Devices for measuring the tension of strings

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CPC
A63B51/005

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AHUMAN NECESSITIES A63Sports, games A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING BALL GAMES TRAINING EQUIPMENT A63B51/00Stringing tennis, badminton or like rackets Strings therefore Maintenance of racket strings

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A63B51/005Devices for measuring the tension of strings

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Device for accurately measuring string bed stiffness in a racket
- Patent number 11,607,589
- Issue date Mar 21, 2023
- Mark E. Van Denend
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Pulling string apparatus of stringing machine
- Patent number 11,305,162
- Issue date Apr 19, 2022
- GUANGZHOU MASTRIPOD TECHNOLOGY LIMITED
- Yundou Ma
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Methods and apparatuses for enhancing performance in racket sports
- Patent number 9,364,730
- Issue date Jun 14, 2016
- Head Technology GmbH
- Ralf Schwenger
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Individual tensiometer for measuring tension in a string
- Patent number 8,955,398
- Issue date Feb 17, 2015
- Eric Loreau
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Methods and apparatuses for enhancing performance in racket sports
- Patent number 8,602,922
- Issue date Dec 10, 2013
- Head Technology GmbH
- Ralf Schwenger
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Devices for measuring strings of a racket and ball quality
- Patent number 7,600,437
- Issue date Oct 13, 2009
- Adolf Brunner
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Devices for determining the string tension of racket strings
- Patent number 7,578,065
- Issue date Aug 25, 2009
- Adolf Brunner
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
String tension identification device and method
- Patent number 7,335,120
- Issue date Feb 26, 2008
- Dusan Pittner
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Racket assembly that warns of a fatigued string condition
- Patent number 7,326,133
- Issue date Feb 5, 2008
- In Young Choi
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Tension tester of tennis racquet string
- Patent number 5,481,926
- Issue date Jan 9, 1996
- Darryl D. Manson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Pitch/tension device
- Patent number 5,406,827
- Issue date Apr 18, 1995
- Willis G. Boyden
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Racquet string actual tension measuring device
- Patent number 5,299,462
- Issue date Apr 5, 1994
- David L. Key
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Tensiometer
- Patent number 5,133,217
- Issue date Jul 28, 1992
- Donald J. Jordan
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Method and apparatus for mesurement of tension in an elastic surface
- Patent number 5,123,284
- Issue date Jun 23, 1992
- John D. Edinburgh
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Racket stringing tension measuring device
- Patent number 5,060,524
- Issue date Oct 29, 1991
- Makser, S.A.
- Felipe Artola
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Racquet string tension measuring device
- Patent number 5,048,352
- Issue date Sep 17, 1991
- Masker, S.A.
- Felipe Artola Ugarte
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Process and device for measuring the tension of racket strings
- Patent number 5,007,294
- Issue date Apr 16, 1991
- Mauve; Karl-Eberhard
- Klaus Matjasic
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Racket string tension tester
- Patent number 4,876,900
- Issue date Oct 31, 1989
- William P. Carney
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Racket-stringing tester
- Patent number 4,846,002
- Issue date Jul 11, 1989
- Adolf Brunner
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Tennis racket string tension tester
- Patent number 4,794,805
- Issue date Jan 3, 1989
- William P. Carney
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Racket tester
- Patent number 4,747,314
- Issue date May 31, 1988
- Ben T. Huang
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Racquet stringing system with string tension indicating means
- Patent number 4,593,905
- Issue date Jun 10, 1986
- Jack Abel
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Method and apparatus for determining tension and pressure
- Patent number 4,590,808
- Issue date May 27, 1986
- Benjamin H. Lightfoot
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
String tension tester
- Patent number 4,309,910
- Issue date Jan 12, 1982
- Frank A. Walker
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Apparatus for measuring the combined resistance to displacement of...
- Patent number 4,116,054
- Issue date Sep 26, 1978
- John G. Howe
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Tennis racquet string tension gauge
- Patent number 4,103,546
- Issue date Aug 1, 1978
- Robert Hickey
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Tension tester for tennis racket strings
- Patent number 4,055,999
- Issue date Nov 1, 1977
- James R. Cope
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
3831442
- Patent number 3,831,442
- Issue date Aug 27, 1974
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
2085883
- Patent number 2,085,883
- Issue date Jul 6, 1937
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
PULLING STRING APPARATUS OF STRINGING MACHINE
- Publication number 20200306598
- Publication date Oct 1, 2020
- Yundou MA
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
TUNABLE TENNIS RACKET APPARATUS
- Publication number 20200030667
- Publication date Jan 30, 2020
- TOBIAS REICHERT
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
METHODS AND APPARATUSES FOR ENHANCING PERFORMANCE IN RACKET SPORTS
- Publication number 20140141907
- Publication date May 22, 2014
- HEAD TECHNOLOGY GMBH
- Ralf SCHWENGER
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
INDIVIDUAL TENSIOMETER FOR MEASURING TENSION IN A STRING
- Publication number 20120312101
- Publication date Dec 13, 2012
- Eric Loreau
- G01 - MEASURING TESTING
Information Patent Application
Methods and apparatuses for enhancing performance in racket sports
- Publication number 20110183787
- Publication date Jul 28, 2011
- Ralf Schwenger
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Devices for determining the string tension of racket strings
- Publication number 20070296207
- Publication date Dec 27, 2007
- Adolf Brunner
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Devices for measuring strings of a racket and ball quality
- Publication number 20070275798
- Publication date Nov 29, 2007
- Adolf Brunner
- A63 - SPORTS GAMES AMUSEMENTS

Devices for measuring the tension of strings

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Device for accurately measuring string bed stiffness in a racket

Pulling string apparatus of stringing machine

Methods and apparatuses for enhancing performance in racket sports

Individual tensiometer for measuring tension in a string

Methods and apparatuses for enhancing performance in racket sports

Devices for measuring strings of a racket and ball quality

Devices for determining the string tension of racket strings

String tension identification device and method

Racket assembly that warns of a fatigued string condition

Tension tester of tennis racquet string

Pitch/tension device

Racquet string actual tension measuring device

Tensiometer

Method and apparatus for mesurement of tension in an elastic surface

Racket stringing tension measuring device

Racquet string tension measuring device

Process and device for measuring the tension of racket strings

Racket string tension tester

Racket-stringing tester

Tennis racket string tension tester

Racket tester

Racquet stringing system with string tension indicating means

Method and apparatus for determining tension and pressure

String tension tester

Apparatus for measuring the combined resistance to displacement of...

Tennis racquet string tension gauge

Tension tester for tennis racket strings

3831442

2085883

Patents Applicationslast 30 patents

PULLING STRING APPARATUS OF STRINGING MACHINE

TUNABLE TENNIS RACKET APPARATUS

METHODS AND APPARATUSES FOR ENHANCING PERFORMANCE IN RACKET SPORTS

INDIVIDUAL TENSIOMETER FOR MEASURING TENSION IN A STRING

Methods and apparatuses for enhancing performance in racket sports

Devices for determining the string tension of racket strings

Devices for measuring strings of a racket and ball quality