Patents by Inventor Sandra Stehmer née Maier

Sandra Stehmer née Maier has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8237316
    Abstract: An electromotor or a generator for conveying gas and/or liquid media. The electromotor or the generator has a rotor with a rotor magnet. The rotor is surrounded by a stator. The stator has at least one stator groove limited by a stator tooth. At least a part of the stator groove serves as a medium passage opening.
    Type: Grant
    Filed: December 17, 2008
    Date of Patent: August 7, 2012
    Assignee: SycoTec GmbH & Co. KG
    Inventors: Thomas Bischof, Sandra Stehmer née Maier, Oliver Kämpfer
  • Publication number: 20090174267
    Abstract: The invention refers to an electromotor for conveying gas and/or liquid media. The invention refers also to a generator. The electromotor or the generator has a rotor with a rotor magnet. The rotor is surrounded by a stator. The stator has at least one stator groove limited by a stator tooth. At least a part of the stator groove serves as medium passage opening.
    Type: Application
    Filed: December 17, 2008
    Publication date: July 9, 2009
    Inventors: Thomas Bischof, Sandra Stehmer Nee Maier, Oliver Kampfer