Patents by Inventor Robert Mac Vicar

Robert Mac Vicar 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).

  • Cyclinder head with improved heat transfer and valve seat cooling
    Publication number: 20050193966
    Abstract: An improvement to a diesel engine cylinder head disclosed in U.S. Pat. No. 4,860,700, wherein the improvement comprises any of: a by-pass opening formed in partition walls thereof; a spine density of less than about five spines per square inch; spacing an inner chamber wall surface thereof with respect to an inner fire-face wall surface thereof between about 0.75 inches and 0.25 inches; coolant by-pass ports thereof having a cross-section of between about 0.1875 inches and 0.0625 inches; and a radial rib thereof extending complete and free of any rib opening.
    Type: Application
    Filed: January 24, 2005
    Publication date: September 8, 2005
    Inventors: Robert Mac Vicar, Vijaya Kumar, John Zagone