The United States Patent and Trademark Office (USPTO) has granted patent US12582979B2 to TOYOTA JIDOSHA KABUSHIKI KAISHA for a novel method of maintaining a cooling system. The patented method specifically details the introduction of ion exchange resin into a cooling path to perform ion cleaning of the coolant, followed by the addition of an additive after the resin is removed. This patent, filed on June 9, 2023, with 7 claims, focuses on advancements in cooling system technology.

This patent grant is primarily of informational value to manufacturers and researchers in the automotive and energy sectors, particularly those involved in battery technology (H01M) and related cooling systems. While it does not impose new regulatory obligations or compliance deadlines on entities, it signifies a new technological development that may influence future industry standards or product designs. Companies operating in this space should be aware of this patented technology, especially if their operations involve similar cooling system maintenance methods.