DIFF Subgroup
B65H 51/20 Devices for temporarily storing filamentary material during forwarding, e.g. for buffer storage
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Forwarding filamentary material > Devices for temporarily storing filamentary material during forwarding, e.g. for buffer storage
CPC:
Forwarding filamentary material (stretch-spinning methods D01D5/12; drawing or drafting rovings or the like D01H5/00) > Devices for temporarily storing filamentary material during forwarding, e.g. for buffer storage
Of 3 combined children, 2 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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- B65H 51/22 Reels or cages, e.g. cylindrical, with storing and forwarding surfaces provided by rollers or bars IPC+CPC Available in IPC and CPC
- B65H 51/26 Rollers or bars mounted askew to facilitate movement of filamentary material along them, e.g. pairs of canted rollers 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