| Patents for A63B 41 - Hollow inflatable balls (1,849) |
|---|
| 02/22/1994 | US5287561 Convertible fabric hat and package therefor |
| 02/17/1994 | WO1994003239A1 Inflatable ball for ball games, in particular football |
| 02/15/1994 | US5286020 Medicine ball |
| 12/22/1993 | CN2149935Y Basketball with raised grain on cover |
| 12/15/1993 | CN2149226Y Back-stop type needle for inflating balls |
| 11/16/1993 | US5261661 Training football |
| 11/10/1993 | CN1078162A Gas filled ball with villose surface and manufacture of same |
| 09/30/1993 | WO1993018826A1 Pump ball pump |
| 09/30/1993 | CA2113904A1 Pump ball |
| 08/24/1993 | US5238244 Pump ball |
| 08/11/1993 | CN2139897Y Combined technological foot-ball with adjustable picture |
| 07/06/1993 | US5224704 Game ball |
| 06/02/1993 | CN2134876Y 通用型气针 Universal gas needle |
| 05/05/1993 | CN2131562Y Ball apparatus |
| 04/20/1993 | CA1316558C Inflatable play ball |
| 02/17/1993 | CN2127023Y Jumping ball |
| 01/26/1993 | US5181717 Inflated sports ball |
| 01/07/1993 | DE4221104A1 Psychomotor exercise ball - comprises one-piece inflated and stabilised body with insertion hole for auxiliary balls and stopper |
| 01/06/1993 | CN2126510Y Dual-purpose airing pin |
| 12/09/1992 | CN2124040U Resilient inflated ball doll |
| 11/25/1992 | CN2122659U Valve of ball |
| 11/24/1992 | US5165685 Game ball |
| 11/04/1992 | CN2120600U Nap air balloon |
| 10/27/1992 | US5158284 Game ball construction |
| 09/22/1992 | US5148712 Ball deflator |
| 09/09/1992 | CN2115131U Ping-pong ball with thread |
| 08/19/1992 | CN2113080U Extra soft novel structure of football and volleyball covers |
| 08/18/1992 | US5138721 Pneumatic bolster |
| 08/06/1992 | DE4102759A1 Inflatable game-ball with inflator-tube - consists of outer fabric, and inner rubbery-elastic casing with flat sides to inflator tube |
| 08/04/1992 | US5135222 Multi-mode playball |
| 05/27/1992 | CN2105315U Inflation ball |
| 05/08/1992 | CA2040255A1 Method of making water-repellent leather game ball |
| 03/24/1992 | US5098097 Football |
| 03/24/1992 | US5098095 Pump ball |
| 03/17/1992 | US5096756 Composite bladder for game balls |
| 12/25/1991 | CN1057205A Health-keeping ball |
| 12/03/1991 | US5069935 Method of making water-repellent leather game ball |
| 11/20/1991 | CN2089106U Convenuent air valve |
| 10/03/1991 | CA2039554A1 Composite bladder for game balls |
| 08/20/1991 | US5040795 Used to play in wet or damp conditions |
| 08/20/1991 | US5040793 Plastic air-filled ball |
| 07/30/1991 | US5035426 Pneumatic play ball |
| 07/17/1991 | CN2080855U Basketball for children |
| 07/03/1991 | CN2079975U Bladder changeable football, volleyball |
| 05/01/1991 | CN1012466B Ball used in ball game |
| 03/12/1991 | US4998728 Soft tip football |
| 02/12/1991 | US4991842 Grip enhanced basketball |
| 12/06/1990 | DE3918038A1 Plastic football bladder - with intersecting stabilising cross-walls with cut=outs |
| 12/05/1990 | EP0400320A1 Visually enhanced football |
| 11/30/1990 | CA2014750A1 Visually enhanced football |
| 11/28/1990 | CN2066341U Beating kicking ball set |
| 09/11/1990 | US4956234 Inflatable, rotomolding |
| 09/05/1990 | EP0385872A2 Sport or leisure balls comprising an external foam layer with an integral skin, and production thereof |
| 08/22/1990 | EP0383714A1 Process of manufacturing balls and balls obtained from this process |
| 05/29/1990 | US4928962 Grip enhanced football |
| 04/25/1990 | EP0365488A1 Process for producing hollow elastic bodies, in particular balls and similar objects, and the balls so produced |
| 04/17/1990 | US4917382 Inflatable toy article |
| 04/17/1990 | US4917381 Variable weight play ball |
| 03/20/1990 | CA1266871A1 Inflatable padded game ball and method of making same |
| 01/31/1990 | CN1006599B Ball used in ballo game |
| 12/20/1989 | EP0347160A1 Inflatable play ball |
| 11/15/1989 | CN1037089A Springing ball |
| 11/01/1989 | CN1036704A Ball used in ball game |
| 10/10/1989 | US4872678 Pressurizable game ball |
| 09/26/1989 | US4869504 Football and lacing for footballs |
| 09/26/1989 | CA1260980A1 Triangular pebble design for basketballs |
| 09/20/1989 | EP0333529A1 Composition for coating the external surfaces of sport balls, and balls coated therewith |
| 09/19/1989 | US4867452 Visually enhanced football |
| 09/06/1989 | CN2043888U Improved ball |
| 08/15/1989 | US4856781 Game ball |
| 07/04/1989 | US4844478 Racket game for beach and kit therefor |
| 05/30/1989 | US4834382 Inflatable play ball |
| 05/16/1989 | US4830373 Soccer ball |
| 04/26/1989 | CN2036423U Hand-sewn ball made of pigskin |
| 01/11/1989 | CN2030493U 桌网球 Table Tennis |
| 01/05/1989 | DE3726782A1 Device for the pneumatic renovation of tennis balls |
| 01/05/1989 | DE3726781A1 Device for the pneumatic renovation of tennis balls |
| 12/22/1988 | DE3726830C1 Ball cover, especially for footballs |
| 11/01/1988 | US4781645 Inflatable bag with inner and intermediate containers and gas generation substances within inner container |
| 10/26/1988 | CN87102684A Hydrogen inflated plastic products |
| 10/20/1988 | DE3249882C2 Device for improving the playing behaviour of hollow balls |
| 10/19/1988 | CN88212335U Inflating needle for ball |
| 09/28/1988 | EP0283756A1 Apparatus for the play characteristics of hollow balls |
| 09/15/1988 | DE3729052C1 Lip valve for footballs or the like |
| 09/14/1988 | CN88100450A Foaming polyvinyl chloride air filling balls |
| 08/18/1988 | DE3703225A1 Ball, especially football |
| 08/03/1988 | EP0277001A2 Foamed PVC pneumatic ball |
| 04/27/1988 | CN87206859U Convertible ball bladder air inlet |
| 04/12/1988 | US4736948 Football |
| 03/15/1988 | US4730646 Method for controlling proper inflation of athletic balls |
| 12/22/1987 | US4714098 Ball inflation apparatus |
| 07/29/1987 | CN87100181A Ball used in ball game |
| 06/19/1987 | DE3544076A1 Pressure-generating device for rubber pressure containers |
| 06/09/1987 | CA1222682A1 Impact resistant high air retention bladders |
| 06/03/1987 | CN85205637U Versatile air-inflating gun |
| 04/28/1987 | US4660834 Vinyl polymer wall |
| 04/28/1987 | US4660831 Inflatable padded game ball |
| 12/24/1986 | CN85202369U Slide stopper of plastic toy |
| 11/12/1986 | CA1213919A Inflation needle lubricating plug-insert type valve assembly |
| 10/14/1986 | US4616827 Playing ball |