In 1847 Siemens & Halske was established in Berlin-Kreuzberg by Werner von Siemens and Johann Georg Halske to manufacture telegraph equipment based on the 1837 Cooke-Wheatstone patent. In 1903 Siemens & Halske merged with Schuckert & Co. of Nuremberg, and the merged company became Siemens-Schuckert GmbH, also known as Siemens-Schuckert Werke GmbH.
Siemens-Schuckert was primarily focused on telecommunications but they also manufactured electric motors and handheld electric drills. Electric drills were manufactured into the 1950s and perhaps for longer.