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- B66C 17/12 for handling workpieces, e.g. ingots, which require to be supported temporarily within, or withdrawn from, a treatment chamber, e.g. tong cranes, soaking-pit cranes, stripper cranes
- 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
- 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