| Patents for A63B 41 - Hollow inflatable balls (1,849) |
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| 04/05/2000 | CN1249203A Method for making article with expanded soft mask, and article |
| 03/29/2000 | CN2370910Y Flash ball |
| 03/21/2000 | US6039662 Inflatable stitched sports ball and method of making same |
| 03/15/2000 | EP0985516A2 Method of manufacturing products made of foam filled flexible envelops and product made of a foam filled flexible envelop |
| 03/02/2000 | WO2000010648A1 Abdominal/lowback isolation apparatus |
| 02/24/2000 | WO2000009218A1 Ball, composed of two types of flat equilateral parts |
| 02/15/2000 | US6024661 Sweat-absorbing game ball |
| 02/09/2000 | CN2362531Y Structure improved sports ball |
| 02/08/2000 | US6022283 Inflatable ball |
| 02/02/2000 | CN2361330Y 'Pili' ball |
| 02/02/2000 | CN1243447A Football, e. g. for rugby |
| 01/29/2000 | CA2244295A1 Improved ball structure |
| 01/26/2000 | CN2360120Y Ball for sports |
| 01/12/2000 | CN1241144A Ball for ball game |
| 01/05/2000 | CN2356711Y 篮球 Basketball |
| 01/05/2000 | CN2356710Y Improvement of ball structure |
| 12/29/1999 | CN1047735C Bladder for use in sportsball |
| 12/08/1999 | CN2352214Y Inflating tube for blowing up plastic pillow |
| 12/07/1999 | US5997422 Waterproof game ball |
| 12/02/1999 | WO1999061114A1 Ball game ball |
| 11/16/1999 | US5984812 Grippable surface for throwable object |
| 11/10/1999 | CN1234746A Football teaching aid |
| 11/03/1999 | EP0952876A1 Football, e.g. for rugby |
| 10/19/1999 | US5967917 Medallion gameball |
| 10/13/1999 | CN2342843Y Bladder of ball |
| 10/06/1999 | EP0946230A1 A football teaching aid |
| 10/05/1999 | US5961407 Football with odd number of panels |
| 09/15/1999 | EP0941749A1 Ball for game |
| 09/14/1999 | US5951075 Ball retrieving apparatus |
| 09/08/1999 | CN2336828Y Ball for three-goal ball sporting games |
| 08/24/1999 | US5941785 Football |
| 08/19/1999 | WO1999040976A1 Rack exercise system and method |
| 08/04/1999 | CN2331387Y Rubber basket ball |
| 08/03/1999 | US5931752 Inflatable game ball with laid-in channel or logo |
| 07/29/1999 | DE19802812A1 Cover for oval ball, especially ball for playing rugby or American football |
| 07/28/1999 | EP0813474B1 Composite for producing sports balls or shoes |
| 07/21/1999 | CN2329393Y Improved structure ball |
| 07/20/1999 | US5924943 Adjustably weighted shuttlecock |
| 07/07/1999 | CN2327413Y Anti-slippery basket ball |
| 07/07/1999 | CN2327412Y Heavy ball |
| 07/07/1999 | CN2327411Y Medicinal ball for health |
| 07/01/1999 | WO1998016279A8 A football teaching aid |
| 06/24/1999 | WO1999030782A1 Method for making a hollow envelope for positioning an object in a point of its internal volume and resulting bladder |
| 04/14/1999 | CN2313630Y 绒毛足球 Fluff football |
| 04/01/1999 | WO1999015242A1 Ball for game |
| 04/01/1999 | WO1999015241A1 Ball for ball game |
| 03/30/1999 | US5888157 Football |
| 03/24/1999 | CN1211932A Improved ball |
| 03/11/1999 | DE19738906A1 Sectored elastic bladder for ball |
| 03/11/1999 | DE19738892A1 Covering for a sewn segmented ball casing |
| 03/11/1999 | DE19738891A1 Covering for a sewn segmented ball casing |
| 03/10/1999 | CN2309863Y Convenient Taiji health care ball |
| 03/02/1999 | US5875810 Inflator |
| 02/04/1999 | DE19732824A1 Football |
| 02/03/1999 | EP0894514A2 Football |
| 02/02/1999 | US5865697 Sports ball with improved feel |
| 01/20/1999 | CN2304439Y Sport ball |
| 12/23/1998 | EP0885636A1 System for simplifying the production of semi-regular polyhedrons (soccer balls) |
| 12/23/1998 | CN1202381A Square ball |
| 12/22/1998 | US5851161 Grippable surface for throwable objects |
| 12/16/1998 | CN1202118A Ball and manufacture thereof |
| 11/30/1998 | CA2238593A1 Inflating valve |
| 11/18/1998 | CN2297218Y Illuminating structure of ball |
| 11/11/1998 | EP0876182A1 Improvements in and relating to balls |
| 11/10/1998 | US5833587 Apparatus and method for exercising |
| 10/21/1998 | CN1196270A Inflatable balloon with pressure digit displayer |
| 10/13/1998 | US5820501 Ball envelope |
| 10/07/1998 | CN1194874A Sports ball and making method thereof |
| 09/24/1998 | CA2216501A1 Sports ball with improved feel |
| 09/22/1998 | US5810700 Exercise ball with stretchable straps |
| 09/02/1998 | EP0861108A1 A ball and a method of manufacturing a ball |
| 08/19/1998 | CN2287982Y 球体 Sphere |
| 07/29/1998 | EP0855199A2 Non-burstable ball for psychomotor exercises and relative method of production |
| 07/29/1998 | CN1189106A Inflatable footballs such as rugby balls |
| 07/22/1998 | EP0783350B1 Casing for a ball |
| 07/16/1998 | WO1998030289A1 Football, e.g. for rugby |
| 07/14/1998 | US5779578 Presentation football construction |
| 07/14/1998 | CA2138060C Sports ball and production method thereof |
| 06/30/1998 | US5772545 Sportsball and manufacturing method thereof |
| 06/17/1998 | EP0720499B1 Sports ball and method of manufacture of same |
| 06/03/1998 | CN2282903Y 布球 Cloth ball |
| 06/02/1998 | US5759123 Sewing rubber american football and manufacturing method therof |
| 05/27/1998 | CN1183054A Apparatus and method for exercising |
| 05/19/1998 | US5752890 Ball for ball game and method for manufacturing the same |
| 05/06/1998 | EP0706409A4 Play ball and method of manufacture |
| 05/06/1998 | CN1180577A Body-building light volleyball |
| 04/29/1998 | EP0837719A1 Inflatable footballs such as rugby balls |
| 04/23/1998 | WO1998016279A1 A football teaching aid |
| 04/15/1998 | CN2278505Y 轻质健身球 Lightweight fitness ball |
| 04/08/1998 | CN2277800Y Basketball with intermediate tube foaming layer |
| 04/07/1998 | US5735761 Sports ball with a plurality of surface dimples for reducing the effective diameter of ball |
| 03/12/1998 | WO1998009688A1 Apparatus for picking up, transporting, and storing balls |
| 01/29/1998 | DE19629727A1 Casing for ball, especially football |
| 01/20/1998 | US5709623 Ball casing, in particular a soccer ball casing |
| 01/20/1998 | US5709622 Football with odd number of panels |
| 12/29/1997 | EP0813474A1 Use of a composite for producing sports balls or as shoe upper material |
| 11/27/1997 | DE19704778A1 Sports ball with rubber elastic bladder |
| 11/25/1997 | US5690597 Martial arts exercise apparatus |
| 11/25/1997 | CA2123165C Seamless basketball |
| 11/20/1997 | DE19619796A1 Ball casing comprising stitched segments such as for football |