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IPC Subgroup
B66F 3/02

with racks actuated by pinions

Introduced: September 1968

Last revised: January 2006

Full Title

Devices, e.g. jacks, adapted for uninterrupted lifting of loads > with racks actuated by pinions

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
HOISTING; LIFTING; HAULING
Subclass:
HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD

Related Keywords

load lifting devices with RACKS and pinionsload-lifting devices with RACKS and pinions

2 direct subcodes

Child Classifications

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  • B66F 3/04 with several racks
  • B66F 3/06 with racks comprising pivotable toothed sections or segments, e.g. arranged in pairs

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