DIFF Subgroup
B65H 19/10 in unwinding mechanisms or in connection with unwinding operations
Introduced: September 1968
Full Title
Changing the web roll > in unwinding mechanisms or in connection with unwinding operations
Of 8 combined children, 4 exist in both systems.
3 codes are CPC-only extensions, 1 exist only in IPC.
Child Classifications
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- B65H 19/12 Lifting, transporting, or inserting the web roll; Removing empty core +2 CPC IPC+CPC Available in IPC and CPC
- B65H 19/14 Accumulating surplus web for advancing to machine while changing the web roll IPC+CPC Available in IPC and CPC
- B65H 19/16 Driving, e.g. accelerating, the replacement web roll in association with web-splicing operation IPC only IPC only
- B65H 19/18 Attaching, e.g. pasting, the replacement web to the expiring web +4 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class B65,2013–2023, worldwide · Source: EPO PATSTAT
- CANON 3,755
- SGCC(STATE GRID CORPORATION OF CHINA) 3,721
- YOSHINO KOGYOSHO COMPANY 3,659
- DNP (DAINIPPON PRINTING COMPANY) 3,573
- KRONES DE 3,114
- P&G (PROCTER & GAMBLE COMPANY) US 2,777
- TOPPAN PRINTING COMPANY 2,720
- SEIKO EPSON CORPORATION 2,574
- KYOCERA DOCUMENT SOLUTIONS 2,371
- RICOH COMPANY 2,349
Top Applicants (CPC)
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