| Patents for A63B 39 - Hollow non-inflatable balls (695) |
|---|
| 07/27/1995 | WO1995020150A2 Performance game ball |
| 07/11/1995 | US5431393 Raised surface patterns for basketball leather covers |
| 06/22/1995 | DE4342884A1 Storage box for used tennis balls |
| 05/17/1995 | EP0652793A1 Pressurised tennis ball |
| 05/13/1995 | CA2102961A1 Sports training ball |
| 05/09/1995 | US5413333 Colored adhesive for tennis ball seams and a tennis ball seam containing the same |
| 05/09/1995 | US5413331 Soft reboundable amusement ball and outer skin material |
| 04/20/1995 | DE4434889C1 Plastic ball |
| 04/19/1995 | CN2194739Y Ball with cone teeth |
| 04/05/1995 | EP0646396A2 Play balls, pressureless tennis balls and rubber compounds for making them |
| 03/14/1995 | US5397018 Tennis ball handling system |
| 03/08/1995 | EP0490922B1 Golf type games apparatus |
| 02/23/1995 | DE4327852A1 Container for storing tennis balls |
| 12/21/1994 | CN1096462A Safety smoke-type colour "golf" ball |
| 12/07/1994 | CN1095987A Improved prodution process of a plastic takral ball |
| 09/29/1994 | WO1994021334A1 A stick for playing a game |
| 09/16/1994 | CA2091630A1 Stick for playing a game |
| 06/16/1994 | DE4242307A1 Tennis balls of all types - have reticular or other structured patterns over felt layer |
| 06/01/1994 | CN2166840Y Combination big colour ball putting together by users |
| 05/17/1994 | US5311988 Pressurizing cap and method for using same |
| 05/03/1994 | US5308060 Coverings of woven felt of wool fibers and a polyethylene terephthalate polymer having specific properties; wear resistance; naps |
| 04/28/1994 | WO1994008665A1 A three piece ball template and method of manufacture |
| 04/20/1994 | CN2162265Y Structure device of acoustooptic ball |
| 04/13/1994 | EP0591700A2 Device for storage of tennis balls |
| 04/06/1994 | CN1084777A Rotary ball |
| 03/29/1994 | CA1328094C Device for storing tennis balls |
| 02/23/1994 | CN2156897Y Platinum cloison handicraft body-building ball |
| 02/03/1994 | WO1994002215A1 Pressurised tennis ball |
| 01/25/1994 | US5280906 Performance game ball |
| 01/12/1994 | EP0578269A1 Pressurized container for preserving tennis balls |
| 12/29/1993 | EP0576233A1 Balls and making them |
| 12/28/1993 | US5273287 Golf ball |
| 12/25/1993 | CA2098558A1 Tennis ball without seam adhesive |
| 12/14/1993 | US5269526 Golf game apparatus |
| 11/25/1993 | DE4224705C1 Druckgefüllter Tennisball Pressure-filled tennis ball |
| 10/28/1993 | WO1993020901A1 Container with a pressure vessel for regenerating and storing tennis balls |
| 10/28/1993 | DE4212419A1 Druckbehälter zum Regenerieren und Lagern von Tennisbällen Pressure vessel for regeneration and storage of tennis balls |
| 10/28/1993 | CA2132443A1 Container with pressure vessel for the regeneration and storage of tennis balls |
| 10/05/1993 | CA1322772C Tennis ball and method of manufacturing the same |
| 09/22/1993 | CN2142356Y Toy ball |
| 07/06/1993 | US5225258 Polybutadiene and copolymers for cores for balls |
| 07/06/1993 | US5224959 Skeleton ball |
| 06/02/1993 | CN2134877Y Multi-functional body-building ball core |
| 05/18/1993 | US5211788 Tennis ball and method of manufacturing the same |
| 05/11/1993 | US5209471 Natural rubber, polybutadiene, styrene-butadiene rubber, polyethylene |
| 05/05/1993 | CN2131562Y Ball apparatus |
| 04/14/1993 | CN2129627Y Magnetic body-building ball |
| 01/26/1993 | US5181717 Inflated sports ball |
| 01/20/1993 | CN2126573Y Direction changing sport ball |
