Heated or cooled dishware and drinkware

This invention describes a portable container, like a cooler, designed to keep liquids at a specific temperature. It has double walls with a vacuum in between for insulation, and a built-in system that actively cools (or heats) the liquid. This system includes power storage, wireless charging, and sensors to maintain the desired temperature, though the claims specifically focus on a *cooler* container with vacuum insulation.

Why it matters: Since 2018, advancements in battery energy density and wireless charging efficiency have made portable active temperature control systems more practical. This could improve the performance and user experience of such a device.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedVacuum insulation, active cooling, wireless power, control electronics

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