IPC Main Group
B66C 21/00 Cable cranes, i.e. comprising hoisting devices running on aerial cable-ways
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- HOISTING; LIFTING; HAULING
- Subclass:
- CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
Related Keywords
CABLE(S) cranes
3 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- B66C 21/02 with cable-ways supported on framework swingably connected to ground-engaging elements
- B66C 21/04 with cable-ways supported at one end or both ends on bodily-movable framework, e.g. framework mounted on rail track
- B66C 21/08 Sag carriers or rope trolleys, suspended or not, e.g. fixed but offering clearance for travelling gear
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