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DIFF Subgroup
B65G 23/32

for effecting drive at two or more points spaced along the length of the conveyors

Introduced: September 1968

Full Title

Driving gear for endless conveyors; Belt- or chain-tensioning arrangements > for effecting drive at two or more points spaced along the length of the conveyors

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

Child Classifications

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  • B65G 23/34 comprising a single motor coupled to spaced driving elements IPC+CPC Available in IPC and CPC
  • B65G 23/36 comprising two or more driving motors each coupled to a separate driving element, e.g. at either end of the conveyors IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class B65,2013–2023, worldwide · Source: EPO PATSTAT

  1. CANON 3,755
  2. SGCC(STATE GRID CORPORATION OF CHINA) 3,721
  3. YOSHINO KOGYOSHO COMPANY 3,659
  4. DNP (DAINIPPON PRINTING COMPANY) 3,573
  5. KRONES DE 3,114
  6. P&G (PROCTER & GAMBLE COMPANY) US 2,777
  7. TOPPAN PRINTING COMPANY 2,720
  8. SEIKO EPSON CORPORATION 2,574
  9. KYOCERA DOCUMENT SOLUTIONS 2,371
  10. RICOH COMPANY 2,349

Top Applicants (CPC)

Class B65,2013–2023, worldwide · Source: EPO PATSTAT

  1. P&G (PROCTER & GAMBLE COMPANY) US 3,369
  2. KRONES DE 3,304
  3. TETRA LAVAL HOLDINGS & FINANCE CH 2,227
  4. CANON JP 2,051
  5. AUTOSTORE TECHNOLOGY NO 1,731
  6. GPI (GRAPHIC PACKAGING INTERNATIONAL) US 1,707
  7. CANON 1,693
  8. G.D IT 1,678
  9. MURATA MACHINERY JP 1,664
  10. DAIFUKU COMPANY JP 1,654