DIFF Subgroup
B66B 17/16 for loading and unloading mining-hoist cars or cages
Introduced: September 1968
Title
Titles differ between systems:
IPC: for loading or unloading mining-hoist cars or cages
CPC: for loading and unloading mining-hoist cars or cages
Full Title
Full titles differ between systems:
IPC:
Hoistway equipment > Applications of loading or unloading equipment > for loading or unloading mining-hoist cars or cages
CPC:
Hoistway equipment > Applications of loading and unloading equipment (of general application B65G) > for loading and unloading mining-hoist cars or cages
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
Child Classifications
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- B66B 17/18 Swinging bridges, e.g. for compensating for differences in level between car or cage and landing 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