| Patents for A63B 51 - Stringing tennis rackets (1,355) |
|---|
| 06/17/1999 | DE19816389A1 Training racquet with sweet spot detection |
| 06/01/1999 | US5908362 Tensioning device for stringing sports racquets having a string guide for maintaining constant string line of action to string gripper |
| 04/29/1999 | DE19744780A1 String for sports racquet with basic body and lubricant store |
| 04/14/1999 | EP0907389A1 Long string racquets |
| 02/17/1999 | EP0802858A4 Process for enhancing string properties |
| 02/16/1999 | US5871409 Vibration absorbing device for the strings or frame of a racket |
| 01/27/1999 | EP0893232A1 Method and apparatus for producing filaments for stringing rackets for ball games |
| 01/14/1999 | WO1999001185A1 Racket mounting assembly for stringing machine |
| 01/12/1999 | CA2106623C Racquet string aligner |
| 12/16/1998 | EP0884074A2 Game racquet with string slots in inner wall |
| 12/08/1998 | US5846146 Device for repairing or replacing a broken string on a racket |
| 10/21/1998 | CN2294755Y Improved clamping mechanism of racket threading machine |
| 10/20/1998 | US5823900 Process and device for bringing into alignment the strings of an interlaced network |
| 10/20/1998 | US5823899 Games racket frame |
| 10/13/1998 | US5820500 Non-rotating racquet and stringing machine and method |
| 10/06/1998 | US5816960 Handle and grip for sports rackets |
| 10/06/1998 | US5816959 Method for making game racket |
| 08/26/1998 | EP0673272B1 Double strung sports racquet |
| 08/26/1998 | CN1191148A Filament for racket |
| 08/04/1998 | CA2127324C Sport racket with string stabilization and friction coating |
| 07/14/1998 | US5779573 Game Racket |
| 06/11/1998 | CA2224314A1 A device for repairing or replacing a broken string on a racket |
| 06/02/1998 | US5759122 Racket for a ball catching game |
| 05/27/1998 | EP0843581A1 Non-rotating stringing machine and method |
| 05/20/1998 | CN1181983A Games racket frame |
| 05/06/1998 | EP0530193B1 Device for monitoring raquet stringing |
| 04/28/1998 | US5743822 Double stringed tennis racquet |
| 04/16/1998 | WO1998015323A1 Electronic racket stringing machine |
| 04/09/1998 | DE19638908C1 Racquet string |
| 04/08/1998 | EP0833979A1 Coating agent for stringed rackets |
| 04/08/1998 | CN1178125A Vibration reducing tennis racket |
| 04/07/1998 | US5735759 Game racket |
| 03/31/1998 | US5733212 Electronic racket stringing machine |
| 02/26/1998 | WO1998007475A1 Racket string comb |
| 02/24/1998 | US5720680 Stringed racket tensioning mechanism |
| 02/03/1998 | USH1710 Tennis racquets |
| 01/29/1998 | DE19713437A1 Device for aligning and holding tensioned strings of sports racket |
| 01/13/1998 | US5707306 Tennis racket stringing pattern and method therefor |
| 12/30/1997 | US5702313 Game racket with primary and secondary yokes |
| 12/24/1997 | WO1997048456A1 Universal stringing machine for sports rackets |
| 11/12/1997 | CN1164432A String for rocket and its making method |
| 11/06/1997 | WO1997040894A1 Long string racquets |
| 11/05/1997 | CN2266434Y Tennis racket with shock absorbing feather |
| 10/30/1997 | WO1997040228A1 Coating agent for stringed rackets |
| 10/29/1997 | EP0802858A1 Process for enhancing string properties |
| 10/23/1997 | WO1997038760A1 Device for aligning and holding the strings of a strung racquet |
| 10/23/1997 | DE19615945A1 Spray for strings in tennis, badminton or squash rackets |
| 10/14/1997 | US5675872 Jamming cleat |
| 09/16/1997 | US5667216 Game racket assembly |
| 09/03/1997 | CN2261274Y Repairing device for racket |
