F16H 55/303
For round linked chains, i.e. hoisting chains with identical links
Official title: {for round linked chains, i.e. hoisting chains with identical links}
F16H55/303 (For round linked chains, i.e. hoisting chains with identical links) appears on 84 US grants and 79 published applications in this corpus.
Search patents in F16H- Granted patents
- 84
- Published applications
- 79
- Assignees
- 53
- Inventors
- 109
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 3 |
| 2004 | 0 | 0 |
| 2005 | 2 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 3 |
| 2009 | 1 | 5 |
| 2010 | 0 | 3 |
| 2011 | 2 | 1 |
| 2012 | 3 | 2 |
| 2013 | 4 | 6 |
| 2014 | 2 | 6 |
| 2015 | 3 | 1 |
| 2016 | 6 | 12 |
| 2017 | 8 | 11 |
| 2018 | 10 | 6 |
| 2019 | 5 | 0 |
| 2020 | 3 | 5 |
| 2021 | 7 | 5 |
| 2022 | 1 | 2 |
| 2023 | 2 | 4 |
| 2024 | 4 | 1 |
| 2025 | 3 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sprocket for a log style chain3 Feb 2026US 12,540,664 B2Sonny's Enterprises, LLC
- Chain drive comprising double chain wheel, sling device, and chain drive system6 Jan 2026US 12,515,929 B2pewag austria GmbH
- Device for adjusting a sprocket of a chain drive23 Sep 2025US 12,422,023 B2Deere & Company
- Device for adjusting a sprocket of a chain drive5 Aug 2025US 12,379,022 B2Deere & Company
- Front chainring assembly13 May 2025US 12,296,910 B2Sram, LLC
- Front chainring assembly11 Jun 2026US 2026/0159190 A1Sram, LLC
- Front chainring assembly28 Mar 2024US 2024/0101214 A1Sram, LLC
- Chain Ring With Teeth Oppositely Laterally Engaging A Drive Chain26 Oct 2023US 2023/0341039 A1Eko Sport, Inc.
- Device for adjusting a sprocket of a chain drive4 May 2023US 2023/0132573 A1Deere & Company
- Device for adjusting a sprocket of a chain drive4 May 2023US 2023/0133649 A1Deere & Company
Most cited
By later US patents
- Bicycle chain rings with ramps46US 8,092,329 B2Wick Werks, LLC · 2012
- Chainring31US 9,182,027 B2Sram, LLC · 2015
- Multiple sprocket assembly for a bicycle25US 9,308,967 B2SRAM Deutschland GmbH · 2016
- Bicycle sprocket, bicycle rear sprocket, and bicycle multiple sprocket assembly24US 9,926,038 B2Shimano Inc. · 2018
- Multiple bicycle sprocket assembly23US 9,994,285 B2Shimano Inc. · 2018