Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
B66C 1/08

Circuits therefor (for electromagnets in general H01F7/18)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Circuits therefor

CPC: Circuits therefor (for electromagnets in general H01F7/18)

Full Title

Full titles differ between systems:

IPC:

Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles > by magnetic means > electromagnetic > Circuits therefor

CPC:

Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles (fastening to cables or ropes F16G11/00) > by magnetic means > electromagnetic > Circuits therefor (for electromagnets in general H01F7/18)

No child classifications to compare. This is a leaf node in both IPC and CPC.

Top Applicants

Top Applicants (IPC)

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

  1. INVENTIO CH 3,843
  2. OTIS ELEVATOR COMPANY US 3,709
  3. SGCC(STATE GRID CORPORATION OF CHINA) 2,987
  4. KONE CORPORATION FI 2,922
  5. TOSHIBA ELEVATOR COMPANY 2,922
  6. HITACHI 2,321
  7. MITSUBISHI ELECTRIC CORPORATION JP 2,287
  8. MITSUBISHI ELECTRIC CORPORATION 1,870
  9. HITACHI BUILDING SYSTEMS COMPANY 1,700
  10. ANHUI HELI COMPANY 1,325

Top Applicants (CPC)

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

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