IPC Main Group
B66C 11/00 Trolleys or crabs, e.g. operating above runways
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
CRABS [= crane trolleys]crane TROLLEYS
5 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- B66C 11/02 with operating gear or operator's cabin suspended, or laterally offset, from runway or track
- B66C 11/08 with turntables
- B66C 11/12 having hoisting gear adapted to special load-engaging elements and not otherwise provided for
- B66C 11/14 adapted to operate on crane or bridge structure of particular configuration, e.g. on reinforced concrete girders of rectangular cross-section
- B66C 11/16 Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting 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