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K Anthony Menconi, Joseph F Gribauskas Jr: Modular surface such as for use in sports. Leydig Voit Osann Mayer & Holt, March 13, 1984: US04436779 (104 worldwide citation)

A modular surface having an important use as a sports deck, and particularly for ball sports like tennis. The surface is built up of a number of generally square tiles in which the play surface is supported by a large number of support pegs intended to rest on an undersurface. The tiles are flexible ...


12
Kenneth W Misevich, Henry D Cross III, Roland E Dube, Rob R McGregor: Athletic type shoe for tennis and other court games. Colgate Palmolive Company, LeBlanc Nolan Shur & Nies, September 24, 1985: US04542598 (98 worldwide citation)

An athletic type tennis or court shoe wherein spaced apart forefoot and rearfoot sole units are connected together only through a flexible soleless coupling to allow the wearer's forefoot and rearfoot to act independently of each other, wherein each sole unit has a resilient, shock-absorbing midsole ...


13
Ing Chung Huang: Air cushion grip with a cubic supporting structure and shock-absorbing function. Bacon & Thomas, October 18, 1994: US05355552 (97 worldwide citation)

An air cushion grip with a cubic structure and shock-absorbing function for fixing around the handle of a tennis racket, a hammer, a bicycle or the like, and comprising an outer flat layer and a bottom layer provided with a plurality of round and/or straight grooves, the vertical walls of which form ...


14
Improvements in lawn tennis markers. George William Poyser, Poyser S Patents 1922, May 8, 1924: GB215154-A (96 worldwide citation)

215,154. Poyser, G. W., and Poyser's Patents (1922), Ltd. March 17, 1923. Lawn-tennis markers.-The marking-wheel c of a lawn-tennis marker is provided with a U-shaped scraper f having studs f engaging slots g in upward extensions of the wheel bearings h, allowing the scraper to be removed. The botto ...


15
David J Marinelli: Speed, spin rate, and curve measuring device using magnetic field sensors. Silicon Pie, James R Young, November 21, 2000: US06151563 (95 worldwide citation)

A device for measuring a movable object, such as a baseball, football, hockey puck, soccer ball, tennis ball, bowling ball, or a golf ball. Part of the device, called the object unit, is embedded, secured, or attached to the movable object of interest, and has a spin detection circuit, electronic pr ...


16
Peter A Hudson, Kaia Histand, Jeffrey C Pisciotta: Article of footwear having medial and lateral sides with differing characteristics. Nike, Banner & Witcoff, August 29, 2000: US06108943 (93 worldwide citation)

An improved article of footwear, specifically for use in the sport of tennis. The article of footwear addresses motions prevalent in the sport of tennis by enhancing performance and preventing injuries. The article of footwear is asymmetrical and the lateral and medial portions have features to perf ...


17
Nirschl Robert P: Muscular support. Schuyler Birch Swindler McKie & Beckett, April 15, 1975: US3877426 (88 worldwide citation)

A support for bracing the musculo-tendinous units in the upper and lower extremities of humans especially for the prevention of 'tennis elbow.' A flexible, arcuately shaped pad especially adapted to be tightly wrapped about a muscle without slippage is constructed of a two layer laminate of cloth an ...


18
Noel C Perkins: Electronic measurement of the motion of a moving body of sports equipment. The Regents of the University of Michigan, Young Basile Hanlon MacFarlane & Helmholdt P C, June 26, 2007: US07234351 (86 worldwide citation)

An application of rate gyros and accelerometers allows electronic measurement of the motion of a rigid or semi-rigid body, such as a body associated with sporting equipment including a fly rod during casting, a baseball bat, a tennis racquet or a golf club during swinging. For instance, data can be ...


19
Ruxton C Doubt: Process for manufacturing custom moldable hand grip. Seed and Berry, August 23, 1988: US04765856 (84 worldwide citation)

A process for making a moldable article for individualizing the operative surfaces of implements such as the hand grip of tennis racquets or hand tools. The moldable article is a sheet of polymeric material, including a polyurethane or thermoplastic-rubber copolymer component blended with volatile s ...


20
Paul H Pennell: Rubber grip for tennis racket handles. Elastomeric Products, Webster B Harpman, April 5, 1977: US04015851 (82 worldwide citation)

A rubber grip for a tennis racket handle has a double lamination of two rubber materials, the bottom layer being a relatively harder stronger material than the upper or outer layer and the upper layer being a soft tacky rather weak material that provides good adhesion when gripped by the hand. The b ...



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