| Patents for A63B 51 - Stringing tennis rackets (1,355) |
|---|
| 08/15/1995 | US5441258 Racket string alignment tool |
| 08/09/1995 | CN2204621Y Repairing tool for tennis or badminton rackets |
| 07/27/1995 | WO1995019816A1 Process and device for aligning interwoven strings of a racket |
| 07/13/1995 | WO1995018654A1 Device for stringing a tennis racquet or the like |
| 06/22/1995 | WO1995016563A1 Process for enhancing string properties |
| 06/14/1995 | DE19502951A1 Frame esp. tennis racquet frame with strings |
| 06/13/1995 | US5423532 Double-strung game racquet and method for stringing |
| 06/08/1995 | DE4401445C1 Alignment device for racket strings |
| 06/01/1995 | DE4441807A1 Racket stringing machine |
| 05/30/1995 | US5419963 String having different modulus of elasticity for stringing a racket for ball games |
| 05/17/1995 | EP0652986A1 Synthetic string for sporting application |
| 05/04/1995 | WO1995011728A1 Racquet stringing machine |
| 04/25/1995 | US5409215 Shock-absorbing metal game racket |
| 04/20/1995 | DE4433716A1 Tennis racket stringing |
| 04/18/1995 | US5406827 Pitch/tension device |
| 04/05/1995 | EP0466823B1 Racket with elastic string guide |
| 03/15/1995 | EP0589906B1 Tennis, squash or other racquet |
| 02/22/1995 | CN2189951Y Racket with improved string structure |
| 02/16/1995 | DE4327329A1 String strand or string for stringing a racquet for ball games |
| 02/16/1995 | DE4322453C1 Strung racquet |
| 02/15/1995 | EP0638339A1 Racket string and stringed rackets using the same |
| 02/09/1995 | WO1995003856A1 Racket having outer circumferential recess |
| 01/25/1995 | CN1097639A Retained rocker string sports racket |
| 01/24/1995 | US5383662 Racket with improved strings pattern |
| 12/27/1994 | US5376412 Forming thread from discontinuous fibers with specified properties, impregnating with resin, coating with synthetic material to form sheath, crosslinking, adjusting thickness |
| 12/20/1994 | US5374058 Tennis racquet |
| 12/14/1994 | EP0628326A1 Ridged racket string |
| 12/14/1994 | CN2185142Y Stringing machine for racket |
| 11/24/1994 | WO1994026361A1 Racket having very large string holes |
| 09/29/1994 | WO1994021332A1 Sports racket string |
| 09/14/1994 | EP0614685A1 Tennis racket with longitudinal strings different in tensile force from transversal strings |
| 09/14/1994 | EP0560788B1 Raquet-string adjustment device |
| 09/13/1994 | US5346212 Racket for ball games and string portion or string therefor |
| 09/13/1994 | US5346211 Game racket |
| 09/06/1994 | CA2044229C String vibration dampener for a tennis racquet |
| 09/01/1994 | DE4305829A1 String and method for producing such a string |
| 08/30/1994 | US5342045 Reverse sunburst string pattern for racquetball rackets |
| 08/30/1994 | US5342044 Game racket |
| 08/16/1994 | US5338028 Racket stringing apparatus |
| 07/26/1994 | US5332213 Ball-game racket, particularly a tennis racket |
| 07/21/1994 | DE4301167A1 Racket frame retaining elasticity for a long period |
| 07/12/1994 | US5327714 Synthetic string for sporting application |
| 07/05/1994 | US5326097 Racket for play and sports |
| 06/23/1994 | WO1994013366A1 Double strung tennis racquet |
| 06/22/1994 | EP0602545A1 String or string segment for rackets |
| 06/21/1994 | US5322279 Double strung tennis racquet |
| 06/14/1994 | CA1330220C Sports racket |
| 05/26/1994 | WO1994011064A1 Hybrid stringing arrangement of main and cross strings with enhanced performance characteristics for use in a sports racket |
| 05/25/1994 | EP0598482A2 Racquet string aligner |
| 05/18/1994 | CN2164871Y Tennis racket nail |
| 05/10/1994 | US5310182 String adjustment device for ball rackets, for example tennis rackets |
| 05/10/1994 | US5310181 Racquet string aligner |
| 05/10/1994 | US5310179 Tennis racket |
| 05/10/1994 | CA1329430C Electronic athletic equipment |
| 04/26/1994 | US5306005 Tennis racket |
| 04/19/1994 | US5303918 Game racket having innovative stringed surface |
| 04/14/1994 | WO1993013832A3 Process and device for determining tensile forces when stringing rackets |
