https://patentbrief.org/company/societe-de-commercialisation-des-produits-de-la-recherche-appliquee-socpra Plain-English explanations of patents assigned to Societe de Commercialisation des Produits de la Recherche Appliquee SOCPRA, newest first. en-us Mon, 24 Aug 2026 00:36:24 GMT https://patentbrief.org/patent/us/8209052/high-performance-differential-actuator-for-robotic-interaction-tasks This patent describes a compact robot actuator that uses a special gear system and two motors with different electrical resistance to precisely control both the force and speed applied to a robotic arm or tool. Tue, 26 Jun 2012 00:00:00 GMT https://patentbrief.org/patent/us/8209052/high-performance-differential-actuator-for-robotic-interaction-tasks