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CPC Subgroup
B65G 23/04

Drums, rollers, or wheels

Full Title

Driving gear for endless conveyors; Belt- or chain-tensioning arrangements > Belt- or chain-engaging elements > Drums, rollers, or wheels

4 direct subcodes

Child Classifications

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  • B65G 23/06 with projections engaging abutments on belts or chains, e.g. sprocket wheels
  • B65G 23/08 with self-contained driving mechanisms, e.g. motors and associated gearing
  • B65G 23/10 arranged intermediate the ends of the conveyors
  • B65G 23/12 Arrangements of co-operating drums or rollers to augment tractive effort applied to the belts

Top Applicants

Top 10 applicants by patent filingsfor 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