A63B 21/02
Exercising apparatus for developing or strengthening the muscles or joints of the
Official title: using resilient force-resisters
A63B21/02 (Exercising apparatus for developing or strengthening the muscles or joints of the) appears on 5,289 US grants and 5,157 published applications in this corpus.
Search patents in A63B- Granted patents
- 5,289
- Published applications
- 5,157
- Assignees
- 1,464
- Inventors
- 6,947
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 19 | 0 |
| 1978 | 20 | 0 |
| 1979 | 11 | 0 |
| 1980 | 23 | 0 |
| 1981 | 21 | 0 |
| 1982 | 29 | 0 |
| 1983 | 14 | 0 |
| 1984 | 35 | 0 |
| 1985 | 24 | 0 |
| 1986 | 35 | 0 |
| 1987 | 35 | 0 |
| 1988 | 35 | 0 |
| 1989 | 52 | 0 |
| 1990 | 43 | 0 |
| 1991 | 60 | 0 |
| 1992 | 50 | 0 |
| 1993 | 62 | 0 |
| 1994 | 79 | 0 |
| 1995 | 70 | 0 |
| 1996 | 93 | 0 |
| 1997 | 100 | 0 |
| 1998 | 125 | 0 |
| 1999 | 89 | 0 |
| 2000 | 96 | 0 |
| 2001 | 82 | 12 |
| 2002 | 70 | 83 |
| 2003 | 95 | 113 |
| 2004 | 72 | 122 |
| 2005 | 56 | 162 |
| 2006 | 89 | 158 |
| 2007 | 91 | 169 |
| 2008 | 89 | 135 |
| 2009 | 96 | 154 |
| 2010 | 175 | 183 |
| 2011 | 147 | 166 |
| 2012 | 96 | 176 |
| 2013 | 112 | 220 |
| 2014 | 136 | 250 |
| 2015 | 190 | 279 |
| 2016 | 270 | 286 |
| 2017 | 273 | 347 |
| 2018 | 233 | 295 |
| 2019 | 272 | 291 |
| 2020 | 249 | 269 |
| 2021 | 230 | 257 |
| 2022 | 236 | 273 |
| 2023 | 219 | 223 |
| 2024 | 192 | 209 |
| 2025 | 181 | 207 |
| 2026 | 102 | 118 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A63B 21/055Extension element type3,368
- A63B 21/04Attached to static foundation3,044
- A63B 21/023Wound springs1,655
- A63B 21/045Having torsion or bending or flexion element416
- A63B 21/026Bars336
- A63B 21/05Linearly-compressed elements303
- A63B 21/028Made of material having high internal friction283
- A63B 21/022With springs acting at different parts of the stroke37
All 9 subgroupsShow fewer
Recent patents
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Most cited
By later US patents
- Detection and elimination of macro viruses408US 5,978,917 ASymantec Corporation · 1999
- Exercise machine266US 7,803,095 B12010
- Computerized exercise machine265US 5,067,710 AProform Fitness Products, Inc. · 1991
- Enhanced core movement training bench262US 5,066,005 A1991
- Apparatus and method for measuring subject work rate on an exercise device256US 5,242,339 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Adminstration · 1993