61
Hirokazu Fujii: Baseball bat. Stewart and Kolasch, June 15, 1976: US03963239 (63 worldwide citation)

A substantially hollow metallic ball bat being adaptable to a change in weight, center of gravity and impact resistance which comprises a generally cylindrical barrel portion and a generally cylindrical handle portion, said barrel portion being larger in diameter than said handle portion, and a hard ...


62
John R Bohannan, William H Beever, J Andrew Stirling: Fiber reinforced article. Phillips Petroleum Company, A W Umphlett, July 18, 1989: US04848745 (61 worldwide citation)

A filament winding process is disclosed for producing articles having a layer of wound helically extending fibers sandwiched between generally longitudinal fibers. The process is well adapted for use with thermoplastic resins and for producing articles having a high resistance to bending. In a prefe ...


63
Alan K Uke: Bat for baseball or softball. Brown Martin Haller & McClain, April 19, 1994: US05303917 (61 worldwide citation)

A bat for baseball, softball or other sporting games comprises a first member extending from a first, butt end of the bat to form a handle region of a first diameter, and a second member extending from the opposite, barrel end of the bat to form a barrel region of a second, larger diameter. The two ...


64
Charles S Baum: Sports analysis and testing system. Gifford Krass Groh Sprinkle Anderson & Citkowski PC, March 28, 2000: US06042492 (61 worldwide citation)

A sports analysis and testing system includes a plurality of high-speed digital video cameras, each aimed at a player from a different perspective to record their movements and those of a ball in play. In a baseball application, a programmed computer interfaced to the video cameras and various optio ...


65
David W Mason: Compound safety ball. January 11, 2000: US06012997 (60 worldwide citation)

A compound ball simulates the performance of a regulation size baseball, softball, and golf ball. It is formed of spherical outer and inner shells dimensioned to abut one another or to provide a spacing between them. The outer shell is formed of molded polymeric material with circular apertures spac ...


66
Gary Young: Sound producing baseball bat. Keaty & Keaty, September 8, 1998: US05803840 (58 worldwide citation)

The invention relates to baseball equipment, and more particularly to a baseball bat which is provided with an audible signal generating element. A sound module is mounted inside the handle portion and is designed to generate a pre-selected audible signal in the form of a speech sound when a strikin ...


67
Horst K Wieder, Klaus A Wieder: Elastic pull-type exerciser. John M Diehl, November 22, 1977: US04059265 (58 worldwide citation)

Grip member for elastic cord used for exercising contains two parallel cylindrical bores with slightly greater diameter than the cable, to slidingly receive the cable and prevent sliding of the cable through the grip member and permit adjusting of the active length of the cable used in any specific ...


68
Kashima Yoshitaka: Input operating device of game machine. Namco, June 27, 2000: JP2000-176150 (58 worldwide citation)

PROBLEM TO BE SOLVED: To provide the input operating device of a game machine capable of advancing games on the basis of movements extremely similar to the original movements of a fishing rod of a fishing game, a sward of a martial art game, a bat of a baseball game, a club of a golf game, etc.SOLUT ...


69
Glenn R Johnson: Batting glove. Woodard Emhardt Naughton Moriarty & McNett, June 15, 1993: US05218719 (56 worldwide citation)

A batting glove for use in softball, baseball, or other games of the like wherein a wooden or metallic bat is used. The batting glove includes pads located between the first and second phalangeal joints and a palm pad located across the metacarpophalangeal joints of the hand in order to create a rem ...


70
Kenneth T Effler, Douglas H Miner: Baseball shoe with improved outsole. Nike, Banner Birch McKie & Beckett, May 26, 1987: US04667425 (56 worldwide citation)

A baseball shoe is disclosed, which is comprised of an upper and a cleated sole attached to the upper. The cleated sole is formed of a single integral piece of plastic which includes a base extending through the toe, ball, arch and heel sections of the shoe. A pluality of first and second cleats ext ...