IPC Main Group
B66C 23/00 Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower 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
cranes with lifting BEAM(S)cranes with lifting BOOMSCANTILEVER(S) cranesJIB cranesTOWER(S) cranes
9 direct subcodes
Child Classifications
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- B66C 23/02 with non-adjustable and non-inclinable jibs mounted solely for slewing movements
- B66C 23/04 with jibs the effective length of which is variable in operation, e.g. longitudinally displaceable, extensible
- B66C 23/06 with jibs mounted for jibbing or luffing movements
- B66C 23/16 with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
- B66C 23/18 specially adapted for use in particular locations or for particular purposes
- B66C 23/58 arranged to carry-out a desired sequence of operations automatically, e.g. hoisting followed by luffing and slewing
- B66C 23/6 Derricks
- B66C 23/62 Constructional features or details
- B66C 23/88 Safety 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