Patents by Inventor Sebastian Zappe

Sebastian Zappe 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).

  • Trimmer Line Spool for a Trimmer Head
    Publication number: 20210168997
    Abstract: A trimmer line spool has first and second spool chambers for a trimmer line. First and second holder pairs are provided. The first holder pair has first and second trimmer line holders associated with the first spool chamber and the second spool chamber, respectively. The second holder pair has first and second trimmer line holders associated with the first spool chamber and the second spool chamber, respectively. The trimmer line holders of the first holder pair each have a first opening for the trimmer line. The trimmer line holders of the second holder pair each have a second opening for the trimmer line. A diameter of the first openings is larger than a diameter of the second openings. The first openings are positioned at an angle of 150° to 210° to each other. The second openings are positioned at an angle of 150° to 210° to each other.
    Type: Application
    Filed: November 30, 2020
    Publication date: June 10, 2021
    Inventors: Sebastian Schmidt, Simon Haug, Sebastian Zappe, Christoph Brenner, Achim Rethaber, Björn Petersen, Stefan Buchner