B66C 21/00 Cable cranes, i.e. comprising hoisting devices running on aerial cable-ways (rope or cable drives for trolleys, combinations of such drives with hoisting gear B66C11/16; railway systems B61B; rope or cable winding mechanisms B66D1/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Cable cranes, i.e. comprising hoisting devices running on aerial cable-ways
CPC: Cable cranes, i.e. comprising hoisting devices running on aerial cable-ways (rope or cable drives for trolleys, combinations of such drives with hoisting gear B66C11/16; railway systems B61B; rope or cable winding mechanisms B66D1/00)
Full Title
Full titles differ between systems:
Cable cranes, i.e. comprising hoisting devices running on aerial cable-ways
Cable cranes, i.e. comprising hoisting devices running on aerial cable-ways (rope or cable drives for trolleys, combinations of such drives with hoisting gear B66C11/16; railway systems B61B; rope or cable winding mechanisms B66D1/00)
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- B66C 21/02 with cable-ways supported on framework swingably connected to groundengaging elements IPC+CPC Available in IPC and CPC
- B66C 21/04 with cable-ways supported at one end or both ends on bodily movable framework, e.g. framework mounted on rail track IPC+CPC Available in IPC and CPC
- B66C 21/08 Sag carriers or rope trolleys, suspended or not, e.g. fixed but offering clearance for travelling gear IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
Class B66,2013–2023, worldwide · Source: EPO PATSTAT
- INVENTIO CH 3,939
- OTIS ELEVATOR COMPANY US 3,810
- KONE CORPORATION FI 3,008
- MITSUBISHI ELECTRIC CORPORATION JP 2,333
- MITSUBISHI ELECTRIC CORPORATION 1,254
- HITACHI 1,195
- OTIS ELEVATOR COMPANY 1,065
- SGCC(STATE GRID CORPORATION OF CHINA) 961
- INVENTIO 828
- CROWN EQUIPMENT CORPORATION US 828