screw operated (B66F3/44 takes precedence; gearings F16H)

Introduced: September 1968

Title

Titles differ between systems:

IPC: screw-operated

CPC: screw operated (B66F3/44 takes precedence; gearings F16H)

Full Title

Full titles differ between systems:

IPC:

Devices, e.g. jacks, adapted for uninterrupted lifting of loads > screw-operated

CPC:

Devices, e.g. jacks, adapted for uninterrupted lifting of loads (mobile jacks of the garage type B66F5/00) > screw operated (B66F3/44 takes precedence; gearings F16H)

IPC and CPC are identically structured here. All 6 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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B66F 3/10 with telescopic sleeves IPC+CPC Available in IPC and CPC
B66F 3/12 comprising toggle levers (lazy-tongs mechanisms B66F3/22) IPC+CPC Available in IPC and CPC
B66F 3/14 actuated through pawl-and-ratchet mechanisms IPC+CPC Available in IPC and CPC
B66F 3/16 actuated through bevel-wheel gearings IPC+CPC Available in IPC and CPC
B66F 3/18 actuated through worm gearings IPC+CPC Available in IPC and CPC
B66F 3/20 actuated through multiple or change-speed gearings 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