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IPC Subgroup
B66F 5/04

with fluid-pressure-operated lifting gear

Introduced: September 1968

Last revised: January 2006

Full Title

Mobile jacks of the garage type mounted on wheels or rollers > with fluid-pressure-operated lifting gear

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

Filing statistics

IPC B66F 5/04 belongs to the parent subclass B66F, which recorded 146,246 patent applications worldwide between 2013 and 2023. Annual filings grew from 5,324 in 2013 to 20,073 in 2023 (+277%), peaking at 21,467 applications in 2020. The most active applicants in class B66 are INVENTIO (3,843 applications), OTIS ELEVATOR COMPANY (3,709 applications) and SGCC(STATE GRID CORPORATION OF CHINA) (2,987 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 3,843
  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