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| Number | Title | Issue Date |
| 4342158 | Biomechanically tuned shoe construction A biochemically tuned shoe has a heel construction that provides a force-deflection response which is optimal for a particular person and a particular use. The heel construction features a main spring that is characterized by a large vertical compliance w... | 08/03/1982 |
| 4322893 | Independent insole assembly An independent insole assembly embodying an insole attachment member, or both insole and sole attachment members, each of which is integrally formed with depending pegs or clips for connection to spaced resilient means or springs that are interposed betwe... | 04/06/1982 |
| 4316335 | Athletic shoe construction An athletic shoe which has a light-weight and readily flexible sole construction including shock absorbing portions in the heel and forefoot areas of the sole having different shock absorbing porperties with the shock absorbing portion in the heel area ha... | 02/23/1982 |
| 4316332 | Athletic shoe construction having shock absorbing elements An athletic shoe construction having shock absorbing elements in the heel and forefoot areas of the sole portion of the shoe which elements are surrounded on their sides by comparatively hard rim portions of a sole shell or mid-sole.... | 02/23/1982 |
| 4297796 | Shoe with three-dimensionally transmitting shock-absorbing mechanism A shock-absorbing athletic shoe having a foot-cushioning inner sole member to one face in which, and to at least a portion of the rim in which, is bonded an open-mesh web. The web includes elongated, interwoven stretch-resistant strands which are disposed... | 11/03/1981 |
| 4287307 | Integral skin microcellular polyester base polyurethane elastomers Synthesis of integral skin microcellular polyurethane elatomers by reacting hydroxyl-terminated aliphatic polyesters with symmetrical diisocyanates, prepolymers of these isocyanates such as derived from p,p'-diphenylmethane diisocyanate and an aliphatic g... | 09/01/1981 |
| 4283864 | Cushioning material construction A cushioning material system or construction having at least one module comprising balanced levers and displaceable bearing means, as incorporated in footwear, and such a cushioning material further comprising bearing plates attached to a plurality of sai... | 08/18/1981 |
| 4271605 | Flexible foot support A flexible foot wrap is provided for supporting the metatarsal arch region of the foot and is adapted for use during activities requiring foot covering. The foot wrap has a fabric panel that supports a cushion, and a strap that extends around the heel of ... | 06/09/1981 |
| 4267648 | Shoe sole with low profile integral spring system Footwear is provided in which a low profile shock absorbing spring system is disposed within the bottom thereof. A plurality of individual shallow springs are mounted in spaced side-by-side relation within a chamber formed in the bottom of the shoe betwee... | 05/19/1981 |
| 4259792 | Article of outer footwear The invention concerns an article of footwear comprising a footwear upper attached to a footwear base, said footwear base comprising a sole part and a heel part, said heel part having an upper surface on which the weight of a person's foot will press and ... | 04/07/1981 |
| 4253252 | Ski boot A ski boot comprising an outer boot having a sole on which an improved foot supporting insert rests, the insert including a footbed supported by a rear heel balance post, a central metatarsal balance pad and a forward toe balance pad, the insert forming a... | 03/03/1981 |
| 4251932 | Foot cushioning device A first sheet of rubber adapted to be put under a shoe and secured in place over the top of the shoe has a sole portion made up of the first sheet of rubber, a layer of foam rubber and an inner layer of sheet rubber sewn to the first sheet to enclose the ... | 02/24/1981 |
| 4237625 | Thrust producing shoe sole and heel A thrust producing shoe sole and heel having fluid-proof cavities respectively located in the heel portion and in the sole portion which underlies the metatarsal ball area of a foot for which the sole and heel is sized, the two cavities being connected by... | 12/09/1980 |
| 4235026 | Elastomeric shoesole An elastomeric shoesole designed specifically for athletic activities wherein the sole contains at the outer side of the heel and/or the inner side of the ball transversely-extending, longitudinally-spaced openings which extend to approximately the longit... | 11/25/1980 |
| 4229889 | Pressurized porous material cushion shoe base An air cushion shoe base has a sole and a vertical rim within which is filled in air tight relation with foam rubber which is tightly covered by an insole. The foam rubber forms small metering orifices for restricting and delaying fluid flowing forward an... | 10/28/1980 |
| 4187620 | Biomechanical shoe A shoe is disclosed utilizing interrelated structural elements for dynamic cooperation with the human foot to reduce the likelihood of injury or deterioration during strenuous activity or over extended intervals of time, while affording greater comfort an... | 02/12/1980 |
| 4170078 | Cushioned foot sole A cushioned sole for the foot which is hollow and resilient the interior having contained a fluid or other flowable material, such as sand and the like, the sole having for a principal purpose the affording of maximum comfort for the wearer. Small air val... | 10/09/1979 |
| 4144659 | Ski boot A ski boot comprising an outer boot having a sole on which an improved foot supporting insert rests so as to be selectively laterally tiltable relative to the sole within the shoe. Inversion or eversion of the foot alone causes the insert to tilt, thereby... | 03/20/1979 |
| 4128950 | Multilayered sole athletic shoe with improved foam mid-sole An athletic shoe of reduced weight is described employing low density, closed cell, synthetic plastic foam for an intermediate sole layer and/or heel lift sole layer between a harder outer sole layer and the shoe upper. The foam is a polyethylene or ethyl... | 12/12/1978 |
| 4102061 | Shoe sole structure A shoe has an insole, an outsole, and a midsole situated between the insole and outsole, with a wedge member being situated between the midsole and outsole at a heel region thereof and extending from the heel region toward an arch region thereof. This wed... | 07/25/1978 |
| 4074446 | Ski boot A ski boot generally comprising an outer boot having an upper shell and a sole attached to the bottom of the upper shell. When the ski boot is in place, the outer boot is fixed to a ski. A laterally tiltable insert rests upon the portion of the sole insid... | 02/21/1978 |
| 4043058 | Athletic training shoe having foam core and apertured sole layers A straight last athletic training shoe is described employing a foam core sole layer and an apertured sole layer between a harder outer sole layer and the shoe upper. The apertured sole layer provides lightweight cushioning and is preferably a heel lift l... | 08/23/1977 |
| 4008530 | Inflatable sole shoe A shoe formed with an inflatable sole adaptable for filling with a fluid under pressure. The inflatable sole section extends from the front to the rear of the shoe and is fitted on the side with a flush mounted valve for inflating or deflating the sole. A... | 02/22/1977 |
| 4005531 | Foot cooler A method of preventing feet from becoming hot and muggy by a process which is practical, comfortable, and beneficial. The method permits the subject to move about outdoors in the hot sun and/or indoors in a non-airconditioned building, during the summer m... | 02/01/1977 |
| 4000566 | Shock absorbing athletic shoe with air cooled insole Disclosed herein is a shoe construction, especially well suited for athletic footwear, comprising a one-piece molded sole having a bottom tread surface and an upper "fully orthopedic" foot supporting surface, a plurality of primary canals formed at the up... | 01/04/1977 |
| 3990159 | Therapeutic personalizable health shoe A new therapeutic health shoe which can be personalized to fit the needs of the user by altering walking patterns by means of transferring the weight of the wearer from one part of the foot to another thereby affecting the angle of the foot with the angle... | 11/09/1976 |
| 3968577 | Method and construction of footwear incorporating a customized, form fitted casting unit A casting unit in the sole of footwear is custom shaped to the foot of the user. The casting unit comprises a layer of a formable material, the upper surface of which is shaped to the contour of the foot by stepping down on the casting unit. This applies ... | 07/13/1976 |
