Patents by Inventor Francis Schulte

Francis Schulte 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: 20050061578
    Abstract: A device and method for muffling the sound from an internal combustion engine is described, wherein the device is a tube made of a suitable material such as rubber and is attached to the exhaust outlet of the vehicle. Further described is a method of muffling the sound of an internal combustion engine that is comprised of taking a length of tubing having a spring disposed therein, and attaching one end of the tubing to the outlet of the exhaust of an internal combustion engine, and directing the other end of the tubing toward the ground surface, by forming an approximate ninety degree bend, such that the second end of the tubing is in close proximity with the ground surface, with the result that the sound level of the exhaust from the engine is substantially reduced.
    Type: Application
    Filed: November 16, 2004
    Publication date: March 24, 2005
    Inventor: Francis Schulte
  • Publication number: 20040099475
    Abstract: A device and method for muffling the sound from an internal combustion engine is described, wherein the device is a tube made of a suitable material such as rubber and is attached to the exhaust outlet of the vehicle. Further described is a method of muffling the sound of an internal combustion engine that is comprised of taking a length of tubing, having two ends and attaching one end of said tubing to the outlet of the exhaust of an internal combustion engine, and directing the other end of said tubing toward the ground surface, by forming an approximate ninety degree bend, such that this second end of the tubing is in close proximity with the ground surface, with the result that the sound level of the exhaust from the engine is substantially reduced.
    Type: Application
    Filed: November 21, 2002
    Publication date: May 27, 2004
    Inventor: Francis Schulte