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IPC Subgroup
B66B 5/16

Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well

Introduced: September 1968

Last revised: January 2006

Full Title

Applications of checking, fault-correcting or safety devices in elevators > responsive to abnormal operating conditions > Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
HOISTING; LIFTING; HAULING
Subclass:
ELEVATORS; ESCALATORS OR MOVING WALKWAYS

Related Keywords

BRAKING of lift cagesCATCH(ES) devices in lift systemsSTOPPING cages of lifts

2 direct subcodes

Child Classifications

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  • B66B 5/26 Positively-acting devices, e.g. latches, knives

Top Applicants

Top 10 applicants by patent filingsfor class B66, 2013–2023, worldwide · Source: EPO PATSTAT

  1. INVENTIO CH 3,843
  2. OTIS ELEVATOR COMPANY US 3,709
  3. SGCC(STATE GRID CORPORATION OF CHINA) 2,987
  4. KONE CORPORATION FI 2,922
  5. TOSHIBA ELEVATOR COMPANY 2,922
  6. HITACHI 2,321
  7. MITSUBISHI ELECTRIC CORPORATION JP 2,287
  8. MITSUBISHI ELECTRIC CORPORATION 1,870
  9. HITACHI BUILDING SYSTEMS COMPANY 1,700
  10. ANHUI HELI COMPANY 1,325