Patents by Inventor Robert Mackert

Robert Mackert 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).

  • Fluid conduit system incorporating self-aligning fitting
    Patent number: 5033435
    Abstract: A fluid conduit system especially for high pressure fuel connections in engines comprises an elongate tube having a fitting asssembly mounted at each end thereof. Each fitting assembly is identical to the other and includes a stepped outer diameter sleeve member having a larger diameter distal portion and a narrower proximal portion. A nut is slidably received about the tube and has a threaded bore therein which is of a diameter greater than the diameter of the larger diameter portion of the sleeve member and a proximal flange surrounding a reduced diameter bore having a diameter substantially greater than the diameter of the narrower portion of the sleeve member but less than the diameter of the larger diameter portion of the sleeve member.
    Type: Grant
    Filed: May 10, 1989
    Date of Patent: July 23, 1991
    Assignee: Navistar International Transportation Corp.
    Inventors: Joseph V. Ostarello, Eugene Lingl, Robert Mackert