US PATENT SUBCLASS 73 / 168
BLOWER, PUMP, AND HYDRAULIC EQUIPMENT

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

168BLOWER, PUMP, AND HYDRAULIC EQUIPMENT

DEFINITION

Classification: 73/168

(under the class definition) Subject matter for testing hydraulic equipment, blowers and pumps.

SEE OR SEARCH THIS CLASS, SUBCLASS:

37+, for testing by fluid pressure.

112+, and 116+, for power plant or unit efficiency and motor or engine testing.

147, for propeller study.