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IPC Subgroup
B66C 23/53

including counterweight or means to compensate for list, trim, or skew of the vessel or platform

Introduced: January 1985

Last revised: January 2006

Full Title

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 > specially adapted for use in particular locations or for particular purposes > mounted on road or rail vehicles; Manually-movable jib cranes for use in workshops; Floating cranes > Floating cranes > including counterweight or means to compensate for list, trim, or skew of the vessel or platform

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
HOISTING; LIFTING; HAULING
Subclass:
CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES

Top Applicants

Top 10 applicants by patent filingsfor class B66, 2013–2023, worldwide · Source: EPO PATSTAT

  1. INVENTIO CH 3,843
  2. OTIS ELEVATOR COMPANY US 3,709
  3. SGCC(STATE GRID CORPORATION OF CHINA) 2,987
  4. KONE CORPORATION FI 2,922
  5. TOSHIBA ELEVATOR COMPANY 2,922
  6. HITACHI 2,321
  7. MITSUBISHI ELECTRIC CORPORATION JP 2,287
  8. MITSUBISHI ELECTRIC CORPORATION 1,870
  9. HITACHI BUILDING SYSTEMS COMPANY 1,700
  10. ANHUI HELI COMPANY 1,325