The United States Patent and Trademark Office (USPTO) has granted patent US12583350B2 to GM Cruise Holdings LLC for a novel heat transfer system aimed at regulating the temperature of electric vehicle (EV) batteries during charging. This system is particularly designed for charging facilities serving EV fleets, allowing fleet managers to optimize battery temperature by directing vehicles to charging stations with specific heating or cooling capabilities. The patent covers the regulation of coolant or heating fluid flow to the battery, and includes provisions for fleet managers to oversee and potentially pre-condition the heat transfer fluid based on anticipated demand.

While this is a patent grant and not a regulatory rule imposing direct compliance obligations, it signifies technological innovation in the EV fleet management and charging infrastructure sector. Companies involved in EV fleet operations, battery management systems, and charging infrastructure may wish to review this patent to understand potential future technological standards or competitive landscapes. No immediate compliance actions are required for regulated entities, but awareness of such patented technologies can inform strategic planning and R&D efforts in the rapidly evolving electric vehicle market.