A63B 21/0023
For isometric exercising, i.e. substantial force variation without substantial muscle motion
Official title: {for isometric exercising, i.e. substantial force variation without substantial muscle motion}
A63B21/0023 (For isometric exercising, i.e. substantial force variation without substantial muscle motion) appears on 436 US grants and 500 published applications in this corpus.
Search patents in A63B- Granted patents
- 436
- Published applications
- 500
- Assignees
- 198
- Inventors
- 694
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 9 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 0 |
| 2002 | 2 | 3 |
| 2003 | 6 | 7 |
| 2004 | 2 | 13 |
| 2005 | 2 | 11 |
| 2006 | 6 | 17 |
| 2007 | 8 | 15 |
| 2008 | 3 | 16 |
| 2009 | 5 | 17 |
| 2010 | 20 | 23 |
| 2011 | 13 | 16 |
| 2012 | 12 | 23 |
| 2013 | 11 | 14 |
| 2014 | 3 | 22 |
| 2015 | 20 | 28 |
| 2016 | 21 | 35 |
| 2017 | 30 | 33 |
| 2018 | 23 | 30 |
| 2019 | 24 | 32 |
| 2020 | 32 | 36 |
| 2021 | 19 | 23 |
| 2022 | 32 | 26 |
| 2023 | 21 | 12 |
| 2024 | 19 | 16 |
| 2025 | 17 | 16 |
| 2026 | 7 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Muscle activation assembly system and method18 Aug 2026US 12,708,584 B2IQInvestments Corporation Pty. Ltd.
- Isometric, dynamic isotonic concentric and dynamic isotonic eccentric motorized guidance exercise apparatus11 Aug 2026US 12,702,888 B2
- Isokinetic and isometric strength assessment, rehabilitation and exercise machine9 Jun 2026US 12,649,080 B1Poseidon Strength, LLC
- Abdominal core and plank exercise apparatus5 May 2026US 12,616,871 B2
- Exercise apparatus7 Apr 2026US 12,594,458 B1
- Limb exercise device6 Aug 2026US 2026/0224940 A1Ai Rehab Limited
- System and Method for Using an Exercise Machine to Improve Completion of an Exercise2 Jul 2026US 2026/0183617 A1ROM Technologies, Inc.
- Pelvic fulcrum support18 Jun 2026US 2026/0166359 A1Steinberg Holdings, LLC
- Pelvic fulcrum support18 Jun 2026US 2026/0166360 A1Steinberg Holdings, LLC
- Isokinetic and Isometric Strength Assessment, Rehabilitation and Exercise Machine11 Jun 2026US 2026/0158317 A1Poseidon Strength, LLC
Most cited
By later US patents
- Apparatus for training the muscles of the female pelvic diaphragm1,074US 5,354,250 A1994
- Communication system for an instrumented orthopedic restraining device and method therefor384US 6,515,593 B1IZEX Technologies, Inc. · 2003
- Computer controlled exercise machine254US 4,869,497 AUniversal Gym Equipment, Inc. · 1989
- Communication system for an instrumented orthopedic restraining device and method therefor251US 5,929,782 A1999
- Apparatus for isometric exercise146US 6,616,579 B1Sensorpad Systems, Inc. · 2003