B66D 5/00 Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads (for pulley blocks B66D3/10)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Braking or detent devices characterised by their application to lifting or hoisting gear, e.g. for controlling the lowering of loads
CPC: Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads (for pulley blocks B66D3/10)
Full Title
Full titles differ between systems:
Braking or detent devices characterised by their application to lifting or hoisting gear, e.g. for controlling the lowering of loads
Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads (for pulley blocks B66D3/10)
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- B66D 5/02 Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes +2 CPC 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