| 12/24/1992 | DE4119953A1 Tennis ball regeneration machine - has container with base plate, plexiglass(rtm) cylinder cover, manipulator with handle and bar stopper to refill b all with compressed gas |
| 12/09/1992 | EP0517173A1 Tennis ball |
| 11/18/1992 | CN2121976U Keep-fit ball |
| 11/17/1992 | USRE34128 Takraw ball |
| 11/11/1992 | EP0512488A1 Pressureless tennis ball |
| 10/28/1992 | CN2119940U Hollowed-out football |
| 10/28/1992 | CN2119939U Hollow non-inflatable ball |
| 09/03/1992 | DE4106374A1 Press down closure piece for tennis ball container - has screw-on lid with inlet valve, excess pressure valve, and divided ring and threaded ring with bulges |
| 07/08/1992 | CN2109211U Cloisonne health care ball |
| 03/18/1992 | EP0400105B1 Device for storing tennis balls |
| 02/06/1992 | WO1992001493A1 A sports ball |
| 01/29/1992 | CN2094366U Magnetic therapeutic health ball |
| 01/15/1992 | CN1057790A Modified polystyrene table tennis ball |
| 12/04/1991 | EP0459436A1 Pressureless tennis ball |
| 11/13/1991 | EP0456036A1 Rubber composition for hollow core of pressureless tennis ball |
| 11/05/1991 | US5062912 Mold with halves having hemispherical cavities, forming sphere from material melting above curing temperature of core rubber, forming core preforms of uncured rubber, placing around sphere, mounting core assembly within sphere, heat treatment |
| 10/30/1991 | CN2087517U Multifunctional health ball |
| 08/13/1991 | US5038504 Date coding play balls |
| 07/30/1991 | US5035425 Spherical shell of polyurethane |
| 07/25/1991 | DE4001610A1 Pressurised container for regenerating tennis balls - maintains defined overpressure, preventing ball pressure reduction |
| 07/25/1991 | DE4001609A1 Pressurised container for tennis balls - has piston attached to container lid to achieve required pressure |
| 06/12/1991 | CN2078638U Tennis with rubber rope and rope-type bag |
| 05/14/1991 | US5014848 Device for storing tennis balls |
| 03/26/1991 | US5002196 Pressure vessel with removable sealing lid |
| 03/07/1991 | WO1991003285A1 Golf type games apparatus |
| 12/05/1990 | EP0400105A1 Device for storing tennis balls. |
| 10/31/1990 | CN2064662U Maze ball appliance |
| 09/19/1990 | EP0387370A1 Method and device for mechanically glueing flat cladding materials onto spherical objects |
| 09/05/1990 | EP0385872A2 Sport or leisure balls comprising an external foam layer with an integral skin, and production thereof |
| 08/07/1990 | US4947466 Tennis ball |
| 08/07/1990 | US4946166 Tennis ball |
| 07/31/1990 | CA1272229A1 Large-diameter tennis ball |
| 06/13/1990 | EP0372732A2 Date coding play balls |
| 03/08/1990 | WO1990001973A1 Device for storing tennis balls |
| 12/06/1989 | EP0345054A2 Storage container for tennis balls and the like |
| 11/16/1989 | DE3815641A1 Closable container for used tennis balls |
| 11/14/1989 | US4880233 Game ball |
| 10/17/1989 | US4874169 Ball |
| 10/10/1989 | US4872678 Pressurizable game ball |
| 09/26/1989 | CA1260980A1 Triangular pebble design for basketballs |
| 08/31/1989 | DE3805008A1 Pressurised container for tennis and squash balls |
| 08/29/1989 | US4861028 Game ball |
| 08/23/1989 | CN2043123U Healthy ball |
| 08/01/1989 | US4853057 Method of making tennis balls or the like |
| 08/01/1989 | US4853056 Method of making tennis ball with a single core and cover bonding cure |
| 06/13/1989 | US4838007 Hand device for varying the pressure of valve-less balls |
| 05/23/1989 | CA1254464A1 Table tennis practice aid |
| 05/18/1989 | DE3738019A1 Tennis ball container |
| 05/16/1989 | US4830370 Game ball |
| 03/21/1989 | US4813674 Takraw ball |
| 01/18/1989 | CN2030882U Ball with lugs |