| Patents for A63B 41 - Hollow inflatable balls (1,849) |
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| 10/28/1997 | US5681233 Inflatable game ball with sponge rubber carcass |
| 10/07/1997 | US5674149 Inflatable game ball |
| 09/23/1997 | US5669838 A fiber reinforced polyurethane backing with a first coated layer of shore a hardness greater than the second coated layer exhibits durability, softness, tackiness, wear resistance and good gripability |
| 08/21/1997 | WO1997029807A1 Sports ball and method of manufacturing it |
| 08/14/1997 | WO1997028849A1 Apparatus and method for exercising |
| 08/14/1997 | DE19703387A1 Inflated games ball |
| 08/13/1997 | CN2259200Y Exercising ball |
| 07/31/1997 | WO1997026950A1 Improvements in and relating to balls |
| 07/22/1997 | US5649701 Sports ball and method of manufacturing of same |
| 07/16/1997 | EP0783350A1 Casing for a ball |
| 07/16/1997 | CN2257734Y Air volleyball |
| 06/25/1997 | CN1152883A Play ball and making method thereof |
| 06/10/1997 | US5636835 Inflatable ball |
| 05/15/1997 | WO1997017109A1 A ball and a method of manufacturing a ball |
| 05/14/1997 | EP0773045A2 Ball cover, in particular for footballs |
| 05/07/1997 | DE19624020C1 Sports ball with rubber elastic bladder |
| 04/16/1997 | CN2252022Y Volleyball |
| 03/27/1997 | DE19535636A1 Sports ball with casing formed from basic shapes |
| 03/20/1997 | DE19534144A1 Hollow sports ball, especially for football |
| 02/05/1997 | EP0756947A2 Method for printing balls with designs visible independently from inside and outside the balls, and balls produced by said method |
| 02/05/1997 | CN2246532Y Lucky balloon |
| 01/30/1997 | WO1997002868A1 Inflatable footballs such as rugby balls |
| 01/28/1997 | US5597432 Method for making balls for sports |
| 12/23/1996 | CA2158817A1 Soccer ball with fiber reinforced polyurethane cover |
| 12/12/1996 | DE19521268A1 Air inflated sports ball |
| 12/03/1996 | US5580049 Soccer ball with fiber reinforced polyurethane cover |
| 11/27/1996 | CN1136784A Sports ball and method of manufacture of same |
| 11/26/1996 | US5577724 Football |
| 11/14/1996 | WO1996035482A1 Improved inflatable ball |
| 11/05/1996 | US5570882 Football training aid |
| 10/19/1996 | CA2173296A1 Football with bladder protective panel |
| 09/12/1996 | WO1996027497A1 Use of a composite for producing sports balls or as shoe upper material |
| 09/12/1996 | DE19508158A1 Verwendung eines Verbundstoffes zur Herstellung von Sportbällen sowie als wasserdichtes und atmungsaktives Schuhobermaterial Use of a composite material for the manufacture of sports balls as well as waterproof and breathable shoe upper |
| 09/12/1996 | CA2214771A1 Use of a composite material to produce sports balls or as shoe upper material |
| 08/29/1996 | DE19506502A1 Ball for sporting purposes esp. football with ball casing and pressure valve |
| 08/28/1996 | CN1129597A A ball for ball game and method for manufacturing the same |
| 08/06/1996 | US5542662 Sports ball and production method thereof |
| 07/10/1996 | EP0720499A1 Sports ball and method of manufacture of same |
| 07/10/1996 | CN1126444A Bladder for use in a sportsball |
| 05/21/1996 | US5518234 Game ball |
| 04/17/1996 | EP0706409A1 Play ball and method of manufacture |
| 04/14/1996 | CA2151781A1 Football with polyurethane cover |
| 04/10/1996 | EP0705624A1 A ball for ball game and method for manufacturing the same |
| 04/04/1996 | WO1996009855A1 Casing for a ball |
| 04/04/1996 | DE4434751A1 Ballhülle Ball cover |
| 04/02/1996 | US5503699 Applying patches from mold cavity surface on ball and impressing patterns |
| 03/21/1996 | DE4433087A1 Hollow body or ball for football, sports, and play |
