IPC Main Group
B66C 7/00 Runways, tracks, or trackways for trolleys or cranes
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
RUNWAYS of cranesTRACK(S) -ways for crane trolleyscrane TROLLEYS
5 direct subcodes
Child Classifications
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- B66C 7/02 for underhung trolleys or cranes
- B66C 7/08 Constructional features of runway rails or rail mountings
- B66C 7/1 Arrangements or devices for extending runways or tracks
- B66C 7/12 Devices for changing direction of travel or for transferring from one runway to another; Crossings; Combinations of tracks of different gauges
- B66C 7/16 Devices specially adapted for limiting trolley or crane travel; Arrangements of buffer-stops
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