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Class Information
Number: 137/637.05
Name: Fluid handling > Systems > Valves with separate, correlated, actuators > Correlated across separable flow path joint
Description: Subject matter wherein the valves, or valve groups, are located at opposite sides of a separable joint in the flow path, and the particular relationship between the actuators includes a feature of separability of the joint.

Patents under this class:

Patent Number Title Of Patent Date Issued
6125871 Valve assembly with flush and sample capability Oct. 3, 2000
5090449 Coupling security and safety latch system Feb. 25, 1992
5083588 Device, incorporating rotating valves, for coupling pipes Jan. 28, 1992
4899786 Breakaway fluid coupling Feb. 13, 1990
4898199 Breakaway fluid coupling Feb. 6, 1990
4896698 Pressure adjusting device for controlling liquid gas flow rate Jan. 30, 1990
4874015 Monitoring system Oct. 17, 1989
4577659 Coupling arrangement for pipe conduits conducting a medium containing radioactive substances Mar. 25, 1986
4103712 Positive isolation disconnect Aug. 1, 1978

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