US PATENT SUBCLASS 29 / 888.02
.~.~ Fluid pump or compressor making

Current as of: June, 1999
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29 /   HD   METAL WORKING

592  DF  METHOD OF MECHANICAL MANUFACTURE {54}
888  DF  .~ Prime mover or fluid pump making {12}
888.02.~.~ Fluid pump or compressor making {5}
888.021  DF  .~.~.~> Repairing, converting, servicing or salvaging
888.022  DF  .~.~.~> Scroll or peristaltic type
888.023  DF  .~.~.~> Screw or gear type, e.g., Moineau type
888.024  DF  .~.~.~> Centrifugal type
888.025  DF  .~.~.~> Vane type or other rotary, e.g., fan

DEFINITION

Classification: 29/888.02

Fluid pump or compressor making:

(under subclass 888) Process wherein the manufactured article is especially adapted (1) for increasing the pressure of a gas, liquid or vapor; (2) for accelerating, conveying or transporting fluid which article generally draws the fluid into itself through an entrance port and forces the fluid out through an exhaust port; or (3) a part especially adapted for (1) or (2) which is not elsewhere classified.

(1) Note. A method of making an impeller is included therein when more than the impeller is made.

SEE OR SEARCH THIS CLASS, SUBCLASS:

889, for a process of making an impeller, per se.

890.09, for a process of making a fluidic or fluid actuated device.