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DIFF Subgroup
B66C 23/10

the paths being substantially horizontal; Level-luffing jib-cranes

Introduced: September 1968

Title

Titles differ between systems:

IPC: the paths being substantially horizontal; Level-luffing jib cranes

CPC: the paths being substantially horizontal; Level-luffing jib-cranes

Full Title

Full titles differ between systems:

IPC:

Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes > with jibs mounted for jibbing or luffing movements > and adapted to move the loads in predetermined paths > the paths being substantially horizontal; Level-luffing jib cranes

CPC:

Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes (base supporting structures with legs B65C5/00) > with jibs mounted for jibbing or luffing movements > and adapted to move the loads in predetermined paths > the paths being substantially horizontal; Level-luffing jib-cranes

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

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  • B66C 23/12 with means for automatically varying the effective length of the hoisting rope or cable IPC+CPC Available in IPC and CPC
  • B66C 23/14 with means, e.g. pantograph arrangements, for varying jib configuration IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

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