A63B 21/008
Exercising apparatus for developing or strengthening the muscles or joints of the
Official title: using hydraulic or pneumatic force-resisters
A63B21/008 (Exercising apparatus for developing or strengthening the muscles or joints of the) appears on 2,030 US grants and 1,637 published applications in this corpus.
Search patents in A63B- Granted patents
- 2,030
- Published applications
- 1,637
- Assignees
- 664
- Inventors
- 2,702
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 5 | 0 |
| 1980 | 13 | 0 |
| 1981 | 10 | 0 |
| 1982 | 9 | 0 |
| 1983 | 7 | 0 |
| 1984 | 18 | 0 |
| 1985 | 10 | 0 |
| 1986 | 25 | 0 |
| 1987 | 24 | 0 |
| 1988 | 37 | 0 |
| 1989 | 38 | 0 |
| 1990 | 38 | 0 |
| 1991 | 54 | 0 |
| 1992 | 37 | 0 |
| 1993 | 54 | 0 |
| 1994 | 59 | 0 |
| 1995 | 48 | 0 |
| 1996 | 40 | 0 |
| 1997 | 42 | 0 |
| 1998 | 44 | 0 |
| 1999 | 31 | 0 |
| 2000 | 18 | 0 |
| 2001 | 19 | 3 |
| 2002 | 26 | 26 |
| 2003 | 18 | 30 |
| 2004 | 19 | 39 |
| 2005 | 23 | 45 |
| 2006 | 31 | 59 |
| 2007 | 30 | 88 |
| 2008 | 36 | 54 |
| 2009 | 59 | 50 |
| 2010 | 63 | 58 |
| 2011 | 60 | 71 |
| 2012 | 47 | 53 |
| 2013 | 40 | 64 |
| 2014 | 35 | 67 |
| 2015 | 52 | 77 |
| 2016 | 79 | 101 |
| 2017 | 87 | 108 |
| 2018 | 91 | 119 |
| 2019 | 112 | 104 |
| 2020 | 95 | 79 |
| 2021 | 85 | 68 |
| 2022 | 56 | 64 |
| 2023 | 62 | 59 |
| 2024 | 52 | 63 |
| 2025 | 43 | 57 |
| 2026 | 30 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Exercise machine enhancements8 Sep 2026US 12,728,309 B2Tonal Systems, Inc.
- Exercise bike25 Aug 2026US 12,714,907 B2Coulter Ventures, LLC.
- Condition detection25 Aug 2026US 12,714,911 B2Tonal Systems, Inc.
- Variable load bilateral deadlift machine18 Aug 2026US 12,708,815 B2United States Performance Center, LLC
- Aquatic attachment apparatus11 Aug 2026US 12,702,889 B2Hayward Industries, Inc.
- Exercise machine enhancements8 Oct 2026US 2026/0306901 A1Tonal Systems, Inc.
- Exercise Apparatus having Bidirectional Resistance Movements with Active Load Regulation1 Oct 2026US 2026/0295322 A1Pneumatic Squat Machine, LLC
- Collapsible exercise assembly24 Sep 2026US 2026/0284460 A1
- Stair climbing machine17 Sep 2026US 2026/0273335 A1
- Method and apparatus for determining limb occlusion20 Aug 2026US 2026/0240548 A1Smart Tools Plus, LLC
Most cited
By later US patents
- Integrated virtual reality rehabilitation system456US 5,429,140 AGreenleaf Medical Systems, Inc. · 1995
- Method for diagnosis and/or training of proprioceptor feedback capabilities in a muscle and joint system of a human patient374US 5,078,152 ALoredan Biomedical, Inc. · 1992
- Method and apparatus for facilitating strength training298US 8,287,434 B22012
- Exercise machine with motivational display283US 5,149,084 AProform Fitness Products, Inc. · 1992
- Flywheel252US 5,247,853 AProform Fitness Products, Inc. · 1993