A63B 21/00
Exercising apparatus for developing or strengthening the muscles or joints of the
Official title: Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices (electric or electronic controls therefor A63B24/00)
A63B21/00 (Exercising apparatus for developing or strengthening the muscles or joints of the) appears on 17,320 US grants and 16,355 published applications in this corpus.
Search patents in A63B- Granted patents
- 17,320
- Published applications
- 16,355
- Assignees
- 4,381
- Inventors
- 21,569
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 58 | 0 |
| 1977 | 55 | 0 |
| 1978 | 61 | 0 |
| 1979 | 47 | 0 |
| 1980 | 98 | 0 |
| 1981 | 98 | 0 |
| 1982 | 103 | 0 |
| 1983 | 83 | 0 |
| 1984 | 112 | 0 |
| 1985 | 112 | 0 |
| 1986 | 170 | 0 |
| 1987 | 193 | 0 |
| 1988 | 192 | 0 |
| 1989 | 230 | 0 |
| 1990 | 238 | 0 |
| 1991 | 267 | 0 |
| 1992 | 237 | 0 |
| 1993 | 262 | 0 |
| 1994 | 309 | 0 |
| 1995 | 280 | 0 |
| 1996 | 307 | 0 |
| 1997 | 306 | 0 |
| 1998 | 389 | 0 |
| 1999 | 301 | 0 |
| 2000 | 290 | 0 |
| 2001 | 287 | 58 |
| 2002 | 250 | 292 |
| 2003 | 273 | 372 |
| 2004 | 239 | 407 |
| 2005 | 189 | 452 |
| 2006 | 362 | 490 |
| 2007 | 265 | 599 |
| 2008 | 307 | 510 |
| 2009 | 352 | 490 |
| 2010 | 523 | 602 |
| 2011 | 497 | 556 |
| 2012 | 321 | 582 |
| 2013 | 332 | 594 |
| 2014 | 408 | 711 |
| 2015 | 539 | 701 |
| 2016 | 635 | 800 |
| 2017 | 710 | 897 |
| 2018 | 638 | 874 |
| 2019 | 746 | 859 |
| 2020 | 707 | 819 |
| 2021 | 702 | 857 |
| 2022 | 722 | 904 |
| 2023 | 669 | 832 |
| 2024 | 685 | 826 |
| 2025 | 733 | 759 |
| 2026 | 431 | 512 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A63B 21/40Interfaces with the user related to strength training9,006
- A63B 21/06User-manipulated weights6,457
- A63B 21/02Exercising apparatus for developing or strengthening the muscles or joints of the5,289
- A63B 21/00058Mechanical means for varying the resistance3,972
- A63B 21/15Arrangements for force transmissions3,554
- A63B 21/005Exercising apparatus for developing or strengthening the muscles or joints of the2,308
- A63B 21/008Exercising apparatus for developing or strengthening the muscles or joints of the2,030
- A63B 21/22Resisting devices with rotary bodies1,803
All 20 subgroupsShow fewer
- A63B 21/16Supports for anchoring force-resisters1,569
- A63B 21/012Exercising apparatus for developing or strengthening the muscles or joints of the1,554
- A63B 21/0004Exercising devices moving as a whole during exercise1,529
- A63B 21/00181Comprising additional means assisting the user to overcome part of the resisting881
- A63B 21/00047Exercising devices not moving during use714
- A63B 21/002Isometric or isokinetic, i.e. substantial force variation without substantial muscle motion or588
- A63B 21/00185Exercising apparatus for developing or strengthening the muscles or joints of the469
- A63B 21/00178Exercising apparatus for developing or strengthening the muscles or joints of the442
- A63B 21/00192Exercising apparatus for developing or strengthening the muscles or joints of the259
- A63B 21/28Devices for two persons operating in opposition or in cooperation192
- A63B 21/00196Exercising apparatus for developing or strengthening the muscles or joints of the170
- A63B 21/00189Exercising apparatus for developing or strengthening the muscles or joints of the81
Recent patents
- Driving device and exercise equipment including same6 Oct 2026US 12,752,144 B2LG Electronics Inc.
- Variable resistance device6 Oct 2026US 12,752,145 B2The Curators of the University of Missouri
- Expander with degressive stress behaviour6 Oct 2026US 12,752,146 B2Fuerallex LLC
- Weight apparatus including weight adjustment arrangement6 Oct 2026US 12,752,147 B2Personality Gym AB
- Single stud wall mountable exercise machine6 Oct 2026US 12,752,148 B2Amp Fit Israel Ltd
- Yoga Ring8 Oct 2026US 2026/0306895 A1Xiamen Gepei Trading Co., Ltd
- Physical training and rehabilitation device8 Oct 2026US 2026/0306896 A1
- Lifting bar weight resistance with self-locking weight plate rods producing varying weight loads for an exercise machine8 Oct 2026US 2026/0306897 A1
- Exercise machine line spool8 Oct 2026US 2026/0306898 A1Tonal Systems, Inc.
- Bed Exercise Systems and Methods8 Oct 2026US 2026/0306899 A1Sage Products, LLC
Most cited
By later US patents
- Apparatus for training the muscles of the female pelvic diaphragm1,074US 5,354,250 A1994
- Real time simulation using position sensing791US 6,152,856 AReal Vision Co., Ltd. · 2000
- Virtual reality exercise machine and computer controlled video system671US 5,577,981 A1996
- Interactive exercise apparatus645US 5,690,582 ATectrix Fitness Equipment, Inc. · 1997
- System and method for bicycle riding simulation591US 5,240,417 AAtari Games Corporation · 1993