Patents by Inventor Christian Rohrmoser

Christian Rohrmoser 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).

  • Riding lawn mower
    Patent number: 11622503
    Abstract: A riding lawn mower has an internal combustion engine and a muffler with a first housing. The internal combustion engine is connected to the muffler to supply exhaust gases originating from the internal combustion engine to the first housing of the muffler for noise damping of the exhaust gases. A second housing is provided that thermally insulates the first housing of the muffler. The second housing at least partially encloses the first housing of the muffler. The second housing has an exterior side with an emissivity of greater than 0.8.
    Type: Grant
    Filed: January 11, 2021
    Date of Patent: April 11, 2023
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Werner Ludwig, Christian Rohrmoser
  • Riding Lawn Mower
    Publication number: 20210219492
    Abstract: A riding lawn mower has an internal combustion engine and a muffler with a first housing. The internal combustion engine is connected to the muffler to supply exhaust gases originating from the internal combustion engine to the first housing of the muffler for noise damping of the exhaust gases. A second housing is provided that thermally insulates the first housing of the muffler. The second housing at least partially encloses the first housing of the muffler. The second housing has an exterior side with an emissivity of greater than 0.8.
    Type: Application
    Filed: January 11, 2021
    Publication date: July 22, 2021
    Inventors: Werner Ludwig, Christian Rohrmoser