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IPC Subgroup
B66C 21/04

with cable-ways supported at one end or both ends on bodily-movable framework, e.g. framework mounted on rail track

Introduced: September 1968

Last revised: January 2006

Full Title

Cable cranes, i.e. comprising hoisting devices running on aerial cable-ways > with cable-ways supported at one end or both ends on bodily-movable framework, e.g. framework mounted on rail track

Classification Context

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

1 direct subcode

Child Classifications

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  • B66C 21/06 with one end supported on a framework movable in a curved, e.g. circular, path and the other end by a column rotatable around a vertical axis

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