A63B 51/12
Devices arranged in or on the racket for adjusting the tension of
Official title: Devices arranged in or on the racket for adjusting the tension of the strings
A63B51/12 (Devices arranged in or on the racket for adjusting the tension of) appears on 62 US grants and 28 published applications in this corpus.
Search patents in A63B- Granted patents
- 62
- Published applications
- 28
- Assignees
- 15
- Inventors
- 69
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 1 |
| 2003 | 3 | 2 |
| 2004 | 0 | 0 |
| 2005 | 2 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 2 | 0 |
| 2009 | 3 | 1 |
| 2010 | 0 | 2 |
| 2011 | 4 | 4 |
| 2012 | 2 | 2 |
| 2013 | 1 | 2 |
| 2014 | 0 | 2 |
| 2015 | 2 | 2 |
| 2016 | 3 | 3 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tennis racket dampener device with variable dampening21 Apr 2026US 12,605,605 B1
- Racket with a string tensioning device27 Aug 2024US 12,070,659 B2Elevating Sports B.V.
- System and method for a game racquet including a grommet actuator21 Nov 2017US 9,821,197 B2
- Racket21 Mar 2017US 9,597,555 B2Yonex Kabushiki Kaisha
- Interactive tennis racket with split head, flexible spherical joints and strings tension mechanism29 Nov 2016US 9,504,882 B2
- Grommet6 Feb 2025US 2025/0041676 A1Mizuno Corporation
- Pad structure30 Mar 2023US 2023/0099809 A1
- Racket With a String Tensioning Device24 Mar 2022US 2022/0088444 A1Elevating Sports B.V.
- Tunable tennis racket apparatus30 Jan 2020US 2020/0030667 A1
- Interactive tennis racket with split head, flexible spherical joints and strings tension mechanism27 Oct 2016US 2016/0310804 A1
Most cited
By later US patents
- Lacrosse stick lace system39US 6,533,686 B2Stx, LLC · 2003
- Soft golf club head38US 7,988,567 B2Industrial Cooperation Foundation Chonbuk National University · 2011
- Lacrosse stick lace system37US 6,641,492 B2Stx, LLC · 2003
- Lacrosse pocket having shooting string guide tubes between the runners36US 7,390,275 B1Rawlings Sporting Goods Company, Inc. · 2008
- Lacrosse pocket having runners with pre-sewn apertures33US 7,503,859 B1Rawlings Sporting Goods Company, Inc. · 2009