A63B 21/153
Wound-up and unwound during exercise
Official title: {wound-up and unwound during exercise, e.g. from a reel}
A63B21/153 (Wound-up and unwound during exercise) appears on 753 US grants and 752 published applications in this corpus.
Search patents in A63B- Granted patents
- 753
- Published applications
- 752
- Assignees
- 263
- Inventors
- 1,169
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 7 | 0 |
| 1989 | 12 | 0 |
| 1990 | 11 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 11 | 0 |
| 1994 | 16 | 0 |
| 1995 | 8 | 0 |
| 1996 | 15 | 0 |
| 1997 | 8 | 0 |
| 1998 | 13 | 0 |
| 1999 | 6 | 0 |
| 2000 | 13 | 0 |
| 2001 | 10 | 0 |
| 2002 | 8 | 7 |
| 2003 | 8 | 18 |
| 2004 | 10 | 17 |
| 2005 | 6 | 7 |
| 2006 | 11 | 14 |
| 2007 | 5 | 12 |
| 2008 | 4 | 4 |
| 2009 | 8 | 15 |
| 2010 | 14 | 16 |
| 2011 | 18 | 17 |
| 2012 | 6 | 13 |
| 2013 | 10 | 20 |
| 2014 | 11 | 17 |
| 2015 | 14 | 24 |
| 2016 | 24 | 28 |
| 2017 | 22 | 27 |
| 2018 | 25 | 26 |
| 2019 | 32 | 43 |
| 2020 | 32 | 37 |
| 2021 | 35 | 45 |
| 2022 | 42 | 47 |
| 2023 | 46 | 73 |
| 2024 | 50 | 92 |
| 2025 | 75 | 87 |
| 2026 | 53 | 46 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Exercise machine line spool8 Oct 2026US 2026/0306898 A1Tonal Systems, Inc.
- Single stud wall mountable exercise machine8 Oct 2026US 2026/0306900 A1Amp Fit Israel Ltd
- Exercise machine enhancements8 Oct 2026US 2026/0306901 A1Tonal Systems, Inc.
- Reserve estimates during resistance training8 Oct 2026US 2026/0306908 A1Tonal Systems, Inc.
- Cable control and operation in a motorized fitness machine1 Oct 2026US 2026/0295326 A1Amp Fit Israel Ltd
Most cited
By later US patents
- Big game fish training and exercise device and method255US 5,334,027 A1994
- Articulated lower body exerciser231US 5,299,993 APacific Fitness Corporation · 1994
- Computerized drive mechanism for exercise, physical therapy and rehabilitation200US 4,919,418 A1990
- Computerized exercise system and method199US 6,280,361 B1Intelligent Automation, Inc. · 2001
- Universal exercising apparatus196US 4,709,918 A1987