DIFF Subgroup
B65H 19/22 in winding mechanisms or in connection with winding operations
Introduced: September 1968
Full Title
Changing the web roll > in winding mechanisms or in connection with winding operations
Of 10 combined children, 5 exist in both systems.
5 codes are CPC-only extensions.
3 shared codes have differing titles between IPC and CPC.
Child Classifications
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- B65H 19/24 Accumulating surplus delivered web while changing the web roll IPC+CPC Available in IPC and CPC
- B65H 19/26 Cutting-off the web running to the wound web roll +3 CPC IPC+CPC Available in IPC and CPC
- 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) +2 CPC IPC+CPC Available in IPC and CPC
- 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) since 1980 IPC+CPC Available in IPC and CPC
- B65H 19/30 Lifting, transporting, or removing the web roll; Inserting core +1 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