US Patent No: 4,611,413

Number of patents in Portfolio can not be more than 2000

Reinforced orthotic insert

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Abstract

A rigid orthotic insert having an elongate reinforcing member at a localized position in the orthotic. The reinforcing member comprises a fiberglass reinforced plastic core, around which is wrapped several layers of a sheet made of graphite fibers impregnated with resin. The graphite fibers are oriented with the lengthwise axis of the reinforcing member, and these are formed as an integral part of the insert.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
NORTHWEST PODIATRIC LABORATORY, INC.FERNDALE, WA24

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brown, Dennis N Blaine, WA 51 874

Cited Art

Patent Info (Count) # Cites Year
 
APEX FOOT PRODUCTS CORPORATION (1)
4,325,380 Orthotic device for the heel of a person's foot 24 1980
 
BROCHIER & FILS (1)
4,368,234 Woven material and layered assembly thereof 42 1980
 
CLINT, INC. (1)
4,435,910 Shoe insole 76 1982
 
DAY INTERNATIONAL CORPORATION (1)
4,186,499 Construction for absorbing odors caused by perspiration and method of making same 25 1978
 
IRWIN; J. MICHAEL (1)
4,520,581 Custom footbed support and method and apparatus for manufacturing same 53 1981
 
NORTHWEST PODIATRIC LABORATORY, INC. (1)
4,413,430 Skate boot insert 13 1981
 
TOHO BESLON CO., LTD. (1)
4,231,169 Insole and method of producing the same 52 1978
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (2)
4,232,457 Orthotic insert 44 1979
4,439,934 Orthotic insert 31 1982

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
NORTHWEST PODIATRIC LABORATORY, INC. (3)
5,772,945 Composite material orthotic insert constructed by two step molding 5 1995
5,960,566 Composite material orthotic insert constructed for enhanced control and durability 7 1997
6,485,661 Method of making a composite material orthotic insert for enhanced control and durability 4 1999
 
ORTHOPEDIC DESIGNS, INC. (2)
6,860,034 Energy return sole for footwear 18 2001
6,944,972 Energy return sole for footwear 19 2003
 
HAPPI, INC. (GLADWYNE, PA) (1)
5,015,427 Process for making an orthotic footwear insert 16 1989
 
HEXCEL CORPORATION (1)
5,401,564 Materials and processes for fabricating formed composite articles and use in shoe arch 32 1993
 
NIKE, INC. (1)
7,832,117 Article of footwear including full length composite plate 3 2006
 
NXTMILE, LLC (1)
D659968 Insole for sport specific footwear 0 2010
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (3)
4,651,445 Composite sole for a shoe 100 1985
5,142,797 Shoe employing negative toe rocker for foot muscle intensive sports 9 1991
5,179,791 Torsional spring insole and method 46 1991