A63B 37/00921
Whereby hardness of the cover is higher than hardness of the intermediate
Official title: {whereby hardness of the cover is higher than hardness of the intermediate layers}
A63B37/00921 (Whereby hardness of the cover is higher than hardness of the intermediate) appears on 97 US grants and 111 published applications in this corpus.
Search patents in A63B- Granted patents
- 97
- Published applications
- 111
- Assignees
- 13
- Inventors
- 80
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 12 | 2 |
| 2002 | 1 | 6 |
| 2003 | 7 | 3 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 2 | 2 |
| 2009 | 1 | 3 |
| 2010 | 2 | 4 |
| 2011 | 1 | 2 |
| 2012 | 1 | 2 |
| 2013 | 3 | 6 |
| 2014 | 5 | 12 |
| 2015 | 4 | 7 |
| 2016 | 7 | 7 |
| 2017 | 8 | 9 |
| 2018 | 7 | 4 |
| 2019 | 5 | 5 |
| 2020 | 4 | 10 |
| 2021 | 6 | 6 |
| 2022 | 5 | 2 |
| 2023 | 2 | 8 |
| 2024 | 4 | 3 |
| 2025 | 1 | 2 |
| 2026 | 0 | 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
- Three-piece solid golf ball297US 5,002,281 ASumitomo Rubber Industries, Ltd. · 1991
- Multi-piece golf ball122US 6,565,455 B2Bridgestone Sports Co.Ltd. · 2003
- Multi-piece solid golf ball105US 5,725,442 ABridgestone Sports Co.Ltd. · 1998
- Multi-piece golf ball90US 6,565,456 B2Bridgesotne Sports Co., Ltd. · 2003
- Solid golf ball68US 6,461,251 B1Bridgestone Sports Co.Ltd. · 2002