CPC Subgroup Additional Only
B65H 2301/41419 Starting winding process
Full Title
Handling processes for sheets or webs > Type of handling process > Winding, unwinding > Winding > Starting winding process
9 direct subcodes
Child Classifications
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- B65H 2301/41421 involving electrostatic means
- B65H 2301/41422 involving mechanical means
- B65H 2301/41423 involving liquid, e.g. wetting core by water
- B65H 2301/41424 involving use of glue
- B65H 2301/41425 involving blowing means, e.g. air blast
- B65H 2301/41426 involving suction means, e.g. core with vacuum supply
- B65H 2301/41427 involving arrangements for securing leading edge to core, e.g. adhesive tape
- B65H 2301/41428 involving additional element between core and web
- B65H 2301/41429 in coreless applications
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