A63B 51/026
Strings having non-circular cross-section
Official title: {Strings having non-circular cross-section}
A63B51/026 (Strings having non-circular cross-section) appears on 20 US grants and 7 published applications in this corpus.
Search patents in A63B- Granted patents
- 20
- Published applications
- 7
- Assignees
- 9
- Inventors
- 24
- Latest grant
- 15 May 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- String for sport rackets15 May 2012US 8,178,200 B2Yao I Fabric Co., Ltd.
- Monofilamentous string22 Feb 2011US 7,892,642 B2LUXILON INDUSTRIES, naamloze vennootschap
- Sport racket strings with hollow center core16 Jun 2009US 7,546,724 B2Yao I Fabric Co., Ltd.
- Structure of toy tennis racket21 Oct 2008US 7,438,654 B2
- Interlocking string network for sports rackets14 Jan 2003US 6,506,134 B2
- String for sports racquet and sports racquet with improved string6 Nov 2014US 2014/0329623 A1Diadem Sports, LLC
- String for sport rackets31 Mar 2011US 2011/0076498 A1Yao I Fabric Co., Ltd.
- Monofilamentous string18 Feb 2010US 2010/0040878 A1LUXILON INDUSTRIES, naamloze vennootschap
- Strings of sport rackets and method for making the same24 Apr 2008US 2008/0096701 A1
- Structure of toy tennis racket11 Oct 2007US 2007/0238561 A1
Most cited
By later US patents
- String construction75US 4,016,714 AAshaway Line & Twine Mfg. Co. · 1977
- Integrated string19US 4,055,941 AE. I. Du Pont de Nemours and Company · 1977
- String construction for athletic rackets13US 4,306,410 AKureha Gosen Kabushiki Kaisha · 1981
- Tennis rackets12US 4,005,863 A1977
- Gut string for sports rackets11US 4,449,353 AUnited States Tennis Gut Association, Inc. · 1984