ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,697,196, issued on Aug. 4, was assigned to Powerclaim GmbH (Munich).
"Pressure-safe electric toothbrush" was invented by Bastian Best (Munich).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric toothbrush head includes a bristle field with responsive bristles that decrease in stiffness in response to excessive brushing pressure. The toothbrush head also features a mechanical force-protection mechanism, which induces a reversible displacement of the bristle field in response to excessive brushing force. These features help to mitigate the effects of excessive force and provide a safer brushing experience."
The patent was filed on Aug. 20, 2025, un...