US Patent 11878278 Versatile beverage-temperature modulator and spill preventer

A heating and stirring device is described herein that comprises a base configured to removably attach to one of a beverage container and a beverage container lid, the base containing a power supply, a controller, and a motor, and an agitator having a body and a length with a first end portion configured to be supported by the base, and a second end portion, wherein the first terminal end is configured to be outside of the beverage container and the second end portion is configured to be inside of the beverage container. Corresponding systems and methods also are disclosed.