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CPC Subgroup
B66C 13/18

Control systems or devices (exclusively for rope, cable, or chain winding mechanisms B66D1/40)

Full Title

Other constructional features or details > Control systems or devices (exclusively for rope, cable, or chain winding mechanisms B66D1/40)

6 direct subcodes

Child Classifications

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  • B66C 13/20 for non-electric drives (transmitting control pulses B66C13/40)
  • B66C 13/46 Position indicators for suspended loads or for crane elements
  • B66C 13/48 Automatic control of crane drives for producing a single or repeated working cycle; Program control
  • B66C 13/50 Applications of limit circuits or of limit-switch arrangements (for winding mechanisms B66D1/56)

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