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