| Patents for A63B 51 - Stringing tennis rackets (1,355) |
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| 08/05/2009 | EP2083928A1 Buffer layer for strings |
| 07/29/2009 | EP1755748B1 Composite racquet with double tube head frame |
| 07/29/2009 | CN100518864C Bat for ball games and manufacturing method thereof |
| 07/23/2009 | WO2009090951A1 Racket |
| 07/23/2009 | DE102007031240B4 Mehrfachsaite für einen Ballspielschläger Multiple string for a ball game racket |
| 07/07/2009 | US7556575 Dampening device for a ball games racket |
| 07/02/2009 | US20090165243 Grommet tie off (gto) |
| 06/25/2009 | DE102007062238A1 Tennis racket monofilament fibre string has cross-sectional regular array of radial ribs |
| 06/03/2009 | CN101444664A Racket holding device of racket threading machine |
| 05/20/2009 | CN201239487Y Badminton racket |
| 05/13/2009 | CN201235184Y Racket frame with shock absorption function |
| 05/06/2009 | CN201231048Y Tennis racket stringing structure |
| 05/06/2009 | CN201231047Y Tennis racket with ring shake-avoid device |
| 04/16/2009 | DE102007048792A1 Plastic string manufacturing method for e.g. tennis racquet, involves guiding plastic string into rolling device, and plastically deforming plastic string under pressure at temperatures below melting point of string material |
| 04/15/2009 | CN201220073Y Free style tennis racket |
| 04/15/2009 | CN201220071Y Extensible badminton racket with interchangeable net |
| 04/15/2009 | CN201220070Y New racket |
| 04/15/2009 | CN101406739A Racquet stringing machine |
| 04/14/2009 | US7517293 Combination tennis scoring and dampening device |
| 04/02/2009 | DE102007042321A1 Stringing net for enclosing striking head of e.g. table tennis racket, has frame with section formed by pull rope that is connected to strings, where pull rope is formed in flexible manner |
| 04/01/2009 | CN201213999Y Improved tennis racket |
| 03/25/2009 | CN101391140A Racquet stringing machine |
| 03/19/2009 | WO2009033614A1 Stringing net |
| 03/19/2009 | DE102007042322A1 Stringing net for enclosing striking head of e.g. table tennis racket, has frame with section formed by pull rope that is connected to strings, where pull rope is formed in flexible manner |
| 03/19/2009 | DE102007042314A1 Stringing net for enclosing striking head of e.g. table tennis racket, has frame with section formed by pull rope that is connected to strings, where pull rope is formed in flexible manner |
| 03/18/2009 | CN201208488Y Machine station lifting structure of stringing machine for tennis racket |
| 03/11/2009 | EP2033694A1 Height adjusting device for use in string puller of string pulling block of stringing machine |
| 03/11/2009 | EP2033693A1 Height adjusting device for use in string pulling block of stringing machine |
| 02/26/2009 | US20090054179 String clamping device |
| 02/18/2009 | CN101370326A Electric melting knife used for hot-melting knotting of badminton tie |
| 02/11/2009 | CN201192558Y Badminton racket for training |
| 02/04/2009 | CN201189379Y Improved badminton racket |
| 02/04/2009 | CN100457219C Sports racquet with frame openings |
| 02/03/2009 | US7485055 String clamping device |
| 01/28/2009 | EP2018215A1 Ball hitting device, in particular a tennis or squash racquet |
| 01/21/2009 | CN201182871Y Badminton racket |
| 01/21/2009 | CN101347670A Free style tennis racket |
| 01/08/2009 | WO2009003723A1 Multi-string element for a racquet for ball games |
| 01/08/2009 | DE102007031240A1 Mehrfachsaite für einen Ballspielschläger Multiple string for a ball game racket |
| 01/07/2009 | CN101337121A Wire-drawing machine head height adjustment device of racket wiring device |
| 01/07/2009 | CN101337120A Wire-drawing device height adjustment device of wire-drawing device head of racket wiring device |
| 01/02/2009 | DE102007030159A1 Method for manufacturing structured polyester monofilaments for use in strings for ball games racket, and for producing technical fabrics or knitted fabrics involves adding polypropylene |
| 12/24/2008 | DE202008012808U1 Saiten für Musikinstrumente und Tennisschläger Strings for musical instruments and tennis rackets |
| 12/24/2008 | CN201168392Y Shock-absorbing racket |
| 12/23/2008 | US7468011 Work table apparatus for a stringing machine for tennis rackets |
| 12/17/2008 | CN201164695Y Shock-proof structure of tennis racket |
| 12/17/2008 | CN201164694Y Racket |
