IPC Subgroup
B65H 19/22 in winding mechanisms or in connection with winding operations
Introduced: September 1968
Last revised: January 2006
Full Title
Changing the web roll > in winding mechanisms or in connection with winding operations
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- Subclass:
- HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
5 direct subcodes
Child Classifications
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- B65H 19/24 Accumulating surplus web delivered 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
- B65H 19/29 Securing the trailing end of the wound web to the web roll
- B65H 19/3 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
- 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