Patents by Inventor S. Duane Ogden

S. Duane Ogden 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).

  • Patent number: 4139583
    Abstract: A throttle body assembly wherein a pair of throttle blades are counter-rotatably mounted in the induction passage and define at their juxtaposition venturi sections whose size is variable in accordance with the degree of rotation of the throttle blades. The blades are peripherally sealed with respect to the walls of the induction passage by means of wiper type seals affixed to each blade as well as by caged roller type seals.
    Type: Grant
    Filed: December 15, 1977
    Date of Patent: February 13, 1979
    Assignee: Chrysler Corporation
    Inventors: Donald E. Riley, Kenneth A. Graham, Ian J. C. Scott, S. Duane Ogden