A63B 51/023
Strings having characteristics varying along the length of the string
Official title: {Strings having characteristics varying along the length of the string, e.g. diameter or elasticity}
A63B51/023 (Strings having characteristics varying along the length of the string) appears on 11 US grants and 9 published applications in this corpus.
Search patents in A63B- Granted patents
- 11
- Published applications
- 9
- Assignees
- 7
- Inventors
- 23
- Latest grant
- 10 May 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 2 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Monofilament string for use in string racket sports10 May 2022US 11,325,012 B2Luxilon Industries NV
- Tennis racket27 Oct 2020US 10,814,188 B2Sumitomo Rubber Industries, Ltd.
- Superelastic racket string5 Feb 2019US 10,195,496 B2Head Technology GmbH
- Sports equipment swing training aid incorporating a reversible thermochromatic leuco dye for providing a temporary visual swing-related feedback to a user and a method of use21 Aug 2018US 10,052,543 B1
- Racket with piezoelectric strings7 Jun 2016US 9,358,428 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Spin and durability improving machine for playing rackets and methods thereof17 Feb 2022US 2022/0047924 A1
- Monofilament string for use in string racket sports23 Jan 2020US 2020/0023241 A1Luxilon Industries NV
- Tennis racket31 Oct 2019US 2019/0329102 A1Sumitomo Rubber Industries, Ltd.
- String set, main string, and cross string25 Apr 2019US 2019/0118045 A1Yonex Kabushiki Kaisha
- Superelastic racket string2 Nov 2017US 2017/0312589 A1Head Technology GmbH
Most cited
By later US patents
- String having different modulus of elasticity for stringing a racket for ball games7US 5,419,963 A1995
- Racket for ball games and string portion or string therefor6US 5,346,212 A1994
- Interlocking string network for sports rackets6US 6,506,134 B22003
- Racquet stringing5US 5,443,575 A1995
- Sports equipment swing training aid incorporating a reversible thermochromatic leuco dye for providing a temporary visual swing-related feedback to a user and a method of use4US 10,052,543 B12018