IPC Main Group
B66B 9/00 Kinds or types of lifts in, or associated with, buildings or other structures
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- HOISTING; LIFTING; HAULING
- Subclass:
- ELEVATORS; ESCALATORS OR MOVING WALKWAYS
Additional Content
Apparatus for raising or lowering persons
Related Keywords
lifts associated with BUILDING(S)DUMB waiters (lifts)lifts for ERECTING of buildingsdumb WAITERS [= service lifts]
5 direct subcodes
Child Classifications
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- B66B 9/02 actuated mechanically otherwise than by rope or cable
- B66B 9/04 actuated pneumatically or hydraulically
- B66B 9/06 inclined, e.g. serving blast furnaces
- B66B 9/1 paternoster type
- B66B 9/16 Mobile or transportable lifts specially adapted to be shifted from one part of a building or other structure to another part or to another building or structure
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