A63B 21/05
Linearly-compressed elements
Official title: Linearly-compressed elements {(A63B21/028 takes precedence)}
A63B21/05 (Linearly-compressed elements) appears on 303 US grants and 222 published applications in this corpus.
Search patents in A63B- Granted patents
- 303
- Published applications
- 222
- Assignees
- 90
- Inventors
- 497
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 8 | 0 |
| 1991 | 11 | 0 |
| 1992 | 6 | 0 |
| 1993 | 10 | 0 |
| 1994 | 9 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 11 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 0 |
| 2002 | 7 | 2 |
| 2003 | 2 | 6 |
| 2004 | 4 | 7 |
| 2005 | 4 | 11 |
| 2006 | 6 | 7 |
| 2007 | 7 | 13 |
| 2008 | 3 | 6 |
| 2009 | 3 | 8 |
| 2010 | 14 | 8 |
| 2011 | 7 | 2 |
| 2012 | 3 | 7 |
| 2013 | 6 | 13 |
| 2014 | 5 | 14 |
| 2015 | 12 | 14 |
| 2016 | 20 | 11 |
| 2017 | 7 | 11 |
| 2018 | 6 | 6 |
| 2019 | 10 | 12 |
| 2020 | 10 | 19 |
| 2021 | 9 | 10 |
| 2022 | 7 | 11 |
| 2023 | 7 | 8 |
| 2024 | 7 | 10 |
| 2025 | 6 | 4 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Variable resistance device6 Oct 2026US 12,752,145 B2The Curators of the University of Missouri
- Dual flex footrest for increasing circulation16 Jun 2026US 12,653,316 B2
- Multifunctional hand grip exerciser28 Apr 2026US 12,611,572 B2Ningbo Haolei Intelligent Technology Co., Ltd.
- Exercise device21 Apr 2026US 12,605,581 B2BreathCore, Inc.
- Variable force pneumatic exercise staff and method16 Dec 2025US 12,496,480 B2
- Finger training device16 Jul 2026US 2026/0199731 A1
- Bottle with built-in finger-strengthening mechanism28 May 2026US 2026/0145026 A1
- Dexterity system12 Jun 2025US 2025/0186824 A1Neuromuscular Dynamics, LLC
- Fluid stimulation methods and devices for treating fluid overload10 Apr 2025US 2025/0114272 A1Aquapass Ltd
- Finger exercising device and system for the training, warming up, and/or rehabilitation of muscles, tendons, and pulleys of the phalanges and method of determining adhesion for climbing23 Jan 2025US 2025/0025747 A1
Most cited
By later US patents
- Wrist exerciser204US 5,425,690 A1995
- Aerobic and anaerobic exercise machine190US 5,722,922 AICON Health & Fitness, Inc. · 1998
- Independent action stepper135US 5,622,527 AICON Health & Fitness, Inc. · 1997
- Reciprocator for a stepper exercise machine131US 5,062,627 AProform Fitness Products, Inc. · 1991
- Modular resistance assembly for exercise machines124US 5,135,216 AProform Fitness Products, Inc. · 1992