| 02/27/1996 | US5494625 Molding an inner tube from butyl rubber, then processing outer wall of tube into coarse surface, forming cover panels from ethylene-vinyl acetate through foaming, covering to form blank balls, embossing by heating, then cooling quickly |
| 02/21/1996 | EP0652794B1 Inflatable ball for ball games, in particular football |
| 02/09/1996 | CA2129713A1 Variable weight playball |
| 02/07/1996 | EP0695564A1 Variable weight playball |
| 01/04/1996 | DE4422187A1 Mfr. of hollow ball |
| 01/02/1996 | US5480144 Football with bladder protective panel |
| 12/27/1995 | CN2215930Y Leak-proof device for basketball, volleyball and football |
| 12/16/1995 | CA2125923A1 Medicine ball |
| 12/14/1995 | WO1995033529A1 Play ball and method of manufacture |
| 12/13/1995 | CN2214830Y Device of making foaming inflatable ball |
| 11/28/1995 | US5470060 Football with odd number of panels |
| 11/01/1995 | CN2211297Y Device for blowing up ball |
| 10/31/1995 | US5462273 Variable weight playball |
| 10/25/1995 | CN2210689Y Convenient pinball |
| 09/26/1995 | CA2044723C True spiral football |
| 09/14/1995 | DE4408047A1 Padded envelope for footballs |
| 09/06/1995 | CN2206648Y High-pressure two-purpose air needle |
| 07/11/1995 | US5431393 Raised surface patterns for basketball leather covers |
| 06/27/1995 | US5427372 Applying patches and impressing patterns on ball |
| 05/30/1995 | US5419552 Seamless basketball |
| 05/17/1995 | EP0652794A1 Inflatable ball for ball games, in particular football. |
| 05/09/1995 | US5413331 Soft reboundable amusement ball and outer skin material |
| 04/19/1995 | CN2194740Y Multiple pattern colour non-skid rubber ball |
| 04/11/1995 | US5405469 Method for forming globe map on rubber basketball |
| 04/06/1995 | WO1995009034A1 Sports ball and method of manufacture of same |
| 04/04/1995 | US5403003 Anchor-valve stem assembly for inflatable ball |
| 01/26/1995 | WO1995002536A1 Flabby spherical, ellipsoidal and paraboloidal fabric and material envelopes, in particular for balloons, umbrellas, tents and roof-like structures/objects |
| 01/26/1995 | WO1995002435A1 Hollow body, such as sports ball, made of spiral, flat, elastic curved strips |
| 01/12/1995 | WO1995001209A1 Play ball and method of manufacture |
| 01/12/1995 | CA2166400A1 Play ball and method of manufacture |
| 01/10/1995 | US5380185 Ball for ball game and molding apparatus for forming the same |
| 01/10/1995 | US5380002 Variable-weight play pieces |
| 11/23/1994 | CN2183194Y Ball capable of diplaying internal figure |
| 11/17/1994 | DE4324712C1 Bladder for an inflatable ball |
| 11/10/1994 | WO1994025266A1 Use of a composite material in the manufacture of sports balls and shoe upper material |
| 11/10/1994 | WO1994025117A1 Bladder for use in a sportsball |
| 10/27/1994 | WO1994023805A1 Ball |
| 10/11/1994 | US5354053 Play ball |
| 08/30/1994 | US5342043 Split weight bladder football |
| 08/24/1994 | EP0589021A4 Pump ball pump |
| 08/09/1994 | US5335907 Variable weight playball |
| 07/26/1994 | CA1330857C Process for producing hollow elastic bodies, in particular balls and similar objects, and the balls so produced |
| 06/14/1994 | US5320345 Game ball with transparent cover |
| 05/25/1994 | EP0598542A2 Inflatable sports ball |
| 05/10/1994 | US5310178 Basketball with polyurethane cover |
| 04/26/1994 | US5306002 Seamless basketball |
| 04/26/1994 | US5306001 Game ball |
| 04/20/1994 | EP0592719A1 Ball for ball game |
| 04/19/1994 | US5305031 Sealed case |
| 03/30/1994 | EP0589021A1 Pump ball pump |
| 03/15/1994 | US5294112 Bladder for use in a sportsball |
| 02/23/1994 | EP0583668A1 Method for making balls for sports |
| 02/22/1994 | US5288261 Figurative toy missile |