CPC Main Group
B65H 51/00 Forwarding filamentary material (stretch-spinning methods D01D5/12; drawing or drafting rovings or the like D01H5/00)
10 direct subcodes
Child Classifications
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- B65H 51/005 Separating a bundle of forwarding filamentary materials into a plurality of groups
- B65H 51/015 Gathering a plurality of forwarding filamentary materials into a bundle
- B65H 51/02 Rotary devices, e.g. with helical forwarding surfaces (devices for temporarily storing filamentary material during forwarding B65H51/20; driven rotary devices for controlling tension B65H59/18)
- B65H 51/14 Aprons, endless belts, lattices, or like driven elements
- B65H 51/16 Devices for entraining material by flow of liquids or gases, e.g. air-blast devices (blowing slag wool in molten state C03B37/06)
- B65H 51/18 Gripping devices with linear motion
- B65H 51/20 Devices for temporarily storing filamentary material during forwarding, e.g. for buffer storage
- B65H 51/28 Arrangements for initiating a forwarding operation
- B65H 51/30 Devices controlling the forwarding speed to synchronise with supply, treatment, or take-up apparatus (B65H59/10, B65H59/38 take precedence)
- B65H 51/32 Supporting or driving arrangements for forwarding devices
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