specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes (B66C17/04 takes precedence)

Introduced: September 1968

Title

Titles differ between systems:

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

CPC: specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes (B66C17/04 takes precedence)

Full Title

Full titles differ between systems:

IPC:

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

CPC:

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 (B66C17/04 takes precedence)

IPC and CPC are identically structured here. All 8 subcodes exist in both systems.

3 shared codes have differing titles between IPC and CPC.

Child Classifications

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B66C 17/08 for charging treatment chambers, e.g. furnaces, kilns, ovens (charging furnaces in general F27D3/00) IPC+CPC Available in IPC and CPC
B66C 17/10 for transporting ladles IPC+CPC Available in IPC and CPC
B66C 17/12 for handling workpieces, e.g. ingots, which require to be supported temporarily within, or withdrawn from, a treatment chamber, e.g. tong cranes, soaking-pit cranes, stripper cranes (for manipulating ingots during forging B66C17/18; grippers for handling or stripping castings or ingots during manufacture B22D29/00) IPC+CPC Available in IPC and CPC
B66C 17/18 for manipulating workpieces during forging operations (work-pieces manipulators in forging machines B21J13/10) IPC+CPC Available in IPC and CPC
B66C 17/20 for hoisting or lowering heavy load carriers, e.g. freight containers, railway wagons IPC+CPC Available in IPC and CPC
B66C 17/22 for hoisting or lowering locomotives IPC+CPC Available in IPC and CPC
B66C 17/24 for building ships on slipways IPC+CPC Available in IPC and CPC
B66C 17/26 combined with auxiliary apparatus, e.g. log saws, pushers for unloading vehicles, means for shunting railway vehicles IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

Class B66,2013–2023, worldwide · Source: EPO PATSTAT

INVENTIO CH 3,939
OTIS ELEVATOR COMPANY US 3,810
KONE CORPORATION FI 3,008
MITSUBISHI ELECTRIC CORPORATION JP 2,333
MITSUBISHI ELECTRIC CORPORATION 1,254
HITACHI 1,195
OTIS ELEVATOR COMPANY 1,065
SGCC(STATE GRID CORPORATION OF CHINA) 961
INVENTIO 828
CROWN EQUIPMENT CORPORATION US 828