IPC Main Group
B66C 13/00 Other constructional features or details
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
6 direct subcodes
Child Classifications
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- B66C 13/02 Devices for facilitating retrieval of floating objects, e.g. for recovering craft from water
- B66C 13/04 Auxiliary devices for controlling movements of suspended loads, or for preventing cable slack
- B66C 13/12 Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts or devices
- B66C 13/16 Applications of indicating, registering, or weighing devices
- B66C 13/18 Control systems or devices
- B66C 13/52 Details of compartments for driving engines or motors or of operator's stands or cabins
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