| Patents for A63B 51 - Stringing tennis rackets (1,355) |
|---|
| 05/14/2002 | CA2325290A1 Racquet string saver |
| 05/07/2002 | US6383099 Tennis racquet |
| 05/02/2002 | WO2002011824A3 Device and method for measuring rackets |
| 04/04/2002 | US20020039938 String for a racket |
| 03/13/2002 | CN2481365Y Coextruded strings for racket |
| 03/07/2002 | DE10040367A1 Tennis racket has tension frame profiles which are closed on outer side of tension frame profiles facing supporting profiles |
| 02/27/2002 | CN2478629Y Ball-entangling racket |
| 02/14/2002 | WO2002011824A2 Device and method for measuring rackets |
| 02/13/2002 | CN1335190A 球拍 Racket |
| 01/23/2002 | CN1332814A Yarn comprising polytrimethylene terephtharate |
| 01/09/2002 | EP1170406A1 Process for the production of a monofilament and use thereof |
| 01/08/2002 | US6336877 Racket stringing guide recessed on the frame side |
| 01/02/2002 | EP1167594A1 Yarn comprising polytrimethylene terephtharate |
| 12/20/2001 | WO2001095983A1 Interlocking string network for sport rackets |
| 12/05/2001 | CN2462989Y Portable tennis racket stringing device |
| 11/21/2001 | EP1154822A1 Racket for ball games |
| 11/21/2001 | CN2460144Y Racket frame of reducing strings break |
| 11/20/2001 | US6319160 Tennis racket with paired rollers |
| 11/20/2001 | CA2088236C Ball-game racket, particularly a tennis racket |
| 11/15/2001 | WO2001085268A1 Composite synthetic string for tennis racket |
| 11/15/2001 | US20010041632 Interlocking string network for sports rackets |
| 11/14/2001 | EP1153631A2 Gut-clamping mechanism in gut-stretching equipment for tennis rackets |
| 11/08/2001 | US20010037546 Gut-clamping mechanism in gut-stretching equipment for tennis rackets |
| 11/07/2001 | EP1151762A2 Racket having bearings in frame for facilitating movement of racket strings outside plane of string bed |
| 11/07/2001 | CN1074298C Retained rocket string sports racket |
| 10/24/2001 | CN2455293Y 球拍 Racket |
| 10/18/2001 | US20010031676 Racket strung in double diagonal stringing pattern with frame markings and method |
| 10/18/2001 | US20010031675 Fielding practice bat |
| 10/10/2001 | CN2452554Y Improved badminton racket |
| 10/10/2001 | CN1316283A Integral technology for making racket with composition while perforating on it |
| 09/20/2001 | DE10012733A1 Tennis racket has tension frame profiles which are closed on outer side of tension frame profiles facing supporting profiles |
| 09/20/2001 | DE10008581A1 Tennis racquet with sweet spot has sweet spot made visible by optical means in form of target disk, ellipse or other form |
| 09/13/2001 | WO2001066198A1 Tennis racket stringing machine |
| 09/13/2001 | WO2001066197A1 Racquet with visually differentiated grommets and method of stringing thereof |
| 08/28/2001 | US6280355 Racket stringing clamp |
| 08/28/2001 | US6280354 Monolithic string network for sport rackets |
| 07/18/2001 | EP1116502A1 Racket frame and tennis racket encompassing such a frame |
| 07/18/2001 | CN2439295Y Frame of badminton |
| 07/11/2001 | CN2438474Y Device arranged on the rocket for adjusting the tension of the strings |
| 07/11/2001 | CN2438473Y Wide-width element positioning tennis racket strings structure |
| 07/03/2001 | US6254499 Double stringed tennis racquet with grommet insert |
| 06/26/2001 | US6250634 Bounce back sports apparatus |
| 06/20/2001 | EP1108447A1 Sports racket |
| 06/13/2001 | CN2434024Y Cord of racket |
| 06/13/2001 | CN1298749A Racket with improved batting performance |
| 06/13/2001 | CN1298747A Racket with non-continuous edge frame |
| 05/23/2001 | CN2431006Y Stringing machine for tennis racket |
| 05/22/2001 | US6234922 Fielding practice bat |
| 05/08/2001 | US6227990 Electronic racket stringing machine |
| 04/19/2001 | DE4301167C2 Saite für die Bespannung von Ballspielschlägern String for stringing rackets ball game |
| 04/17/2001 | US6217466 Racquet and method of stringing a racquet |
