IPC Main Group
B65H 31/00 Pile receivers
Introduced: September 1968
Last revised: January 2006
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 31/00 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
10 direct subcodes
Child Classifications
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- B65H 31/02 with stationary end support against which pile accumulates
- B65H 31/04 with movable end support arranged to recede as pile accumulates
- B65H 31/2 adjustable for different article sizes
- B65H 31/22 removable or interchangeable
- B65H 31/24 multiple or compartmented, e.g. for alternate, programmed, or selective filling
- B65H 31/26 Auxiliary devices for retaining articles in the pile
- B65H 31/28 Bands, chains, or like moving receivers
- B65H 31/3 Arrangements for removing completed piles
- B65H 31/32 Auxiliary devices for receiving articles during removal of a completed pile
- B65H 31/34 Apparatus for squaring-up piled articles
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