CPC Subgroup
B65G 33/08 for fluent solid materials
Full Title
Screw or rotary spiral conveyors > for fluent solid materials
3 direct subcodes
Child Classifications
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- B65G 33/10 with non-enclosed screws
- B65G 33/12 with screws formed by straight tubes or drums having internal threads, or by spiral or helical tubes
- B65G 33/14 comprising a screw or screws enclosed in a tubular housing
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