A63B 21/00058
Mechanical means for varying the resistance
Official title: {Mechanical means for varying the resistance (A63B21/06 takes precedence)}
A63B21/00058 (Mechanical means for varying the resistance) appears on 3,972 US grants and 3,538 published applications in this corpus.
Search patents in A63B- Granted patents
- 3,972
- Published applications
- 3,538
- Assignees
- 1,121
- Inventors
- 4,915
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 15 | 0 |
| 1978 | 8 | 0 |
| 1979 | 10 | 0 |
| 1980 | 17 | 0 |
| 1981 | 17 | 0 |
| 1982 | 16 | 0 |
| 1983 | 17 | 0 |
| 1984 | 19 | 0 |
| 1985 | 18 | 0 |
| 1986 | 40 | 0 |
| 1987 | 41 | 0 |
| 1988 | 36 | 0 |
| 1989 | 47 | 0 |
| 1990 | 53 | 0 |
| 1991 | 48 | 0 |
| 1992 | 43 | 0 |
| 1993 | 57 | 0 |
| 1994 | 69 | 0 |
| 1995 | 53 | 0 |
| 1996 | 80 | 0 |
| 1997 | 73 | 0 |
| 1998 | 104 | 0 |
| 1999 | 52 | 0 |
| 2000 | 59 | 0 |
| 2001 | 48 | 16 |
| 2002 | 51 | 59 |
| 2003 | 55 | 77 |
| 2004 | 59 | 75 |
| 2005 | 34 | 105 |
| 2006 | 71 | 100 |
| 2007 | 59 | 115 |
| 2008 | 79 | 90 |
| 2009 | 79 | 86 |
| 2010 | 106 | 122 |
| 2011 | 131 | 128 |
| 2012 | 67 | 116 |
| 2013 | 83 | 135 |
| 2014 | 100 | 147 |
| 2015 | 118 | 164 |
| 2016 | 180 | 259 |
| 2017 | 244 | 278 |
| 2018 | 190 | 228 |
| 2019 | 210 | 216 |
| 2020 | 190 | 175 |
| 2021 | 160 | 164 |
| 2022 | 173 | 168 |
| 2023 | 145 | 135 |
| 2024 | 126 | 159 |
| 2025 | 148 | 139 |
| 2026 | 61 | 82 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- Embo flo medical device22 Sep 2026US 12,741,172 B2
- Method Of Weight Load Change By Pivot Point On Exercise Aparatus24 Sep 2026US 2026/0284459 A1
- Maximally Flexible Apparatus for Exercising the Muscles with Two Force Arms24 Sep 2026US 2026/0284463 A1
- Exercise assembly with arm having 360° rotation24 Sep 2026US 2026/0284471 A1
- Chair exercise apparatus17 Sep 2026US 2026/0272179 A1Balanced Body, Inc.
- Surfing and/or swimming training system17 Sep 2026US 2026/0273329 A1
Most cited
By later US patents
- Method and apparatus for facilitating strength training298US 8,287,434 B22012
- Exercise machine266US 7,803,095 B12010
- Enhanced core movement training bench262US 5,066,005 A1991
- Flywheel252US 5,247,853 AProform Fitness Products, Inc. · 1993
- Variable resistance exercise device236US 6,027,429 ANordicTrack, Inc. · 2000