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IPC Subgroup
B66C 17/06

specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes

Introduced: September 1968

Last revised: January 2006

Full Title

Overhead travelling cranes comprising one or more substantially-horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports > specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes

Classification Context

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

8 direct subcodes

Child Classifications

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  • B66C 17/08 for charging treatment chambers, e.g. furnaces, kilns, ovens
  • B66C 17/1 for transporting ladles
  • B66C 17/18 for manipulating workpieces during forging operations
  • B66C 17/2 for hoisting or lowering heavy load carriers, e.g. freight containers, railway wagons
  • B66C 17/22 for hoisting or lowering locomotives
  • B66C 17/24 for building ships on slipways
  • B66C 17/26 combined with auxiliary apparatus, e.g. log saws, pushers for unloading vehicles, means for shunting railway vehicles

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