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PCE
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CPC Subgroup
B66B 13/28

between car or cage and wells

Full Title

Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings (door fittings, locks E05) > Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers > between car or cage and wells

1 direct subcode

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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