Heated or cooled dishware and drinkware

This invention describes a portable cup, mug, or bottle that can actively heat or cool its contents to a user-selected temperature. It works by having at least two independent heating or cooling elements inside the body, powered by an internal battery that can be charged wirelessly. Sensors monitor the liquid's temperature, and control circuitry adjusts the elements to maintain the desired heat or cold.

Why it matters: Since 2014, wireless charging technology has become significantly more efficient and ubiquitous, while battery energy density and cost-effectiveness have improved. These advancements make the portable, wirelessly-charged, and independently controlled thermal elements of this invention more practical to implement today.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedWireless charging, battery, thermal elements, control electronics.

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