A63B 37/003
Coefficient of restitution
Official title: {Coefficient of restitution}
A63B37/003 (Coefficient of restitution) appears on 100 US grants and 72 published applications in this corpus.
Search patents in A63B- Granted patents
- 100
- Published applications
- 72
- Assignees
- 21
- Inventors
- 79
- Latest grant
- 10 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 2 |
| 2002 | 13 | 9 |
| 2003 | 8 | 9 |
| 2004 | 8 | 5 |
| 2005 | 4 | 11 |
| 2006 | 6 | 5 |
| 2007 | 11 | 4 |
| 2008 | 3 | 2 |
| 2009 | 2 | 7 |
| 2010 | 3 | 2 |
| 2011 | 6 | 0 |
| 2012 | 0 | 1 |
| 2013 | 2 | 2 |
| 2014 | 3 | 0 |
| 2015 | 2 | 2 |
| 2016 | 2 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 2 |
| 2019 | 2 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 2 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
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- Golf ball core compositions with metamaterial2 Oct 2025US 2025/0303235 A1Acushnet Company
- Golf ball3 Apr 2025US 2025/0108265 A1Bridgestone Sports Co.Ltd.
- Golf ball core compositions with metamaterial16 May 2024US 2024/0157201 A1Acushnet Company
- Golf ball19 May 2022US 2022/0152459 A1Bridgestone Sports Co.Ltd.
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Most cited
By later US patents
- Multilayer golf ball433US 5,688,191 AAcushnet Company · 1997
- Multi-core, multi-cover golf ball337US 5,779,562 A1998
- Golf ball321US 4,884,814 ASpalding & Evenflo Companies, Inc. · 1989
- Multi-layer golf ball175US 6,083,119 ASpalding Sports Worldwide, Inc. · 2000
- Golf ball with ionomeric cover and method of making same137US 5,902,855 ALisco, Inc. · 1999