Patents by Inventor Marco Pietrzky

Marco Pietrzky 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).

  • SILENCER DEVICE FOR A FLUID LINE AND HEATING UNIT HAVING A SILENCER DEVICE
    Publication number: 20130327584
    Abstract: The present invention relates to a silencer device for a fluid line which comprises a resonator arrangement which comprises a first resonator tube comprising a first resonator chamber designed for a ?/4 damping of at least one sound wavelength, wherein the first resonator tube comprises a first longitudinal direction, two end walls facing each other in the first longitudinal direction and a first side wall extending between the end walls, and wherein the first resonator chamber is formed between the first side wall and the end walls of the first resonator tube.
    Type: Application
    Filed: October 26, 2011
    Publication date: December 12, 2013
    Inventors: Harald Trumler, Marco Pietrzky, Werne Zimmermann, Nikolaus Gerhardt, Peter Neidenberger