CPC Main Group
B65H 57/00 Guides for filamentary materials; Supports therefor
13 direct subcodes
Child Classifications
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- B65H 57/02 Stationary rods or plates
- B65H 57/04 Guiding surfaces within slots or grooves
- B65H 57/06 Annular guiding surfaces; Eyes, e.g. pigtails
- B65H 57/12 Tubes
- B65H 57/14 Pulleys, rollers, or rotary bars
- B65H 57/16 formed to maintain a plurality of filaments in spaced relation
- B65H 57/18 mounted to facilitate unwinding of material from packages
- B65H 57/22 adapted to prevent excessive ballooning of material
- B65H 57/24 with wear-resistant surfaces
- B65H 57/26 Supports for guides
- B65H 57/28 Reciprocating or oscillating guides (traversing devices for winding, coiling, or depositing filamentary material B65H54/28)
Top Applicants
Top 10 applicants by patent filingsfor 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