CPC Subgroup
B65H 19/22 in winding mechanisms or in connection with winding operations
Full Title
Changing the web roll > in winding mechanisms or in connection with winding operations
10 direct subcodes
Child Classifications
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- B65H 19/24 Accumulating surplus delivered web while changing the web roll
- B65H 19/26 Cutting-off the web running to the wound web roll
- B65H 19/28 Attaching the leading end of the web to the replacement web-roll core or spindle (cores, formers, supports or holders, e.g. reels, with arrangements for securing ends of material B65H75/28)
- B65H 19/29 Securing the trailing end of the wound web to the web roll (cores, formers, supports or holders, e.g. reels, with arrangements for securing ends of material B65H75/28)
- B65H 19/30 Lifting, transporting, or removing the web roll; Inserting core
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