Patents by Inventor Chris Robert Straesser

Chris Robert Straesser 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).

  • Apex seal for rotary engines
    Patent number: 4100664
    Abstract: An improved seal for a rotary engine to reduce leakage at the rotor apex under normal operating temperatures. Opposite edges of the seal have differing coefficients of thermal expansion so that as the seal heats up, thermal expansion forces cancel the effect of non-uniform temperature across the seal to insure flush contact with the housing wall.
    Type: Grant
    Filed: September 22, 1975
    Date of Patent: July 18, 1978
    Assignee: Caterpillar Tractor Co.
    Inventor: Chris Robert Straesser
  • Wear-resistant composite track link
    Patent number: 3955855
    Abstract: A track-type vehicle having a track made up of links with contact surfaces of high wear-resistant material engaging with the track rollers as the track is driven on the vehicle. The high wear-resistant material may be a composite alloy metallurgically bonded into a groove in the contact surface.
    Type: Grant
    Filed: April 17, 1975
    Date of Patent: May 11, 1976
    Assignee: Caterpillar Tractor Co.
    Inventors: Charles G. Massieon, Chris Robert Straesser