B62M 2009/002
Non-circular chain rings or sprockets
Official title: {Non-circular chain rings or sprockets}
B62M2009/002 (Non-circular chain rings or sprockets) appears on 41 US grants and 41 published applications in this corpus.
Search patents in B62M- Granted patents
- 41
- Published applications
- 41
- Assignees
- 20
- Inventors
- 44
- Latest grant
- 4 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 9 |
| 2015 | 7 | 1 |
| 2016 | 6 | 6 |
| 2017 | 3 | 1 |
| 2018 | 3 | 4 |
| 2019 | 1 | 3 |
| 2020 | 3 | 4 |
| 2021 | 2 | 2 |
| 2022 | 0 | 0 |
| 2023 | 4 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Drive train and sprocket arrangement for human-powered vehicle4 Jun 2024US 11,999,440 B2Shimano Inc.
- Pump-action ride-along vehicle28 Nov 2023US 11,827,309 B2Columbia-Inland Corporation
- Bicycle chainring and a bicycle comprising the bicycle chainring8 Aug 2023US 11,718,368 B1
- Chain-rings set for a bicycle power transmission system provided with segmented chain-ring and segmentation method for obtaining it27 Jun 2023US 11,685,468 B2Zuma Innovation, S.L.
- Drive train and sprocket arrangement for human-powered vehicle30 May 2023US 11,661,138 B2Shimano Inc.
- Reduction ratio changing device30 Jan 2025US 2025/0033739 A1Centre National De La Recherche Scientifique
- Catapult slingshot 2 stroke double double reversed boomerang slap arm drive sprocket thrusters1 Aug 2024US 2024/0253737 A1
- Drive train and sprocket arrangement for human-powered vehicle10 Aug 2023US 2023/0249782 A1Shimano Inc.
- Pump-action ride-along vehicle11 Feb 2021US 2021/0039741 A1Columbia-Inland Corporation
- Chain-rings set for a bicycle power transmission system provided with segmented chain-ring and segmentation method for obtaining it4 Feb 2021US 2021/0031878 A1Zuma Innovation, S.L.
Most cited
By later US patents
- Bicycle sprocket drive apparatus with elliptical pedal path56US 4,193,324 AClint, Inc. · 1980
- Noncircular drive46US 4,865,577 AThe Trustees of Columbia University in the City of New York · 1989
- Chainring31US 9,182,027 B2Sram, LLC · 2015
- Front chain gear for a bicycle29US 4,576,587 AShimano Industrial Company Limited · 1986
- Bicycle with rhombus-like gear with circularly curved apexes22US 5,882,025 A1999