| 08/13/1997 | EP0788817A2 Sports racket with odd number of longitudinal strings |
| 08/12/1997 | US5655980 Vibration damping device for sporting implements |
| 08/06/1997 | EP0742731B1 Process and device for aligning interwoven strings of a racket |
| 08/05/1997 | US5653441 For aligning the strings of a racket |
| 07/29/1997 | US5651545 Vibration damping device for stringed racquets |
| 07/03/1997 | DE19608995C1 Measurement of tension in strings of tennis, squash or badminton racket |
| 07/02/1997 | CN1153480A Sports racket having power ring |
| 06/17/1997 | US5639086 Universal stringing machine for sports racquets |
| 06/04/1997 | EP0429533B1 Sports racket |
| 05/07/1997 | EP0771224A1 Sports racket having power ring |
| 03/19/1997 | EP0762914A1 Improvements in racquets |
| 02/11/1997 | US5601762 Method for enhancing the properties of a string used in a stringing device |
| 01/07/1997 | US5590877 Racket string bracing apparatus |
| 12/18/1996 | CN1138145A Jamming cleat |
| 12/11/1996 | EP0747097A1 Vibration damping device for stringed racquets |
| 11/27/1996 | EP0744193A2 Tennis racquet |
| 11/20/1996 | EP0742731A1 Process and device for aligning interwoven strings of a racket |
| 11/14/1996 | WO1996035483A1 Sports racket having power ring |
| 11/14/1996 | CA2194896A1 Sports racket having power ring |
| 11/05/1996 | US5570883 Sport racket with string stabilization and friction coating |
| 10/31/1996 | DE19515100A1 String for tennis racquets |
| 10/29/1996 | US5568921 Racquet stringing machine |
| 10/24/1996 | DE19521517C1 String tensioning device for racket re-stringing |
| 10/10/1996 | DE19512453A1 Self-clamping angle lever cam for stationary traction mechanism |
| 10/08/1996 | US5562283 Sports racquet having power ring |
| 10/02/1996 | CN1132103A Threading method for racket and its products |
| 09/12/1996 | DE19507991A1 Resiliently flexible sports racket frame |
| 09/03/1996 | US5551689 String suspension and frame construction for sports rackets |
| 08/28/1996 | CN1129598A A racket frame and a method for producing the same |
| 08/21/1996 | EP0727244A1 Racket with a string tensioning device |
| 07/16/1996 | US5536005 Means for racket to return strings to original position after ball impact |
| 05/14/1996 | US5516100 FRP racket frame and a method for producing the same |
| 02/22/1996 | WO1996004965A1 Racket string alignment tool |
| 01/10/1996 | EP0691141A1 Gut strings for tennis rackets |
| 01/09/1996 | US5481926 Tension tester of tennis racquet string |
| 12/26/1995 | US5478072 Racket string and stringed rackets using the same |
| 11/30/1995 | WO1995032030A1 Improvements in racquets |
| 11/28/1995 | US5470066 String fixer in sports racket |
| 11/21/1995 | US5467982 Tennis racket |
| 11/09/1995 | WO1995029740A1 Non-rotating stringing machine and method |
| 11/09/1995 | CA2189259A1 Non-rotating stringing machine and method |
| 11/02/1995 | EP0589010B1 Process for producing a ready-to-use string for racquets, especially tennis racquets |
| 10/31/1995 | US5462274 Tennis racket with longitudinal strings different in tensile force from transversal strings |
| 10/17/1995 | US5458331 Game racket with adjustable string suspension system |
| 10/03/1995 | US5454525 Process for producing a ready-to-use racquet string, especially for tennis racquets |
| 09/28/1995 | DE4410318A1 Measuring tension in strings of tennis, squash and badminton racquets |
| 09/27/1995 | EP0673272A1 Double strung tennis racquet |
| 09/20/1995 | EP0652986A4 Synthetic string for sporting application. |
| 08/22/1995 | US5443575 Racquet stringing |
| 08/16/1995 | CN2205220Y 球拍 Racket |