B65H 54/2809
Rotating grooved cam
Official title: {rotating grooved cam (driving split drums B65H54/50)}
B65H54/2809 (Rotating grooved cam) appears on 79 US grants and 17 published applications in this corpus.
Search patents in B65H- Granted patents
- 79
- Published applications
- 17
- Assignees
- 44
- Inventors
- 119
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 3 |
| 2018 | 2 | 0 |
| 2019 | 1 | 2 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 2 | 0 |
| 2024 | 0 | 2 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Workstation of a two-for-one twisting or cabling machine for the production of carpet yarn26 Aug 2025US 12,398,492 B2Saurer Technologies GmbH & Co. KG
- Braid separation apparatus18 Mar 2025US 12,252,822 B2Sea6 Energy Pvt. Ltd.
- Bobbin loader apparatus and method5 Dec 2023US 11,834,293 B1
- Reciprocating mechanism for spinning reel and spinning reel having the same11 Jul 2023US 11,697,568 B2Shimano Components (Malaysia) SDN. BHD.
- Frictionless service carriage system20 Apr 2021US 10,981,748 B2Airbus Defence and Space, S.A.U.
- A portable fence reel5 Mar 2026US 2026/0062252 A1Gallagher Group Limited
- Braid separation apparatus19 Dec 2024US 2024/0417899 A1Sea6 Energy Pvt. Ltd.
- Apparatus for winding and pulling a rope line at constant speed25 Jan 2024US 2024/0025696 A1White's Welding, LLC
- Reciprocating mechanism for spinning reel and spinning reel having the same30 Jun 2022US 2022/0204308 A1Shimano Components (Malaysia) SDN. BHD.
- Thread guide wear testing machine and thread guide wear testing method16 Jul 2020US 2020/0225136 A1Nippon Steel Nisshin Co., Ltd.
Most cited
By later US patents
- Cable spooling system130US 4,767,073 A1988
- Reciprocating apparatus and cam follower for winding a package86US 6,119,973 AOwens Corning Fiberglas Technology, Inc. · 2000
- Wire rope spooling mechanism85US 3,980,252 AJohn T. Hepburn, Limited · 1976
- Cable spooling system35US 4,588,142 A1986
- Device for transferring fishing line26US 5,709,350 A1998