A63B 23/0233
Muscles of the back
Official title: {Muscles of the back, e.g. by an extension of the body against a resistance, reverse crunch}
A63B23/0233 (Muscles of the back) appears on 762 US grants and 706 published applications in this corpus.
Search patents in A63B- Granted patents
- 762
- Published applications
- 706
- Assignees
- 239
- Inventors
- 1,045
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 9 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 12 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 13 | 0 |
| 1993 | 9 | 0 |
| 1994 | 8 | 0 |
| 1995 | 11 | 0 |
| 1996 | 15 | 0 |
| 1997 | 15 | 0 |
| 1998 | 22 | 0 |
| 1999 | 20 | 0 |
| 2000 | 18 | 0 |
| 2001 | 20 | 4 |
| 2002 | 19 | 17 |
| 2003 | 15 | 15 |
| 2004 | 13 | 26 |
| 2005 | 10 | 24 |
| 2006 | 13 | 32 |
| 2007 | 13 | 38 |
| 2008 | 22 | 38 |
| 2009 | 25 | 26 |
| 2010 | 29 | 33 |
| 2011 | 28 | 31 |
| 2012 | 22 | 29 |
| 2013 | 12 | 25 |
| 2014 | 16 | 26 |
| 2015 | 21 | 29 |
| 2016 | 26 | 50 |
| 2017 | 43 | 69 |
| 2018 | 48 | 44 |
| 2019 | 50 | 37 |
| 2020 | 32 | 25 |
| 2021 | 22 | 18 |
| 2022 | 19 | 20 |
| 2023 | 16 | 12 |
| 2024 | 19 | 10 |
| 2025 | 14 | 21 |
| 2026 | 6 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cervical spine and neck muscles strengthening apparatus and methods for producing and adjusting thereof25 Aug 2026US 12,714,908 B1
- Healthy posture system and method28 Jul 2026US 12,691,329 B1
- Glute hamstring developer exercise machine23 Jun 2026US 12,661,545 B2Bulletproof Fitness Equipment Inc
- Auto-rotating handle26 May 2026US 12,636,541 B2Newtech Wellness Corporation
- Method of performing a plank style exercise and device for use therewith5 May 2026US 12,616,870 B2Plankcore Assist LLC
- Garment2 Jul 2026US 2026/0182678 A1Belle Esprit Co., Ltd.
- Pelvic fulcrum support18 Jun 2026US 2026/0166359 A1Steinberg Holdings, LLC
- Pelvic fulcrum support18 Jun 2026US 2026/0166360 A1Steinberg Holdings, LLC
- Posterior chain exercise apparatus and methods of using same14 May 2026US 2026/0131186 A1
- Devices and methods for a multi-configuration exercise device with decline configuration7 May 2026US 2026/0124490 A1Freak Athlete Essentials LLC
Most cited
By later US patents
- Spine motion analyzer and method167US 5,337,758 AOrthopedic Systems, Inc. · 1994
- Multi-functional exerciser134US 5,580,340 A1996
- Martial arts conditioning device133US 5,993,362 A1999
- Exercise and game controller apparatus and method133US 7,335,134 B12008
- Torso muscle and spine exercise apparatus98US 5,941,807 A1999