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