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PCE
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CPC Subgroup
B66D 3/20

with driving motor, e.g. electric motor, and drum or barrel contained in a common housing

Full Title

Portable or mobile lifting or hauling appliances > Power-operated hoists > with driving motor, e.g. electric motor, and drum or barrel contained in a common housing

1 direct subcode

Child Classifications

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  • B66D 3/22 with variable-speed gearings between driving motor and drum or barrel

Top Applicants

Top 10 applicants by patent filingsfor 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