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IPC Subgroup
B65H 19/1

in unwinding mechanisms or in connection with unwinding operations

Introduced: September 1968

Last revised: January 2006

Full Title

Changing the web roll > in unwinding mechanisms or in connection with unwinding 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

Filing statistics

IPC B65H 19/1 belongs to the parent subclass B65H, which recorded 387,782 patent applications worldwide between 2013 and 2023. Annual filings grew from 15,473 in 2013 to 53,694 in 2023 (+247%), peaking at 56,827 applications in 2020. The most active applicants in class B65 are CANON (3,755 applications), SGCC(STATE GRID CORPORATION OF CHINA) (3,721 applications) and YOSHINO KOGYOSHO COMPANY (3,659 applications).

Source: EPO PATSTAT, worldwide filings

5 direct subcodes

Child Classifications

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  • B65H 19/12 Lifting, transporting, or inserting the web roll; Removing empty core
  • B65H 19/14 Accumulating surplus web for advancing to machine while changing the web roll
  • B65H 19/16 Driving, e.g. accelerating, the replacement web roll in association with web-splicing operation
  • B65H 19/18 Attaching, e.g. pasting, the replacement web to the expiring web
  • B65H 19/2 Cutting-off the expiring web

Top Applicants

Top 10 applicants by patent filingsfor class B65, 2013–2023, worldwide · Source: EPO PATSTAT

  1. CANON 3,755
  2. SGCC(STATE GRID CORPORATION OF CHINA) 3,721
  3. YOSHINO KOGYOSHO COMPANY 3,659
  4. DNP (DAINIPPON PRINTING COMPANY) 3,573
  5. KRONES DE 3,114
  6. P&G (PROCTER & GAMBLE COMPANY) US 2,777
  7. TOPPAN PRINTING COMPANY 2,720
  8. SEIKO EPSON CORPORATION 2,574
  9. KYOCERA DOCUMENT SOLUTIONS 2,371
  10. RICOH COMPANY 2,349