Siemens logo Posted on June 26, 2015 by admin Siemens logo Sign - Symbol - Watermark - Trademark - Company logo. The below image is of the Siemens logo showing the sign by itself or the logo including the brand name of the relevant organization. Siemens logo Tags: siemens, siemens brand, siemens logo, siemens logos, siemens sign, siemens symbol, siemens trademark