US PATENT SUBCLASS 137 / 864
.~.~.~ For valve having a ball head

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

561 R  DF  SYSTEMS {32}
861  DF  .~ With flow control means for branched passages {8}
862  DF  .~.~ With common valve operator {8}
864.~.~.~ For valve having a ball head

DEFINITION

Classification: 137/864

For valve having a ball head:

(under subclass 862) Systems comprising at least one flow control means which employs a substantially spherical member to regulate flow.