A63B 51/001
Stringing tennis, badminton or like rackets: using strings made of different materials
Official title: {using strings made of different materials on the same frame, e.g. gut and nylon}
A63B51/001 (Stringing tennis, badminton or like rackets: using strings made of different materials) appears on 7 US grants and 4 published applications in this corpus.
Search patents in A63B- Granted patents
- 7
- Published applications
- 4
- Assignees
- 5
- Inventors
- 15
- Latest grant
- 5 Feb 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
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| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
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| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Superelastic racket string5 Feb 2019US 10,195,496 B2Head Technology GmbH
- Racket string and stringed rackets using the same26 Dec 1995US 5,478,072 AGosen Co., Ltd.
- String having different modulus of elasticity for stringing a racket for ball games30 May 1995US 5,419,963 A
- Tennis racquet20 Dec 1994US 5,374,058 AGenCorp Inc.
- Tennis racquet15 Jun 1993US 5,219,165 AGenCorp Inc.
Most cited
By later US patents