Patents by Inventor Francis E. Reder

Francis E. Reder 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).

  • Quadruple-tuned silencer apparatus and method for attenuating sound from an engine exhaust
    Patent number: 9874125
    Abstract: An apparatus and method for attenuating sound from an engine exhaust. The relative lengths of the expansion chambers and other components within the apparatus provide a quadruple tuning effect which attenuates sound over a wide frequency range. Attenuation at higher frequencies is also increased and extended by the use of acoustically lined internal baffle tubes inside the apparatus housing.
    Type: Grant
    Filed: October 10, 2013
    Date of Patent: January 23, 2018
    Assignee: Miratech Group, LLC
    Inventors: David Alan Nelson, Adam Merillat, Casey Don Tevebaugh, Francis E. Reder
  • QUADRUPLE-TUNED SILENCER APPARATUS AND METHOD FOR ATTENUATING SOUND FROM AN ENGINE EXHAUST
    Publication number: 20170145880
    Abstract: An apparatus and method for attenuating sound from an engine exhaust. The relative lengths of the expansion chambers and other components within the apparatus provide a quadruple tuning effect which attenuates sound over a wide frequency range. Attenuation at higher frequencies is also increased and extended by the use of acoustically lined internal baffle tubes inside the apparatus housing.
    Type: Application
    Filed: October 10, 2013
    Publication date: May 25, 2017
    Inventors: David Alan Nelson, Adam Merillat, Casey Don Tevebaugh, Francis E. Reder