Patents by Inventor John B Ferris

John B Ferris 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: 6439043
    Abstract: An apparatus for the static testing of a vehicle tire to determine displacement as a function of force of the tire. A tire is placed upon several cross members that are vertically adjustable where the cross members are vertically adjusted to simulate a particular road bed profile. A tire is then forced down upon the cross members and the force created upon the cross members is measured against the displacement of the tire.
    Type: Grant
    Filed: August 30, 2000
    Date of Patent: August 27, 2002
    Assignee: DaimlerChrysler Corporation
    Inventors: John B Ferris, Mark A Froelich