US PATENT SUBCLASS 60 / 502
.~.~ Having fluid flow or wave controlling, confining or directing means

Current as of: June, 1999
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60 /   HD   POWER PLANTS

495  DF  MOTOR HAVING A BUOYANT WORKING MEMBER {2}
497  DF  .~ Working member actuated by the rise and fall of a surface of a body of fluid {9}
502.~.~ Having fluid flow or wave controlling, confining or directing means {1}
503  DF  .~.~.~> In which the control means is variable

DEFINITION

Classification: 60/502

(under subclass 497) Apparatus together with at least one surface means which is designed to (1) restrain, direct, or control the flow of a body of fluid or a portion thereof or restrain or direct the movement of waves traveling on the surface of said body of fluid, or (2) confine a portion or all of a body of fluid so that the surface of said fluid may change its vertical position.