Patents by Inventor IIja Prygunkov

IIja Prygunkov 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).

  • Publication number: 20180370510
    Abstract: A pneumatic brake booster in which, for improving the sealing and simplifying the assembly of sealing elements, it is proposed that the booster housing in the bearing region of at least one sealing element has a metal coating having a surface roughness Ra>1.2.
    Type: Application
    Filed: December 6, 2016
    Publication date: December 27, 2018
    Inventors: Rene Peter Eberhart, Jürgen Faller, Ralf Jakobi, IIja Prygunkov, Andreas Weiss