11
K Anthony Menconi, Joseph F Gribauskas Jr: Modular surface such as for use in sports. Leydig Voit Osann Mayer & Holt, March 13, 1984: US04436779 (108 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
Robert D Shomo: Shock and vibration absorbent handle. Robert G Mentag, April 28, 1987: US04660832 (107 worldwide citation)

A shock and vibration handle for application to the hand gripping portion of the normal handle of an impacted, vibration sensitive item, such as, a tennis racket, a racquetball racket, a golf club, a baseball bat, and other impact devices, such as hammers, and the like. The shock and vibration absor ...


13
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 (104 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 ...


14
David J Marinelli: Speed, spin rate, and curve measuring device using magnetic field sensors. Silicon Pie, James R Young, November 21, 2000: US06151563 (104 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 ...


15
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 (100 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 ...


16
Improvements in lawn tennis markers. George William Poyser, Poyser S Patents 1922, May 8, 1924: GB215154-A (99 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 ...


17
Ing Chung Huang: Air cushion grip with a cubic supporting structure and shock-absorbing function. Bacon & Thomas, October 18, 1994: US05355552 (98 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 ...


18
Nirschl Robert P: Muscular support. Schuyler Birch Swindler McKie & Beckett, April 15, 1975: US3877426 (92 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 ...


19
Improvements in or relating to golf clubs and the like. James Hamilton Stirling, March 22, 1923: GB194823-A (87 worldwide citation)

194,823. Stirling, J. H. Dec. 23, 1921. Golf clubs; handles.- Relates to golf clubs, cricket bats, tennis rackets, and the like of the kind wherein the weight and balance may be varied by means of adjustable weights mounted on a stem which is provided with a cap and fits into a cavity in the club &c ...


20
Ruxton C Doubt: Process for manufacturing custom moldable hand grip. Seed and Berry, August 23, 1988: US04765856 (85 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 ...