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PCE
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Search for IPC and CPC classification codes or keywords
CPC Subgroup
B66D 3/16

operated by an endless chain passing over a pulley or a sprocket

Full Title

Portable or mobile lifting or hauling appliances > Chain or like hand-operated tackles with or without power transmission gearing between operating member and lifting rope, chain or cable > operated by an endless chain passing over a pulley or a sprocket

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