Patents by Inventor Sonja Leistner

Sonja Leistner 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).

  • PROTECTIVE COATING AND USE THEREOF FOR OVERHHEAD TROLLEY WIRE INSULATORS
    Publication number: 20100129631
    Abstract: One embodiment of the present invention discloses a coating for overhead trolley wire insulators, particularly in the area of rail electrification and energy transmission, which can be produced easily and inexpensively. For this purpose, particles and micro powders, hydrophobic particles in particular, are incorporated into the protective laquer.
    Type: Application
    Filed: May 2, 2008
    Publication date: May 27, 2010
    Inventors: Anett Berndt, Rudolf Gensler, Heinrich Kapitza, Sonja Leistner, Axel Schmieder, Heinrich Zeininger