IPC Subgroup
B65H 23/04 longitudinally
Introduced: September 1968
Last revised: January 2006
Full Title
Registering, tensioning, smoothing, or guiding webs > longitudinally
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
9 direct subcodes
Child Classifications
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- B65H 23/06 by retarding devices, e.g. acting on web-roll spindle
- B65H 23/16 by weighted or spring-pressed movable bars or rollers
- B65H 23/18 by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
- B65H 23/24 by fluid action, e.g. to retard the running web
- B65H 23/26 by transverse stationary or adjustable bars or rollers
- B65H 23/28 by longitudinally-extending strips, tubes, plates, or wires
- B65H 23/3 by longitudinally-extending flexible tapes or bands
- B65H 23/32 Arrangements for turning or reversing webs
- B65H 23/34 Apparatus for taking-out curl from webs
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