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| Number | Title | Issue Date |
| 6189241 | Cushioned in-line skate shoe A cushioned in-line skate shoe comprises: an in-line skate shoe body, including: an outer side wall which has an outer lower edge, an inner side wall which has an inner lower edge, a sole provided on a bottom of the shoe body and connected between the out... | 02/20/2001 |
| 6182378 | Low profile pneumatic electric generator integrated in a midsole of a shoe This invention relates to a device for converting physiologically derived energy to electric energy while walking in a form a low profile pneumatic electric power generator that is adapted for integration in a midsole of a shoe, to generate power as the w... | 02/06/2001 |
| 6178662 | Dispersed-air footpad For use in a sole, insole, or heel portion of a footwear article, a footpad is described, having an upper surface on which are disposed a plurality of resilient lugs. The top surfaces of the lugs define a foot supporting surface wherein mutually parallel,... | 01/30/2001 |
| 6178663 | Fluid filled insole with metatarsal pad A fluid filled insole comprises a fluid tight bladder having upper and lower layers and a generally foot-shaped, planar configuration, with proximal forefoot, midfoot and hindfoot regions; a heavy, viscous, sterile liquid substantially filling the bladder... | 01/30/2001 |
| 6170173 | Method and apparatus for fluid flow transfer in shoes A method and apparatus for transferring the flow of fluid through tubes in the sole of shoes. The apparatus includes a pair of fluid filled tubes along the periphery of the sole of the shoe. One tube is connected to cross tubes that provide flow paths and... | 01/09/2001 |
| 6158149 | Article of footwear having multiple fluid containing members An article of footwear includes one or more first fluid containing cushion devices in direct or elastomeric load transmitting contact with a foot to provide superior comfort. One or more second, preferably thicker, fluid containing cushion devices are pos... | 12/12/2000 |
| 6138383 | Shoe insert The invention in a shoe insert to be fitted into and maintained in a conventional walking or running shoe to provide support and cushioning to the foot of such shoe wearer. The shoe insert is to fit into a shoe to grip to the shoe insole and is manufactur... | 10/31/2000 |
| 6134812 | Shoe sole A shoe sole which, in the heel and ball regions, comprises deformable cavities which are connected to one another and to the surrounding air by means of lines which can be closed by valves. Provided in the bending region of the sole is a transverse gap wh... | 10/24/2000 |
| 6131310 | Outsole having a cushion chamber An outsole for footwear includes a base member having a first flange extending from a periphery of the base member, and a second flange extending from a top surface of the base member. A peripheral groove is defined between the first flange and the second... | 10/17/2000 |
| 6127010 | Shock absorbing cushion A shock absorbing cushioning device suitable for products, objects and footwear which is comprised of a compressible insert encapsulated within an elastomeric barrier member. The elastomeric barrier member is secured to the compressible insert by a plural... | 10/03/2000 |
| 6122844 | Dress shoe with cushioned bladder A padded dress shoe is provided including a sole having a generally rigid heel portion defining an open top. The sole has an upper mounted thereon for forming an interior space in which a foot may be inserted. Further included is a flexible, thin planar s... | 09/26/2000 |
| 6119370 | Sole liner for shoe An insert or inner sole for a shoe having as its purpose support of the metatarsal and arch portions of the foot to thereby reduce pressure on those areas and associated foot pain. The insert or inner sole has three layers that interface with one another ... | 09/19/2000 |
| 6120880 | Performance enhancing athletic shoe components and methods The present invention provides performance enhancing shoe components. The invented shoe component includes an upper layer of 1,4-polybutadiene and, optionally, a rubber such as natural rubber, synthetic isoprene rubber or polyisoprene. The first layer is ... | 09/19/2000 |
| 6119371 | Resilient bladder for use in footwear A bladder for use as a cushioning element and footwear incorporating the bladder. The enclosed core is formed of spaced apart first and second fabric layers connected together by a plurality of connecting yarns. The shell is formed of see-through plastic ... | 09/19/2000 |
| 6112432 | Insole, footwear, and method for manufacturing footwear An insole for use in a slipper is provided. The insole includes a first cushion layer and a second cushion layer. The first cushion layer includes a first foam layer and an air permeable membrane covering the first foam layer. The second cushion layer inc... | 09/05/2000 |
| 6098313 | Shoe sole component and shoe sole component construction method 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 a... | 08/08/2000 |
| 6092310 | Fluid filled insole A fluid filled insole comprises a fluid tight bladder having upper and lower layers and a generally foot-shaped, planar configuration, with proximal forefoot, midfoot and hindfoot regions; a heavy, viscous, sterile liquid substantially filling the bladder... | 07/25/2000 |
| 6092305 | Footwear structure and method of forming the same A footwear structure including an outsole and a separate midsole having interlocking shank portions. The outsole has an upward extending arc in the shank area which defines a shank interlock portion on the top surface of the outsole. The midsole has a cor... | 07/25/2000 |
| 6092309 | Heel and sole structure with inwardly projecting bulges A sole and heel structure is provided. The structure includes an outsole having interior and ground contacting surfaces, a pocket-forming midsole overlying the outsole having an outsole-facing surface and an interior surface, first and second bulges proje... | 07/25/2000 |
| 6082025 | Flexible membranes Described is a membrane comprising a microlayer polymeric composite having at least about 10 microlayers. The microlayers are each individually up to about 100 microns thick and alternate between at least one gas barrier material and at least one elastome... | 07/04/2000 |
