Frederick J Dojan, Thomas Foxen, John F Swigart, Eric Steven Schindler: Article of footwear having a fluid-filled bladder with a reinforcing structure. NIKE, Banner & Witcoff, August 8, 2006: US07086179 (112 worldwide citation)

A sole component and a method of manufacturing the sole component are disclosed. In general, the sole component includes a fluid-filled bladder and a reinforcing structure extending around the bladder. The reinforcing structure is bonded to the exterior of the bladder, and may be recessed into the b ...

George P McBarron: Ventilated athletic shoe. Stride Rite International, March 27, 1984: US04438573 (112 worldwide citation)

In an athletic shoe, a system for conveying air into the shoe in which an air reservoir in the resilient outsole assembly is open to a first transverse air channel which opens in turn to the surrounding air, a longitudinal air slot in the outsole assembly is open to the air reservoir, a first vertic ...

Hugo Marrello: Shock absorbing device. Smart & Biggar, September 12, 1989: US04864737 (106 worldwide citation)

A shock absorbing device comprising: an upper impermeable sheet; a lower impermeable sheet; an intermediate flexible impermeable sheet which is deformed to provide a grid of spaced peaks projecting on each surface thereof, the peaks being fixed to the upper and lower sheets to form two chambers of i ...

Armenak Moumdjian: Insole and method of and apparatus for making same. Herbert Dubno, July 11, 1989: US04845861 (105 worldwide citation)

A foot-support element such as an insole or a part of an insole is provided with a checkvalve through which it can be selectively inflated, the top and bottom walls of the insole being bridged by partitions which retain the shape upon pressurization. The insole is formed with upper and lower parts i ...

Marion Franklin Rudy: Fatigue resistant fluid containing cushioning device for articles of footwear. Robert C Bogert, Fay Sharpe Beall Fagan Minnich & McKee, November 11, 1997: US05686167 (104 worldwide citation)

A structure forming part of a shoe comprising a sealed member of elastomeric material having a plurality of chambers containing a fluid, the chamber having a generally planar alignment, the plurality of chambers interconnected by a plurality of flexible sheets, wherein at least a portion of at least ...

Freddie T Allen Jr: Disc spring sole structure. October 4, 1988: US04774774 (103 worldwide citation)

A midsole for athletic shoes that stores energy. The "honey comb" midsole absorbs the body weight of the athletic and converts the force into a spring-back energy that reduces the workload of leg muscles therefore a reduction of leg muscle fatigue results.

Fowler Donald M: Shoe sole structure. September 10, 1974: US3834046 (101 worldwide citation)

A cushioning structure for footwear is interposed between the insole of the shoe and the ground-engaging sole and includes upper and lower sheets having a plurality of complementary and aligned protrusions and openings therebetween, the sheets being separated by an elastic diaphragm which will yield ...

Bernie Allen, Douglas E Clark, Christopher J Edington, Rui Parracho, Eric Swartz: Reactive energy fluid filled apparatus providing cushioning, support, stability and a custom fit in a shoe. Converse, Rogers Howell & Haferkamp, May 24, 1994: US05313717 (99 worldwide citation)

A reactive energy fluid filled cushioning and stabilizing apparatus in a shoe is comprised of one or more anatomically shaped fluid filled bladders that are positioned in the forefoot, arch and/or heel areas of the shoe. The bladders assume a complementary custom fitting configuration to the contour ...

Terry S Solow: Suction-ventilated shoe system. December 26, 1989: US04888887 (99 worldwide citation)

A suction-ventilated shoe system, which has air-exit ports located on the outer surface of said shoe, preferably in the midsole region, is provided. Said suction-ventilated shoe system contains a novel, multivented, suction-operated insole that enables the entire surface of said insole to be uniform ...

Edith Michele Harmon Weiss, David Arthur Mauceri, Derek Alan Verhoorn: Shoe sloe cushion. New Balance Athletic Shoe, Pennie & Edmonds, July 3, 2001: US06253466 (98 worldwide citation)

A shoe sole for supporting a wearer's foot. The sole has a main sole portion and at least one cushion associated with the main sole portion. The cushion includes first and second hollow tubular portions, preferably with resilient load-bearing first and second hollow walls that have a thickness, ...