31
William Rovani: Shock-absorbing system for protective equipment. Pepsico, Hill Gross Simpson Van Santen Steadman Chiara & Simpson, May 17, 1977: US04023213 (82 worldwide citation)

A shock-absorbing system is provided for protective helmets such as football helmets or crash helmets which includes an impact-resistant shell, a plurality of webs secured to the inside of the shell in the crown portion, and a plurality of flexible plastic compartments containing foam secured to the ...


32
Kevin J Crowley, Channing Souther: Outsole for athletic shoe. Converse, July 12, 1983: US04392312 (82 worldwide citation)

A molded outsole for an athletic shoe including molded, non-metallic studs or cleats includes a plurality of first substantially identical studs and a plurality of second substantially identical studs. The first studs have a shape characterized by three partially-overlapping frustoconical shapes, bl ...


33
Dunning Fred R: Inflatable padding for football helmet or the like. October 2, 1973: US3761959 (80 worldwide citation)

An inflatable padding for attachment to the interior surface of a helmet, for protecting the head of a participant in a sporting event, such as a football game. The inflatable padding comprises a plurality of inflatable bag-like means or members adapted for positioning about the head of the wearer, ...


34
Douglas R Kralik: Inflatable padded game ball. Figgie International, Senniger Powers Leavitt and Roedel, April 28, 1987: US04660831 (79 worldwide citation)

An inflatable padded game ball, such as a football, having an outer carcass, a padding inside the carcass, a liner inside the padding and a bladder inside the liner. The liner is so dimensioned relative to the carcass that the liner establishes the final dimensions of the ball when the bladder is in ...


35
David J Hall, Jonnathan H Kim: System and method for using impulse radio technology to track the movement of athletes and to enable secure communications between the athletes and their teammates, fans or coaches. Time Domain Corporation, William J Tucker, December 9, 2003: US06661342 (79 worldwide citation)

A system, electronic device and method are provided that utilize the positioning capabilities of impulse radio technology to track one or more moving athletes. The movement of these athletes can be displayed on a television, a handheld unit or an Internet site. In addition, the present invention can ...


36
Cherie Alexander, Peter David Halstead, Brian Howard: Football helmet having a removable inflatable liner and a method for making the same. Adams USA, David W Nagle Jr, Vance A Smith, Stites & Harbison PLLC, May 8, 2001: US06226801 (78 worldwide citation)

The invention pertains to protective helmet that has an inflatable liner that is constructed with a multiplicity of cells each separated by constrictions of a narrower cross-section. The liner has a central ring and a plurality of loops extending therefrom adapted to protect various portions of the ...


37
Ariano Rosalba, Fontanella Bartolomea: Electronic device for the simulation of an animated game, in particular the game of football. Browdy and Neimark, April 1, 1975: US3874669 (77 worldwide citation)

An electronic device is disclosed which can simulate any animated game between two single players or two teams. Said device can be preselected for three types of game; manual with the direct piloting by two rival operators; semiautomatic wherein only one operator pilots his player or team against th ...


38
Arthur R Howard: Hand protector. Wendell Coffee, October 4, 1977: US04051553 (75 worldwide citation)

For football, a hard foam rubber pad is affixed to the back of a lightweight cotton glove. The pad extends over the knuckles, (metacarpo-phalangeal joint), of a hand inserted in the glove. The pad is molded so as to force the fingers to naturally curl without conscious effort, but allowing the finge ...


39
Frederick T Haas Jr: Synthetic turf playing surface with resilient top-dressing. Schwartz Jeffery Schwaab Mack Blumenthal & Koch, June 29, 1982: US04337283 (74 worldwide citation)

A playing surface for athletic games comprising a stable subsurface, a pile fabric resembling grass and a compacted top-dressing comprising a mixture of from 25 to 95 volume percent resilient particles and from 5 to 75 volume percent fine sand. The inventive surface is particularly suited for use as ...


40
Craig Enokian: Video game with playback of live events. Ernest Kettelson, May 5, 1987: US04662635 (73 worldwide citation)

A video game in which a television screen or cathode ray tube is used to display a variety of plays previously preformed by living beings and recorded at the time on a video recording medium, such as video tape or video disks, the particular previously performed play which is displayed during each t ...