| 6079123 | Self-ventilating insert for footwear The present invention is a self-ventilating insert for footwear with a wedge-shape pumping chamber located in the heel of the footwear. The pumping chamber can displace an air volume of at least about 44 cubic centimeters plus 3 times the U.S. men's footw... | 06/27/2000 |
| 6076282 | Shoe sole with forced air circulation system A forced-ventilation shoe includes a midsole or insole provided with a plurality of through-holes, resilient support means arranged between the outsole and the midsole or insole to form an air chamber between the elements, and devices for occluding the ho... | 06/20/2000 |
| 6055746 | Athletic shoe with rearfoot strike zone An athletic shoe has a sole with a rearfoot strike zone segmented from the remaining heel area by a line of flexion which permits articulation of the strike zone during initial heel strike of a runner. The line of flexion is located to delimit a rearfoot ... | 05/02/2000 |
| 6044577 | Self-ventilating footwear A unitary pumping chamber that removes excess heat and moisture from within the footwear to the footwear exterior. The pumping chamber displaces an approximate air volume of 100 cubic centimeters. The placement of the pumping chamber above the midsole but... | 04/04/2000 |
| 6041522 | Shoe structure with midsole channel between metatarsal and heel bulges A midsole channel is formed solely in a midsole and enables free air flow between metatarsal and heel cavities formed in an outsole of a shoe structure.... | 03/28/2000 |
| 6041519 | Air-circulating, shock-absorbing shoe structures A structure for ventilating a toe region of a shoe includes a body including in its heel zone two major walls and a resilient element having a multitude of voids arranged in a pumping chamber to urge the two walls apart against the action of external forc... | 03/28/2000 |
| 6029962 | Shock absorbing component and construction method A shock absorbing component having a pair of surfaces with a plurality of inwardly extending indentations in the top and bottom surfaces. The indentations extend between the surfaces to provide support members for the shock absorbing component. At least s... | 02/29/2000 |
| 6014823 | Inflatable sole lining for shoes and boots There is disclosed an inflatable lining for selected inner surfaces of footwear, such as a shoe, boot or sandal. The inflatable lining is formed of first and second plastic sheets having the shape and size of the selected inner surfaces, e.g., a sole, or ... | 01/18/2000 |
| 6009637 | Helium footwear sole The Helium filled modules as described are simple and reliable. It includes an exterior surface, the body of the module itself, which will hold the helium. Within each module are partitions, with gaps in the walls. The purpose of the gaps is to equalize t... | 01/04/2000 |
| 6006448 | Disposable third web bubble plastic slippers A scuff type slipper is produced so economically that it may be disposable, yet it has excellent cushioning properties and a sole with sufficient stiffness that the heel end will not fold under when in use. The slipper is produced from third web cushionin... | 12/28/1999 |
| 5996254 | Inflatable insole system A inflatable insole system for placement in an article of footwear for providing added comfort to the foot of a user comprises an inflatable flexible bottom cell with a plurality of upwardly extending inflatable cells. The plurality of inflatable cells in... | 12/07/1999 |
| 5996253 | Adjustable innersole for athletic shoe An innersole for a sneaker or other athletic shoe that is adjustable to impart to the innersole characteristics appropriate to the particular use to which the shoe is to be put by the wearer, such as jumping, jogging or running. The innersole, contoured t... | 12/07/1999 |
| 5992052 | Vapor permeable shoe with improved transpiration action A vapor-permeable shoe which includes an upper, a tread made of elastomer, shaped so as to form a plurality of domes whose convexity is directed toward the ground, each dome having at least one minute through slit which is normally closed due to the elast... | 11/30/1999 |
| 5993585 | Resilient bladder for use in footwear and method of making the bladder The present invention includes a method for forming a resilient bladder structure for use in the sole of footwear. The method comprises the steps of forming a shell from a flexible material to have a floor and a perimeter sidewall extending from the floor... | 11/30/1999 |
| 5987780 | Shoe sole including a peripherally-disposed cushioning bladder An athletic shoe including an upper and a sole. The sole includes a cushioning bladder including a sealed, fluid-filled tube disposed about the perimeter of the shoe. In one embodiment, the bladder includes lateral and medial portions extending about the ... | 11/23/1999 |
| 5987779 | Athletic shoe having inflatable bladder An athletic shoe is described, provided with an inflatable tongue or bladder for a more secure fit to the user's foot. The bladder may include a plurality of chambers with a valve disposed therebetween to selectively inflate the chambers. The inflatable t... | 11/23/1999 |
| 5987781 | Sports footwear incorporating a plurality of inserts with different elastic response to stressing by the user's foot Sports footwear with a vamp, and a lower support part including a sole unit, the lower support part having a lower portion or treading sole for contacting the ground and an intersole overlying the treading sole, wherein within said support part there is p... | 11/23/1999 |
| 5979078 | Cushioning device for a footwear sole and method for making the same A cushioned shoe sole includes an outer sole layer for contacting the ground surface, a midsole layer disposed above the outer sole layer and being formed of a resilient elastomeric material, and a bladder composite which includes a first bladder inflated... | 11/09/1999 |
| 5979076 | Ventilating shoe and method of making same A shoe according to a preferred embodiment of the present invention includes a novel and non-obvious sole having a rubber base and a fiber cushion. Patterned nodes are centered on the rubber base and a plurality of elongated rectangular nodes are arranged... | 11/09/1999 |
| 5975861 | Pumping assembly for use in ventilated footwear A pumping assembly for use in ventilating footwear includes a supporting plate having a first protrusion which is formed in a center portion of an upper surface thereof; front and rear check valves which are respectively formed forwardly and rearwardly th... | 11/02/1999 |
