IPC Subgroup
B66B 23/24 Handrails
Introduced: January 1985
Last revised: January 2006
Full Title
Component parts of escalators or moving walkways > Balustrades > Handrails
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- HOISTING; LIFTING; HAULING
- Subclass:
- ELEVATORS; ESCALATORS OR MOVING WALKWAYS
1 direct subcode
Child Classifications
Navigate with arrow keys, Enter to open
- B66B 23/26 of variable speed type
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