| 03/21/2001 | CN1288083A Modificatin of string made of fluorine polymer used for string sports articles and string of stringed instrument |
| 03/07/2001 | EP1081270A1 Fluoropolymer modification of strings for stringed sports equipment and musical instruments |
| 03/07/2001 | CN1286127A Friction-reducing element for string of racket |
| 02/28/2001 | EP1078655A2 Friction-reducing elements for sports racquet strings |
| 02/14/2001 | EP1075319A1 Reinforced racquet with flat string bed |
| 02/13/2001 | US6186912 Apparatus and method for stringing lacrosse sticks |
| 01/30/2001 | US6179735 Apparatus and method for maintaining differential tensions in the strings of a sporting racket |
| 01/11/2001 | DE19931860A1 String for racquets e.g. tennis racquets, comprises extruded and stretched monofilament based on mixture of thermoplastic polyester and thermoplastic polyester elastomer |
| 12/19/2000 | US6162139 String tensioning device |
| 11/07/2000 | US6142893 Sports racket which reduces variance on players performance |
| 11/02/2000 | EP1048328A2 String tensioning device |
| 10/18/2000 | EP1044041A1 Racket string pattern guide, frame side groove |
| 10/17/2000 | US6132325 Interlocking string network for sport rackets |
| 09/13/2000 | CN2395754Y Tennis racket stringing structure |
| 09/12/2000 | US6117383 Process for producing strings for stringing rackets |
| 08/31/2000 | WO2000050126A1 Racket for ball games |
| 07/27/2000 | WO2000024473A3 Improved stringing of sports rackets and relative method |
| 07/25/2000 | US6093121 Swivel clamp for racket stringing |
| 07/18/2000 | US6089997 Method and apparatus for stringing game racket and the racket so strung |
| 07/06/2000 | WO2000039374A1 Yarn comprising polytrimethylene terephtharate |
| 06/13/2000 | US6074315 Racquet with visually differentiated grommets and method of stringing thereof |
| 05/18/2000 | DE19851918A1 Elastic device for protecting racket strings comprises spring steel, set at intersection of strings to deform and absorb tension |
| 05/17/2000 | CN1052429C Game racket frame and racket |
| 05/16/2000 | US6062994 Reinforced racquet with flat string bed |
| 05/16/2000 | US6062014 String for a racket |
| 05/11/2000 | WO2000025870A1 Racket string pattern guide, frame side groove |
| 05/04/2000 | WO2000024473A2 Improved stringing of sports rackets and relative method |
| 05/04/2000 | WO1999052605A9 Reinforced racquet with flat string bed |
| 05/03/2000 | EP0942775A4 Electronic racket stringing machine |
| 04/18/2000 | US6050909 Game racquet with string slots in inner wall |
| 04/04/2000 | US6045906 Continuous, linearly intermixed fiber tows and composite molded article thereform |
| 03/15/2000 | CN1050307C Games racket |
| 03/07/2000 | US6033324 Vibration damping device for stringed racquets |
| 02/22/2000 | US6027420 Sports racket having a frame with discontinuous boundary |
| 02/22/2000 | US6027419 Method of tensioning the strings in a racquet |
| 02/09/2000 | EP0907389A4 Long string racquets |
| 02/09/2000 | EP0762914A4 Improvements in racquets |
| 01/27/2000 | CA2244033A1 Bounce back sports apparatus |
| 01/04/2000 | US6009699 Composite synthetic string for a tennis racket |
| 11/30/1999 | US5993337 Multi-hole grommet for sports racquets |
| 10/21/1999 | WO1999052605A1 Reinforced racquet with flat string bed |
| 09/22/1999 | EP0942775A1 Electronic racket stringing machine |
| 09/16/1999 | DE19854737A1 Ball game bat, especially tennis racquet, with framed head and handle |
| 09/08/1999 | EP0652986B1 Synthetic string for sporting application |
| 08/10/1999 | US5934679 Bounce back sports apparatus |
| 07/21/1999 | CN2329394Y Improved structure for racket |
| 07/21/1999 | CN1044200C Racket for ball game |
| 07/13/1999 | US5921873 Sports racket with alternatively positionable strings |
| 07/06/1999 | US5919104 Long string racquets, particularly for racquetball |