A63B 51/06
Double-sided stringing
A63B51/06 (Double-sided stringing) appears on 24 US grants and 5 published applications in this corpus.
Search patents in A63B- Granted patents
- 24
- Published applications
- 5
- Assignees
- 7
- Inventors
- 33
- Latest grant
- 30 Aug 2005
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Racquet with channeled handle for receiving racquet string30 Aug 2005US 6,935,975 B2Li Mao Sports Co., Inc.
- Double stringed tennis racquet with grommet insert3 Jul 2001US 6,254,499 B1
- Double stringed tennis racquet28 Apr 1998US 5,743,822 A
- Racquet stringing22 Aug 1995US 5,443,575 A
- Double-strung game racquet and method for stringing13 Jun 1995US 5,423,532 A
- Y-String Racket18 May 2023US 2023/0149780 A1
- Tennis Racket Side Frame Stings or Diamond Shape Frame, for More Ball Spins and for Reduce Errors.1 Feb 2018US 2018/0028875 A1
- X-braced tennis racket28 Jun 2007US 2007/0149327 A1
- Dual-stringing conversion and playing surface separation ring for sports racquet19 Apr 2007US 2007/0087871 A1
- Racquet with channeled handle for receiving racquet string14 Oct 2004US 2004/0204270 A1Lli Mao Sports, Co., Inc.
Most cited
By later US patents