61
Flynn Stephen D: Breathing apparatus.. O Two Systems Int, May 2, 1985: EP0139363-A1 (49 worldwide citation)

A breathing valve (10) having a valve chamber (16) with a two-way opening (36) for exit of exhaled gases and through which atmospheric air may be drawin in, a valve member (40) in the chamber (16), a one-way flow opening (54) in the valve member (40) through which gas may flow from the chamber (16) ...


62
Susan Matsumoto: Talking football. Michael Ebert, February 22, 1994: US05288069 (49 worldwide citation)

A talking, soft football for young children, which when caught by a player then emits an audible voice message or crowd roar sounds appropriate to the game of football. The football is formed by an elliptical casing of flexible plastic enclosing a core of compressible material. Nested in a cavity in ...


63
Billy R Letson Sr: Articulated brace for protection of the joint of a wearers limbs. C A Phillips, December 5, 1989: US04884561 (49 worldwide citation)

A brace for protection and support of the joint of a wearer's limbs. The brace may be worn during periods of recuperation from injuries to the joint while also permitting the wearer to engage in contact sports, such as football, etc., while recuperating from such injuries.


64
Nicole Durr: Sports helmet. McHale & Slavin, September 10, 2002: US06446270 (49 worldwide citation)

An improved helmet constructed with a rigid shell having a soft outer covering which absorbs impacts and disperses energy thereby protecting the wearer of the helmet, as well as protecting the impacting object. When used for contact sports such as football, this covering is effective in preventing i ...


65
Stanley K Honey, Richard H Cavallaro, Jerry Neil Gepner, Edward Gerald Goren, David Blyth Hill: Method and apparatus for adding a graphic indication of a first down to a live video of a football game. Fox Sports Productions, Fliesler Dubb Meyer & Lovejoy, October 31, 2000: US06141060 (48 worldwide citation)

Pan, tilt and zoom sensors are coupled to a broadcast camera in order to determine the field of view of the broadcast camera and to make a rough estimate of a target's location in the broadcast camera's field of view. Pattern recognition techniques can be used to determine the exact location of the ...


66
Bowerman William J: Athletic shoe for artificial turf. BRS, Klarquist Sparkman Campbell Leigh Hall & Whinston, February 26, 1974: US3793750 (48 worldwide citation)

An athletic shoe suitable for use on artificial turf is described including an improved upper of a porous multiple layer construction and an improved sole having integral polygon shaped studs. The upper is preferably made of nylon tricot fabric outer layer, a polyurethane foam middle layer, and a po ...


67
Mark D Monica: Helmet having a readily removable and replaceable protective layer. Creative Football Concepts, Lerner David Littenberg Krumholz & Mentlik, March 31, 1998: US05732414 (47 worldwide citation)

A helmet having an inexpensive polymeric protective layer for preventing or minimizing gouges, scuff marks, flares and the like to the exterior surface of the helmet is provided. The protective layer may be a post-production item which may be readily removable and replaceable by an unskilled user. T ...


68
Carl Joel Abraham: Apparatus for enhancing absorption and dissipation of impact forces for all protective headgear. August 14, 2001: US06272692 (47 worldwide citation)

An improved protective headgear apparatus for usage in connection with sporting activities, such as football, hockey, cycling, and the like, and other activities requiring the usage of protective head gear. The protective headgear apparatus is specifically designed to improve the absorption and diss ...


69
Claude Delacoste: Thermoplastic ball and method of manufacturing same. Delacoste & Cie, Gottlieb Rackman & Reisman, May 15, 1979: US04154789 (47 worldwide citation)

This ball made of thermoplastic material has physical properties substantially akin of those of conventional leather balls, and comprises at least two layers of thermoplastic material molten successively in a same mold and adhering completely to each other; the external layer consists of a material ...


70
Douglas G Guenther, Bradley Lee Gaff: Football. Wilson Sporting Goods Co, March 30, 1999: US05888157 (46 worldwide citation)

A football includes an elongated bladder and a plurality of longitudinally extending rubber strips which are secured to the bladder. Each of the rubber strips has a longitudinally extending groove. A plurality of cover panels surround the bladder and the rubber strips. Each of the cover panels has a ...



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