A63B 21/4013
To the ankle
Official title: {to the ankle}
A63B21/4013 (To the ankle) appears on 300 US grants and 364 published applications in this corpus.
Search patents in A63B- Granted patents
- 300
- Published applications
- 364
- Assignees
- 105
- Inventors
- 538
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 8 | 0 |
| 1998 | 11 | 0 |
| 1999 | 8 | 0 |
| 2000 | 9 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 2 |
| 2003 | 3 | 3 |
| 2004 | 1 | 3 |
| 2005 | 2 | 12 |
| 2006 | 4 | 15 |
| 2007 | 4 | 16 |
| 2008 | 0 | 3 |
| 2009 | 7 | 6 |
| 2010 | 4 | 13 |
| 2011 | 7 | 13 |
| 2012 | 2 | 18 |
| 2013 | 8 | 21 |
| 2014 | 9 | 24 |
| 2015 | 19 | 19 |
| 2016 | 23 | 41 |
| 2017 | 30 | 35 |
| 2018 | 18 | 28 |
| 2019 | 26 | 19 |
| 2020 | 19 | 22 |
| 2021 | 11 | 13 |
| 2022 | 14 | 9 |
| 2023 | 9 | 7 |
| 2024 | 6 | 9 |
| 2025 | 5 | 9 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Leg exercise apparatus2 Jun 2026US 12,643,006 B2Daddysgym Ltd.
- Soft exosuit for assistance with human motion24 Feb 2026US 12,558,774 B2President and Fellows of Harvard College
- Hyperthermic conditioning capsule9 Dec 2025US 12,491,109 B2Visibelle Derma Institute, Inc.
- Weight loading apparatus for foot and leg exercises8 Jul 2025US 12,350,539 B2
- Ankle strap weight securement device15 Apr 2025US 12,274,909 B1
- Modular physiotherapy and rehabilitation device27 Aug 2026US 2026/0248675 A1
- Wearable Resistance Garment System4 Jun 2026US 2026/0151664 A1
- Ankle dorsiflexor physical therapy device19 Feb 2026US 2026/0048294 A1
- Joint Rotational Exercise and Stretching Tool20 Nov 2025US 2025/0352847 A1
- Hands-free progressive stretching device23 Oct 2025US 2025/0325870 A1
Most cited
By later US patents
- Martial arts conditioning device133US 5,993,362 A1999
- Resistance apparatus for connection to a human body114US 6,123,649 A2000
- Aerobic resistance exercise garment111US 5,306,222 A1994
- Energy expenditure/training garment103US 5,857,947 A1999
- Variable resistance leg harness exercise apparatus101US 5,203,754 A1993