| 04/06/1994 | CN1084779A Racket with new type screen |
| 04/05/1994 | US5299462 Racquet string actual tension measuring device |
| 03/30/1994 | EP0589010A1 Process for producing a ready-to-use string for racquets, especially tennis racquets. |
| 03/15/1994 | US5294116 String tensioning system for ball racket |
| 03/15/1994 | US5294114 Game paddle and combination |
| 03/09/1994 | CN2158287Y 羽球拍 Badminton racket |
| 03/03/1994 | DE4319185A1 Double-headed tennis racquet - has wide or reinforced frame and has holes for two sets of strings on back and front. |
| 03/03/1994 | DE4228165A1 Racquet for tennis or similar sport - has prefab. replacement set of strings with screw threading incorporated in frame, with screw sleeves |
| 03/01/1994 | US5290031 String protector for a racket frame |
| 02/17/1994 | WO1994003666A1 Synthetic string for sporting application |
| 02/17/1994 | DE4225473C1 Equipment for tensioning racquet frames - has string fed into holes in frame by feed device and through channels of forced guide device inside frame pushed through to opposing string |
| 01/12/1994 | CN2152576Y Health racket |
| 01/11/1994 | US5277422 Games racket frame |
| 01/05/1994 | EP0576654A1 Process and device for determining tensile forces when stringing rackets |
| 01/05/1994 | CN2151782Y Bracket frame |
| 01/05/1994 | CN2151781Y Bracket without string hole |
| 12/29/1993 | CN2150896Y Aid for stringing badminton racket |
| 12/14/1993 | US5269515 Machine for stringing game racket |
| 12/02/1993 | DE4217975A1 Tennis, squash, badminton or other racquet with frame - has strings closer together in centre, and wider apart at edge. |
| 11/17/1993 | CN2146275Y Plastic strings badminton racket |
| 11/10/1993 | CN1078164A Racket for ball games and string portion or string therefor |
| 11/10/1993 | CN1078163A Multi-function flexible health-care racket |
| 11/03/1993 | CN2145053Y Improved trings component of tennis racket |
| 11/02/1993 | US5257781 Retained rocker string sports racket |
| 10/28/1993 | WO1993020903A1 Process for producing a ready-to-use string for racquets, especially tennis racquets |
| 10/26/1993 | US5255912 Arrangement of stringing holes in the yoke of a racket |
| 10/19/1993 | US5253874 Adhesive filament and membrane racquet |
| 10/14/1993 | DE4211837A1 Stringing device with pref. for squash or tennis racquet - measures and displays deflection of tensioning arm under torque exerted by slidable mass shifted into selected position using strain gauge bridge. |
| 10/05/1993 | US5249798 Tennis racket frame |
| 09/30/1993 | DE4209419A1 Racquet for tennis, squash, badminton or other games - has bridge piece in which are four rows of staggered eyelet holes through which strings are threaded |
| 09/29/1993 | CN1076634A Games racket |
| 09/22/1993 | EP0560788A1 Raquet-string adjustment device. |
| 09/16/1993 | DE4307154A1 Racquet, esp. tennis racquet |
| 09/16/1993 | DE4225474C1 String inserter for tennis, squash or badminton racquet frame holes - involves support and guide units, support unit being formed as roller or belt component |
| 09/16/1993 | DE4225472C1 Tensioner for ball game racquet frame - comprises two flat bodies arranged above and beneath plane of racquet frame with system of grooves on facing surfaces |
| 09/15/1993 | EP0560015A1 String or string length-section for racquets |
| 09/15/1993 | CN1076130A Threading method regulating string tension of racket |
| 09/08/1993 | CN2141725Y Sound racket structure |
| 08/11/1993 | CN1075096A Making method of long fibres of badminton racket |
| 08/04/1993 | EP0553769A1 Racket, particularly tennis racket |
| 07/22/1993 | DE4201144A1 Verfahren und vorrichtung zur bestimmung der zugkraefte zum besaiten von schlaegern Method and device for determination of the tensile forces to the string of schla egern |
| 07/21/1993 | EP0440682B1 Process and device for stringing rackets for ball games |
| 07/18/1993 | WO1993013832A2 Process and device for determining tensile forces when stringing rackets |