Patents by Inventor Leonard J. Dryer

Leonard J. Dryer 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).

  • Catalytic converter and substrate support
    Patent number: 5118476
    Abstract: A catalytic converter of the automotive type comprises a converter housing body with a reduced central section that compresses a support mat around a substrate, the ends of the body being spherical for attachment to spherical flanges on end bushings or being an integral part of the body. The method of manufacturing the converter substrate and converter is also disclosed.
    Type: Grant
    Filed: September 21, 1990
    Date of Patent: June 2, 1992
    Assignee: Tennessee Gas Pipeline Company
    Inventors: Leonard J. Dryer, Thomas J. Schwarte
  • Catalytic converter and substrate support
    Patent number: 4969264
    Abstract: A catalytic converter of the automotive type comprises a converter housing body with a reduced central section that compresses a support mat around a substrate, the ends of the body being spherical for attachment to spherical flanges on end bushings or being an integral part of the body. The method of manufacturing the converter substrate and converter is also disclosed.
    Type: Grant
    Filed: April 1, 1988
    Date of Patent: November 13, 1990
    Assignee: Tennessee Gas Pipeline Company
    Inventors: Leonard J. Dryer, Thomas J. Schwarte