A63B 21/0609
Consisting of loosely interconnected elements for progressively changing weight
Official title: {consisting of loosely interconnected elements for progressively changing weight, e.g. heavy chains}
A63B21/0609 (Consisting of loosely interconnected elements for progressively changing weight) appears on 42 US grants and 55 published applications in this corpus.
Search patents in A63B- Granted patents
- 42
- Published applications
- 55
- Assignees
- 16
- Inventors
- 87
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 2 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 6 |
| 2015 | 3 | 6 |
| 2016 | 5 | 2 |
| 2017 | 2 | 7 |
| 2018 | 0 | 1 |
| 2019 | 3 | 4 |
| 2020 | 1 | 7 |
| 2021 | 6 | 4 |
| 2022 | 4 | 2 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 3 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Weight training chain apparatus and method of use10 Jun 2025US 12,324,943 B2
- Multi-use fitness bar system7 Jan 2025US 12,186,619 B1
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- Graspable exerciser24 Sep 2026US 2026/0284462 A1
- Graspable exerciser10 Apr 2025US 2025/0114655 A1
- Weighted bag and weightlifting assembly2 Jan 2025US 2025/0001233 A1Coulter Ventures, LLC.
- Athletic or Rehabilitative Force Registering Device28 Mar 2024US 2024/0100393 A1
- Weight training chain apparatus and method of use24 Aug 2023US 2023/0264063 A1
Most cited
By later US patents
- Exercise apparatus comprising a slidable weight bar assembly with hand brake assemblies65US 8,500,608 B1Rhiannon Corp. · 2013
- Body training device42US 4,648,594 A1987
- Exercise apparatus having spring assemblies capable of engaging a slidable weight bar assembly for enhanced concentric and eccentric working of muscle38US 9,011,298 B2Rhiannon Corp. · 2015
- Exercise device24US 7,758,477 B22010
- Wrist and forearm exerciser20US 6,234,934 B12001