Control systems of elevators in general

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:: PERFORMING OPERATIONS; TRANSPORTING
Class:: HOISTING; LIFTING; HAULING
Subclass:: ELEVATORS; ESCALATORS OR MOVING WALKWAYS

Related Keywords

control systems for lift CAGEScontrol systems for lift CARSCONTROL(S) systems for elevatorsuse of KEY(S) in control systems of liftscontrol systems for MINE(S) hoistsPULSE(S) control systems for liftscontrol systems for lift SKIPS

3 direct subcodes

Child Classifications

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B66B 1/02 Control systems without regulation, i.e. without retroactive action
B66B 1/24 Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
B66B 1/34 Details

Top Applicants

Top 10 applicants by patent filingsfor class B66, 2013–2023, worldwide · Source: EPO PATSTAT

INVENTIO CH 3,843
OTIS ELEVATOR COMPANY US 3,709
SGCC(STATE GRID CORPORATION OF CHINA) 2,987
KONE CORPORATION FI 2,922
TOSHIBA ELEVATOR COMPANY 2,922
HITACHI 2,321
MITSUBISHI ELECTRIC CORPORATION JP 2,287
MITSUBISHI ELECTRIC CORPORATION 1,870
HITACHI BUILDING SYSTEMS COMPANY 1,700
ANHUI HELI COMPANY 1,325