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CPC Subgroup Additional Only
B66F 2700/07

Lifting devices actuated by the driving force of water

Full Title

Lifting apparatus > Lifting devices actuated by the driving force of water

Filing statistics

CPC B66F 2700/07 belongs to the parent subclass B66F, which recorded 56,150 patent applications worldwide between 2013 and 2023. Annual filings grew from 2,170 in 2013 to 5,814 in 2023 (+168%), peaking at 7,661 applications in 2020. The most active applicants in class B66 are INVENTIO (3,939 applications), OTIS ELEVATOR COMPANY (3,810 applications) and KONE CORPORATION (3,008 applications).

Source: EPO PATSTAT, worldwide filings

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