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US 6,770,848 B2Granted
Thermal warming devices
OwnerWilliam S. Haas, William J. Haasinventors
Life of this patent
Estimating the term…
Abstract
A temperature control device comprising a heater element and a power source. The heater element having a conductive ink affixed to a substrate. The power source connected to the conductive ink to supply power to said conductive ink, thereby heating the heater element.
Claims14
A blanket comprising a pocket defining a substantially enclosed pocket space;
- a substrate having upper and lower sides;
- a heating matrix associated with the substrate, the heating matrix including a circuit printed on at least one side of the substrate;
- a pouch defining a substantially enclosed pouch space receiving the substrate with the heating matrix thereon;
- the pouch being removably received in the pocket space;
- and
- means for connecting the heating matrix to a power source.
3 more elements
A blanket comprising a substrate of polyethylene film having upper and lower sides;
- a heating matrix associated with the polyethylene film, the heating matrix having a heating circuit printed on at least one side of the substrate of the polyethylene film;
- a pocket defining a substantially enclosed pouch space;
- a pouch defining a substantially enclosed pouch space receiving the substrate with the heating matrix thereon substrate;
- the pouch being removably received in the pocket and means for connecting the heating matrix to a power source.
1 more element
A heating article comprising:
- a pocket defining a substantially enclosed pocket space;
- a substrate having upper and lower sides;
- a heating matrix associated with the substrate, the heating matrix including a circuit printed on at least one side of the substrate;
- a pouch defining a substantially enclosed pouch space receiving the substrate with the heating matrix thereon;
- the pouch being removably received in the pocket space;
- and means for connecting the heating matrix to a power source.
3 more elements
Dependencies are inferred from the claim text.