| 11/25/2008 | US7455604 Height adjusting device for use in string pulling block of stringing machine |
| 11/19/2008 | CN201150762Y New type sweat absorbing badminton racket |
| 11/19/2008 | CN201150761Y Racket structure with energy |
| 11/19/2008 | CN101306240A Method for mounting racket line on racket |
| 11/11/2008 | US7448970 Height adjusting device for use in string puller of string pulling block of stringing machine |
| 11/05/2008 | CN201143367Y Wire-drawing head of racket threading machine |
| 11/05/2008 | CN201143366Y Racket string adjustor |
| 10/30/2008 | WO2008131366A1 Dampening system for a stringed-racquet |
| 10/21/2008 | US7438654 Structure of toy tennis racket |
| 10/16/2008 | WO2008122141A1 Product for roughening the strings of tennis, badminton and squash rackets and for keeping them rough and method for producing said product |
| 10/16/2008 | US20080254924 Racquet stringing machine |
| 10/16/2008 | US20080254923 Racquet stringing machine |
| 10/16/2008 | US20080254922 Racquet stringing machine |
| 10/16/2008 | DE202008009302U1 Sportschlägersaite mit hohlem Mittelkern Sports racket string with a hollow central core |
| 10/15/2008 | EP1980300A1 Racquet stringing machine |
| 10/15/2008 | EP1980299A1 Racquet stringing machine |
| 10/15/2008 | EP1980298A2 Racquet stringing machine |
| 10/08/2008 | CN201127822Y Wire extender structure of improved stringing machine for tennis racket |
| 10/02/2008 | US20080242454 Height Adjusting Device for Use in String Puller of String Pulling Block of Stringing Machine |
| 10/01/2008 | CN201123988Y New racket case |
| 09/25/2008 | DE102007059954A1 Racquet, e.g. tennis racquet, with a frame and strings forming a hitting surface comprises an additional hitting surface |
| 09/24/2008 | CN201120092Y Stay wire head of new racket threading machine |
| 09/04/2008 | WO2008106426A1 Lubricant enhanced nanocomposites |
| 09/04/2008 | US20080214337 Work table apparatus for a stringing machine for tennis rackets |
| 08/21/2008 | WO2008061229A9 Buffer layer for strings |
| 08/13/2008 | CN201098508Y Net twine fastener concealed badminton racket |
| 07/17/2008 | WO2008083841A1 Use of synthetically produced spider silk |
| 07/17/2008 | DE102007002222A1 Verwendung von künstlich hergestellter Spinnenseide Use of artificially produced spider silk |
| 07/10/2008 | WO2008062237A3 One-string shock absorber for string rackets |
| 07/10/2008 | US20080167147 Height Adjusting Device for Use in String Pulling Block of Stringing Machine |
| 07/08/2008 | US7396303 Sports racquet with insert members for anchoring strings |
| 06/25/2008 | CN101205649A Racket thread extrusion forming manufacture method and product thereof |
| 06/18/2008 | CN101199892A A method for manufacturing a racquet frame for a sports racquet and a racquet frame thereof |
| 06/18/2008 | CN101199891A Racket |
| 06/12/2008 | WO2008068714A1 A racquet |
| 05/29/2008 | WO2008062237A2 One-string shock absorber for string rackets |
| 05/22/2008 | WO2008061229A1 Buffer layer for strings |
| 05/14/2008 | CN201058210Y Frame structure of racket and mold thereof |
| 05/13/2008 | US7371197 Safety racket |
| 05/07/2008 | CN201055646Y Tennis and badminton racket string dressing comb |
| 04/24/2008 | WO2007138541A3 Racquet stringing apparatus |
| 04/24/2008 | US20080096701 Strings of sport rackets and method for making the same |
| 04/23/2008 | CN201049180Y Safety racket |
| 03/27/2008 | DE202007016352U1 Ballspielschläger, insbesondere Tennisschläger Racket, especially tennis racket |
| 03/26/2008 | CN101147833A Recreation weakened racket |
| 03/19/2008 | CN201036675Y Improved structure of tennis racket |
| 03/12/2008 | CN101138672A Flexible racket for body-building and entertainment |
| 03/06/2008 | US20080058131 Sports racquet with insert members for anchoring strings |
| 02/27/2008 | CN101130138A Fibril of racket thread, racket using the fibril and method of manufacturing the same |
| 02/21/2008 | DE102006038460A1 Sport equipment particularly squash rackets and badminton rackets, has grip and head arranged at grip, where head has frame, which encloses striking surface in sections and is arranged in striking surface of covering |
| 01/23/2008 | CN201008722Y 88-string hole badminton racket |
| 01/09/2008 | CN101099890A Devices for measuring strings of a racket and ball quality |
| 01/02/2008 | CN200998565Y Stay wire device for the stringing machine for tennis racket |