
01/09/1979CA1046042A1 Balanced plug valve
01/02/1979CA1045503A1 Control valve
12/1978
12/05/1978US4128113 Double plug shuttle valve
10/1978
10/24/1978CA1041070A1 Valve protective mechanism for power operated valves
10/17/1978US4120319 Manifold assembly for compressed air storage tank or the like
10/10/1978CA1040185A1 Faucet valve and seal therefor
10/10/1978CA1040182A1 Electromagnetic two-way valve
09/1978
09/26/1978CA1039146A1 Control valve
04/1978
04/04/1978US4082116 Electromagnetic two-way valve
02/1978
02/28/1978US4076211 Ball valve
02/07/1978CA1025836A1 Closing assist for valves
01/1978
01/10/1978US4067359 Reset assembly for slam-shut valves
12/1977
12/20/1977US4063709 Butterfly valve
12/20/1977US4063707 Valve protective mechanism for power operated valves
08/1977
08/16/1977US4042178 Shutoff valve construction particularly for high pressure
07/1977
07/12/1977US4034776 Balanced plug valve
06/1977
06/14/1977US4029293 Control valve
06/07/1977US4027851 Faucet valve and seal therefor
06/07/1977US4027694 Control valve
05/1977
05/24/1977US4024884 Closing assist for valves
05/10/1977US4022247 Balanced valve with pressure sensing means
01/1977
01/11/1977US4002319 Bi-directional pressure balanced valve
06/1976
06/15/1976US3963048 Poppet valve assembly
02/1976
02/10/1976US3937247 Valve for fluids containing abrasive particles
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