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
F03B
MACHINES OR ENGINES FOR LIQUIDS
Load children
F03B15/005
Starting, also of pump-turbines
Filter patents View analytics View as hierarchy