Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
Load children
B66
HOISTING; LIFTING; HAULING
Load children
B66B
ELEVATORS; ESCALATORS OR MOVING WALKWAYS
Load children
1/00
Control systems of elevators in general
Load children Filter patents View analytics View as hierarchy
B66B1/24
Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
Load children Filter patents View analytics View as hierarchy
B66B1/30
effective on driving gear; , e.g. acting on power electronics, on inverter or rectifier controlled motor
Load children Filter patents View analytics View as hierarchy