A63B 21/4043
Free movement, i.e. the only restriction coming from the resistance
Official title: {Free movement, i.e. the only restriction coming from the resistance (A63B21/00043, A63B21/072 take precedence)}
A63B21/4043 (Free movement, i.e. the only restriction coming from the resistance) appears on 1,387 US grants and 1,498 published applications in this corpus.
Search patents in A63B- Granted patents
- 1,387
- Published applications
- 1,498
- Assignees
- 451
- Inventors
- 2,030
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 11 | 0 |
| 1988 | 5 | 0 |
| 1989 | 9 | 0 |
| 1990 | 9 | 0 |
| 1991 | 11 | 0 |
| 1992 | 13 | 0 |
| 1993 | 15 | 0 |
| 1994 | 14 | 0 |
| 1995 | 6 | 0 |
| 1996 | 17 | 0 |
| 1997 | 16 | 0 |
| 1998 | 28 | 0 |
| 1999 | 21 | 0 |
| 2000 | 16 | 0 |
| 2001 | 16 | 0 |
| 2002 | 6 | 12 |
| 2003 | 10 | 17 |
| 2004 | 14 | 24 |
| 2005 | 5 | 28 |
| 2006 | 12 | 38 |
| 2007 | 23 | 45 |
| 2008 | 22 | 40 |
| 2009 | 32 | 32 |
| 2010 | 42 | 35 |
| 2011 | 45 | 47 |
| 2012 | 30 | 51 |
| 2013 | 40 | 71 |
| 2014 | 60 | 88 |
| 2015 | 61 | 83 |
| 2016 | 74 | 103 |
| 2017 | 86 | 104 |
| 2018 | 72 | 94 |
| 2019 | 93 | 99 |
| 2020 | 76 | 75 |
| 2021 | 69 | 68 |
| 2022 | 53 | 53 |
| 2023 | 58 | 73 |
| 2024 | 53 | 75 |
| 2025 | 77 | 94 |
| 2026 | 34 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Universal exercising apparatus196US 4,709,918 A1987
- Combination chair and exercise unit178US 5,090,694 ANordicTrack, Inc. · 1992
- Methods and apparatus for rehabilitation and training155US 8,012,107 B2Motorika Limited · 2011
- Exercise device with resistance mechanism having a pivoting arm and a resistance member153US 6,685,607 B1Icon IP, Inc. · 2004
- Elliptical exercise machine with integrated anaerobic exercise system141US 7,740,563 B2Icon IP, Inc. · 2010