Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Load children
F03
MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
Load children
F03C
POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
Load children
F03C2/08
of intermeshing-engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
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