A63B 21/00076
On the fly, i.e. varying the resistance during exercise
Official title: {on the fly, i.e. varying the resistance during exercise}
A63B21/00076 (On the fly, i.e. varying the resistance during exercise) appears on 235 US grants and 255 published applications in this corpus.
Search patents in A63B- Granted patents
- 235
- Published applications
- 255
- Assignees
- 98
- Inventors
- 360
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 3 |
| 2005 | 0 | 5 |
| 2006 | 2 | 5 |
| 2007 | 2 | 2 |
| 2008 | 5 | 9 |
| 2009 | 3 | 7 |
| 2010 | 8 | 7 |
| 2011 | 8 | 9 |
| 2012 | 7 | 11 |
| 2013 | 8 | 9 |
| 2014 | 7 | 12 |
| 2015 | 8 | 20 |
| 2016 | 17 | 19 |
| 2017 | 26 | 13 |
| 2018 | 12 | 18 |
| 2019 | 9 | 17 |
| 2020 | 15 | 22 |
| 2021 | 18 | 18 |
| 2022 | 13 | 10 |
| 2023 | 13 | 15 |
| 2024 | 10 | 3 |
| 2025 | 16 | 13 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Method for controlling exercise load variations in a strength exercise machine and exercise machine implementing such method20 Jan 2026US 12,527,990 B2TECHNOGYM S.p. A.
- Motorized Pilates reformer system30 Dec 2025US 12,508,459 B2
- Fitness device and resistance adjustment method thereof18 Jun 2026US 2026/0166382 A1Inventec Appliances Corp.
- Enhancing concentric load experienced by user14 May 2026US 2026/0131182 A1Tonal Systems, Inc.
- Motorized pilates reformer system7 May 2026US 2026/0124486 A1iFIT Inc.
- Fitness training device22 Jan 2026US 2026/0021348 A1Vitruvian Investments Pty Ltd
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Most cited
By later US patents
- Methods and apparatuses for rehabilitation and training132US 8,177,732 B2Motorika Limited · 2012
- Exercise machine with adjustable-resistance, hydraulic cylinder122US 5,762,587 AICON Health & Fitness, Inc. · 1998
- Exercise apparatus and associated method including rheological fluid brake111US 5,810,696 ANautilus Acquisition Corporation · 1998
- Strength training apparatus with flywheel and related methods111US 9,254,409 B2ICON Health & Fitness, Inc. · 2016
- Laterally tilting treadmill deck105US 9,616,278 B2ICON Health & Fitness, Inc. · 2017