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Sanjay Kotha
Sanjay Kotha, Tirumalai S Sudarshan: Magnetic fluid cushioning device for a footwear or shoe. Materials Modification, Dinesh Agarwal P C, April 10, 2007: US07200956 (13 worldwide citation)

A cushioning device for a footwear or shoe includes a chamber with a magnetically responsive fluid therein for absorbing and/or dampening vibrations and/or shocks. A magnetic member, such as an electromagnet, is provided for applying a magnetic field to the magnetic fluid to thereby vary the viscosi ...


2
Marion F Rudy: Footwear. Robert C Bogert, Subkow and Kriegel, September 2, 1980: US04219945 (406 worldwide citation)

A shoe embodying a multiple chambered pneumatically inflated insert encapsulated in a yieldable foam which acts as a bridging moderator filling in irregularities of the insert and providing a substantially smooth and contoured surface for supporting the foot in a comfortable manner. The encapsulated ...


3
Marion F Rudy: Insole construction for articles of footwear. Robert C Bogert, Subkow and Kriegel, January 15, 1980: US04183156 (382 worldwide citation)

An improved construction for articles of footwear, such as boots and shoes of all types, includes an inflated insert, preferably in the shape of an insole, having a multiplicity of intercommunicating, gas containing chambers, and a ventilated moderator member which overlies the inflated insole for e ...


4
Mark G Parker, David M Forland, Lester Q Lee, Thomas McGuirk, Daniel R Potter, Stephen F Potter: Footwear with adjustable viscoelastic unit. Nike and Nike International, Banner Birch McKie & Beckett, April 4, 1989: US04817304 (338 worldwide citation)

Footwear having an improved cushioning sole structure is disclosed. The footwear includes an upper and a sole member attached to the upper. The sole member includes a sealed inner member of a flexible material which is inflated with a gaseous medium to form a compliant and resilient insert. An elast ...


5
Richard F Bailey Sr, Ronald A Fisher, Steven M Hoffberg: Ergonomic systems and methods providing intelligent adaptive surfaces and temperature control. ProMXD Technology, Milde Hoffberg & Macklin, May 15, 2001: US06230501 (297 worldwide citation)

Ergonomic systems which provide medical therapy, comfort and enhanced function are provided. Surfaces are provided with adjustable contour, transient force damping and temperature. The technologies are applied to footwear, seating surfaces an cryotherapy devices. The cooling and cryotherapy system e ...


6
Gary R Hammerslag: Footwear lacing system. BOA Technology, Knobbe Martens Olson & Bear, September 18, 2001: US06289558 (228 worldwide citation)

Disclosed is a footwear lacing system comprising a lace attached to a tightening mechanism. The lace is threaded through a series of opposing guide members positioned along the top of the foot and ankle portions of the footwear. The lace and guide preferably have low friction surfaces to facilitate ...


7
William Cass: Article of footwear. Nike, Banner & Witcoff, February 29, 2000: US06029376 (205 worldwide citation)

An article of footwear including a sole and an upper for enclosing and supporting the foot. The upper includes a tongueless outer sleeve of flexible woven elastic material, such as spandex, that allows the outer sleeve to expand and contract around a foot of a wearer. A flexible cage of support elem ...


8
Jean Pierre Vermeulen: Shock absorbing system for footwear application. Riches McKenzie & Herbert, March 19, 1991: US04999931 (202 worldwide citation)

This invention relates to a new shock absorber which may be used as an insole or as a midsole for an article of footwear. The shock absorber comprises a multi-cell membrane which may be embedded in a flexible envelope or which may be used itself as a one-piece multi-cell membrane insole or midsole. ...


9
Rita Tomaro: Footwear with replaceable, watertight bootie. H H Brown Shoe Company, Fish & Richardson, March 19, 1996: US05499459 (198 worldwide citation)

An article of footwear includes an outer boot or shoe with a sole and an upper, which together define a volume for receiving and protecting a wearer's foot against external elements, and a replaceable, watertight bootie sized and shaped to fit snugly within the volume. The bootie includes an insole, ...


10
Kim Sang Do: Footwear sole providing ventilation, shock absorption and fashion. Darby & Darby, July 6, 1993: US05224277 (196 worldwide citation)

A footwear sole has a waterproof ventilation part secured in the midsole or the outsole, and a horseshoe-shaped shock-absorbing heel member secured in the heel portion of the sole part in which the waterproof and ventilation part is secured. The waterproof and ventilation part includes a buoyancy pl ...