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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
Marion F Rudy: Pressurizable envelope and method. Robert C Bogert, Beehler & Pavitt, March 6, 1990: US04906502 (242 worldwide citation)

An internally pressurizable lightweight high tensile strength multi-layered envelope is provided. An outer barrier layer of elastomeric semi-permeable material is mechanically bonded at a multiplicity of cites where substantially the entire distal surfaces of a double-walled drop thread linked fabri ...


6
Bruce J Kilgore, Thomas McMahon, John C Tawney, Gordon Valiant: Shoe with an improved midsole. Nike, Banner Birch McKie & Beckett, September 6, 1994: US05343639 (229 worldwide citation)

The invention is directed to a midsole for a shoe including one or more foam columns disposed between an upper and a lower plate. One or more elastomeric foam elements are disposed between the upper and lower plates. The foam elements are made of a material such as microcellular polyurethane-elastom ...


7
Ing Chung Huang: Air cushion shoe sole. Holman & Stern, June 9, 1987: US04670995 (219 worldwide citation)

An air cushion shoe sole which is preferably blow molded of elastomeric material and has at least one cavity which in cross-section is substantially rectilinear. The cavity has a number of depressions and each cavity has an air valve for introducing a shock absorbing material, namely gas, liquid, or ...


8
Marion F Rudy: Diffusion pumping apparatus self-inflating device. Bernard Kriegel, July 20, 1982: US04340626 (219 worldwide citation)

An elastomeric enclosure is initially inflated to a desired pressure by a gas having large molecules incapable of diffusing outwardly from the enclosure, except at a relatively slow rate. When the enclosure is surrounded by ambient air at atmospheric pressure, such air passes into the enclosures by ...


9
Joseph J Skaja, Martyn R Shorten: Shoe sole component and shoe sole component construction method. Retama Technology, Arnold White & Durkee, November 12, 1996: US05572804 (210 worldwide citation)

A high polymer resin material is configured into a shoe sole component having a plurality of inwardly extending indentations in one or both of the top and bottom members of the component. The indentations extend into the interval between the members and adjacent to the opposite member to provide sup ...


10
Bruce J Kilgore, Thomas McMahon, John C Tawney, Gordon Valiant: Shoe with an improved midsole. Nike, Banner Birch McKie & Beckett, October 11, 1994: US05353523 (202 worldwide citation)

The invention is directed to a midsole for a shoe including one or more foam columns disposed between an upper and a lower plate. One or more elastomeric foam elements are disposed between the upper and lower plates. The foam elements are made of a material such as microcellular polyurethane-elastom ...