US 12,336,061 B2
Heated blanket
Michael P. Seacord, Davisburg, MI (US); and Laurence C. Begin, Milford, MI (US)
Filed by Neptech, Inc., Highland, MI (US)
Filed on Mar. 16, 2021, as Appl. No. 17/203,676.
Claims priority of provisional application 62/990,207, filed on Mar. 16, 2020.
Prior Publication US 2021/0289589 A1, Sep. 16, 2021
Int. Cl. H05B 3/14 (2006.01); A47G 9/02 (2006.01); G05D 23/24 (2006.01); H05B 3/18 (2006.01); H05B 3/34 (2006.01)
CPC H05B 3/145 (2013.01) [A47G 9/0215 (2013.01); A47G 9/0223 (2013.01); G05D 23/24 (2013.01); H05B 3/18 (2013.01); H05B 3/342 (2013.01); H05B 2203/009 (2013.01); H05B 2203/011 (2013.01); H05B 2203/017 (2013.01); H05B 2203/02 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A blanket comprising:
a first outer panel defining a first area;
a self-regulating heating element proximate to said first outer panel and extending within a second area coextensive with the first area of the first outer panel, said self-regulating heating element formed as a polymer sheet;
an insulating layer provided between said first outer panel and said self-regulating heating element;
a power source in sole electronic communication with said self-regulating heating element within said blanket; and
a second outer panel proximate to said self-regulating heating element and coextensive with the first area defined by the first outer panel, and joined to said first outer panel;
wherein said first outer panel and said second outer panel contain said self-regulating heating element, and
wherein said self-regulating heating element has a maximum wattage density of 350-500 watts per square meter, and said self-regulating heating element consists of a conducting element, an insulating element, and a rigid non-conductive element, said conducting element disposed upon or within said rigid non-conductive element and said insulating element.