US PATENT SUBCLASS 137 / 505.44
.~.~.~.~ Valve head on yoke

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

455  DF  LINE CONDITION CHANGE RESPONSIVE VALVES {11}
494  DF  .~ With separate connected fluid reactor surface {8}
505  DF  .~.~ With opening bias (e.g., pressure regulator) {13}
505.38  DF  .~.~.~ Reactor surface closes chamber {3}
505.44.~.~.~.~ Valve head on yoke {1}
505.45  DF  .~.~.~.~.~> Yoke has valve closing bias

DEFINITION

Classification: 137/505.44

(under subclass 505.38) Devices in which the valve head is connected to the reactor surface by a yoke.