A63B 37/00922
Whereby hardness of the cover is lower than hardness of the intermediate
Official title: {whereby hardness of the cover is lower than hardness of the intermediate layers}
A63B37/00922 (Whereby hardness of the cover is lower than hardness of the intermediate) appears on 270 US grants and 288 published applications in this corpus.
Search patents in A63B- Granted patents
- 270
- Published applications
- 288
- Assignees
- 20
- Inventors
- 147
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 5 |
| 2003 | 2 | 14 |
| 2004 | 11 | 8 |
| 2005 | 9 | 5 |
| 2006 | 9 | 2 |
| 2007 | 2 | 1 |
| 2008 | 4 | 10 |
| 2009 | 4 | 8 |
| 2010 | 5 | 12 |
| 2011 | 5 | 12 |
| 2012 | 10 | 16 |
| 2013 | 6 | 18 |
| 2014 | 13 | 16 |
| 2015 | 15 | 17 |
| 2016 | 14 | 21 |
| 2017 | 15 | 17 |
| 2018 | 23 | 20 |
| 2019 | 29 | 14 |
| 2020 | 18 | 12 |
| 2021 | 17 | 10 |
| 2022 | 8 | 9 |
| 2023 | 11 | 11 |
| 2024 | 6 | 15 |
| 2025 | 15 | 12 |
| 2026 | 9 | 2 |
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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