91
Christopher R P Withnall, Timothy D Bayne: Method and apparatus for testing football helmets. Riddell, Wallenstein Wagner & Rockey, March 29, 2005: US06871525 (47 worldwide citation)

A method and apparatus for testing a football helmet utilizes a weighted pendulum arm to impart an impact force upon the helmet. Linear head acceleration and rotational head acceleration caused by the impact force is measured and a Head Impact Power Index is computed and used as a standard to judge ...


92
Bradley R Mason, Jeffrey T Mason: Knee protector. Don Joy, Albert L Gabriel, September 6, 1988: US04768500 (47 worldwide citation)

An athletic knee protector is disclosed wherein a bowed leaf spring hinge structure is supported on load distribution pads or cuffs attached to the thigh and shin of the wearer and is spaced laterally from the lateral side of the knee to protect the knee of an athlete against injury from lateral for ...


93
MacDonald Richard A, MacDonald James A, Andrews Joseph J: Game ball. Thingamajig Corporation, May 20, 1975: US3884466 (47 worldwide citation)

A game ball shaped like a football includes an air passage extending along the longitudinal axis thereof. The diameter of the air passage tapers from the opposite ends thereof to a constricted opening midway of the length thereof. The ball may be provided with a symmetrical arrangement of relatively ...


94
Myron K Gordin: Composite photometric method. Mycro Group Company, Zarley McKee Thomte Voorhees & Sease, May 22, 1984: US04450507 (47 worldwide citation)

A method of producing a composite beam of uniform light from a plurality of defined beam, high-intensity, luminaires mounted on a luminaire assembly, adapted for use with a mobile mounting pole. By determining the characteristics of the defined beam produced by each luminaire, the area to be lighted ...


95
Anthony Evans: Footwear. Duane Morris & Heckscher, August 15, 2000: US06101746 (46 worldwide citation)

A football boot has a plurality of studs disposed in a pattern which includes a part of at least one ring. The studs are asymmetric in that they provide grip along a first axis and permit sliding along another axis in a manner to encourage self cleaning. The studs are arranged with their respective ...


96
Frank L Bohaski, Jack L Horner Jr: Combination table top football and hockey game. Jerry T Kearns, October 10, 1989: US04872679 (46 worldwide citation)

A combination table top football and hockey game utilizes a rectangular board formed by two rectangular sections connected along a central line by a hinge for movement between open and closed positions. The board has front and back surfaces designated respectively as a football field game area and a ...


97
Harold G Martin: Sports equipment rack. Brooks & Kushman, January 3, 1995: US05377849 (45 worldwide citation)

A sports equipment rack for supporting various sports equipment worn by an athlete, particularly hockey and football equipment. The rack having a base member supporting a plurality of straight tubular pieces, right angle tubular pieces, and obtuse angle tubular pieces for supporting the equipment in ...


98
Raymond F Tonkel, Alexander L Gross: Cushioning and impact absorptive means for footwear. Kangaroos U, Paul M Denk, January 23, 1990: US04894933 (45 worldwide citation)

This invention pertains to the encapsulation of a cellular insert, in the form of cellular components, formed of woven material fabricating such cellular components that present voids or cavities therein, or which may be formed from spirally or helically wound strands of a polymer having a hardness ...


99
Alan J Adler, Brendan J Boyle, Fern Mandelbaum: Football with fins. Townsend and Townsend Khourie and Crew, December 14, 1993: US05269514 (45 worldwide citation)

A ball of prolate (football-shaped) configuration having external fins oriented at an angle relative to the longitudinal axis to promote rotation in flight and having leading and trailing edges positioned such that the net center of aerodynamic lift of said fins is located rearwardly of the ball's l ...


100
Rodney Batton: Flag football equipment. September 19, 1995: US05451046 (44 worldwide citation)

Flag football equipment wherein a soft foam rubber football includes helical finger receiving gripping grooves containing loop fabric fasteners, a waist encircling belt including a plurality of detachable flags containing loop fabric fasteners, and a glove including hook fabric fasteners for interlo ...