Patents by Inventor Lee R. Witte

Lee R. Witte 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).

  • Marine engine exhaust system and method
    Patent number: 5259797
    Abstract: A marine engine exhaust system and method utilizes first and second enclosed, generally tubular chambers having generally parallel lengthwise dimensions and internal intermediate exhaust passageways spaced along the lengthwise dimension of the second chamber for circulating the exhaust gases through the first chamber, laterally through the intermediate exhaust passageway into the second chamber, along the lengthwise dimension of the second chamber and thence out of an outlet exhaust passageway which passes through the second chamber wall. An outer portion of the second chamber is integrally formed with an outer portion of the first chamber to enhance structural integrity.
    Type: Grant
    Filed: September 11, 1992
    Date of Patent: November 9, 1993
    Assignee: Marine Muffler Corporation
    Inventors: Charles C. Miles, Jr., Charles C. Miles, III, Emery S. Sims, III, David T. Parks, Lee R. Witte
  • Marine engine exhaust system and method
    Patent number: 5147232
    Abstract: A marine engine exhaust system and method utilizes first and second enclosed, generally tubular chambers having generally parallel lengthwise dimensions and internal intermediate exhaust passageways spaced along the lengthwise dimension of the second chamber for circulating the exhaust gases through the first chamber, laterally through the intermediate exhaust passageway into the second chamber, along the lengthwise dimension of the second chamber and thence out of an outlet exhaust passageway which passes through the second chamber wall. An outer portion of the second chamber is integrally formed with an outer portion of the first chamber to enhance structural integrity.
    Type: Grant
    Filed: August 30, 1991
    Date of Patent: September 15, 1992
    Assignee: Marine Muffler Corporation
    Inventors: Charles C. Miles, Jr., Charles C. Miles, III, Emery S. Sims, III, David T. Parks, Lee R. Witte