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US 7,022,950 B2Granted
Thermal warming devices
OwnerWilliam S. Haas, William J. Haasinventors
Life of this patent
Estimating the term…
Abstract
A heating article including a covering and a thermal warming device for generating heat in the heating article. The covering may be in the form of a blanket or an article of clothing. The covering and the thermal warming device may be separable from each other. The covering may be disposable or reusable. The thermal warming device may be reusable.
Claims32
A heating article comprising:
- a covering having a pocket defining a pocket cavity and a pocket opening contiguous with the pocket cavity, and means for opening the pocket opening and for closing the pocket opening to enclose the pocket cavity;
- and
- a thermal warming device configured to generate heat, the thermal warming device removably receivable by the pocket cavity through the pocket opening when the opening and closing means is in an open position, the thermal warming device comprising a pouch defining a pouch cavity and a heating element received by the pouch cavity.
A heating article including:
- a covering having a pocket defining a pocket cavity and a pocket opening contiguous with the pocket cavity, and means for opening the pocket opening and for closing the pocket opening to enclose the pocket cavity;
- and
- a thermal warming device removably receivable by the pocket cavity through the pocket opening when the pocket opening is in an open position, the thermal warming device comprising a pouch defining a pouch cavity, a substrate received by the pouch cavity, and conductive ink affixed to the substrate for generating heat.
A heating article including:
- a covering having a pocket defining a pocket cavity and a pocket opening contiguous with the pocket cavity, and a flap movable between an open position for opening the pocket opening and a closed position for closing the pocket opening to enclose the pocket cavity;
- and
- a thermal warming device removably receivable by the pocket cavity through the pocket opening when the flap is in the open position, the thermal warming device comprising a pouch defining a pouch cavity, a substrate received by the pouch cavity, and conductive ink affixed to the substrate for generating heat;
- and
- a power source electrically connected to the conductive ink.
2 more elements
Dependencies are inferred from the claim text.