A63B 60/0081
Substantially flexible shafts
Official title: {Substantially flexible shafts; Hinged shafts}
A63B60/0081 (Substantially flexible shafts) appears on 327 US grants and 215 published applications in this corpus.
Search patents in A63B- Granted patents
- 327
- Published applications
- 215
- Assignees
- 123
- Inventors
- 461
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 9 | 0 |
| 1995 | 9 | 0 |
| 1996 | 13 | 0 |
| 1997 | 12 | 0 |
| 1998 | 12 | 0 |
| 1999 | 25 | 0 |
| 2000 | 16 | 0 |
| 2001 | 9 | 3 |
| 2002 | 6 | 11 |
| 2003 | 11 | 12 |
| 2004 | 8 | 11 |
| 2005 | 7 | 17 |
| 2006 | 7 | 4 |
| 2007 | 8 | 10 |
| 2008 | 1 | 7 |
| 2009 | 10 | 15 |
| 2010 | 10 | 7 |
| 2011 | 9 | 8 |
| 2012 | 6 | 13 |
| 2013 | 7 | 7 |
| 2014 | 10 | 10 |
| 2015 | 7 | 10 |
| 2016 | 7 | 6 |
| 2017 | 8 | 5 |
| 2018 | 1 | 10 |
| 2019 | 14 | 17 |
| 2020 | 11 | 10 |
| 2021 | 6 | 5 |
| 2022 | 1 | 3 |
| 2023 | 4 | 1 |
| 2024 | 3 | 9 |
| 2025 | 2 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Golf club fitting device, method and program26 May 2026US 12,636,558 B2Sumitomo Rubber Industries, Ltd.
- Combo Family Game1 Apr 2025US 12,263,389 B1
- Bent composite golf club shaft and methods for manufacturing bent composite golf club shafts25 Mar 2025US 12,257,764 B1Topgolf Callaway Brands Corp.
- Hockey stick with variable stiffness blade23 Jul 2024US 12,042,706 B2Bauer Hockey, LLC
- Ball bat with decoupled barrel9 Apr 2024US 11,951,368 B2Easton Diamond Sports, LLC
- Golf club shaft1 Oct 2026US 2026/0295348 A1I.S.T. Corporation
- Golf shaft and method of manufacturing the same25 Dec 2025US 2025/0387680 A1NHK Spring Co., Ltd.
- Bent Composite Golf Club Shaft and Methods for Manufacturing Bent Composite Golf Club Shafts10 Jul 2025US 2025/0222647 A1Topgolf Callaway Brands Corp.
- Operating a Drone Navigating Within an Arena26 Jun 2025US 2025/0205612 A1
- Core Apparatus for Manufacturing Straight and Bent Graphite Golf-Club Shafts7 Nov 2024US 2024/0367016 A1DJ Golf Engineering Inc.
Most cited
By later US patents
- Golf club head with power shaft and method of making344US 5,888,148 AVardon Golf Company, Inc. · 1999
- Oversize metal wood with power shaft211US 5,873,791 AVarndon Golf Company, Inc. · 1999
- Softball bat105US 5,415,398 A1995
- Vibration absorbing material for handles of sporting equipment86US 5,653,643 APendulum Corp. · 1997
- Golf shaft having controlled flex zone75US 4,319,750 AAldila, Inc. · 1982