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
F03D
WIND MOTORS
Load children
F03D5/015
of the tethered aircraft type, e.g. kites, with traction and retraction of the tether
Filter patents View analytics View as hierarchy