A63B 21/4034
For operation by feet
Official title: {for operation by feet}
A63B21/4034 (For operation by feet) appears on 1,175 US grants and 1,367 published applications in this corpus.
Search patents in A63B- Granted patents
- 1,175
- Published applications
- 1,367
- Assignees
- 437
- Inventors
- 1,724
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 8 | 0 |
| 1997 | 6 | 0 |
| 1998 | 2 | 0 |
| 1999 | 8 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 5 |
| 2003 | 3 | 2 |
| 2004 | 2 | 8 |
| 2005 | 1 | 5 |
| 2006 | 8 | 11 |
| 2007 | 6 | 17 |
| 2008 | 6 | 13 |
| 2009 | 7 | 7 |
| 2010 | 6 | 6 |
| 2011 | 10 | 20 |
| 2012 | 13 | 18 |
| 2013 | 17 | 34 |
| 2014 | 16 | 40 |
| 2015 | 37 | 64 |
| 2016 | 59 | 94 |
| 2017 | 107 | 137 |
| 2018 | 91 | 122 |
| 2019 | 118 | 123 |
| 2020 | 113 | 111 |
| 2021 | 86 | 100 |
| 2022 | 100 | 100 |
| 2023 | 96 | 88 |
| 2024 | 78 | 91 |
| 2025 | 82 | 92 |
| 2026 | 53 | 59 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
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