Patents Assigned to Humphrey Cycle Engine Partners, L.P.
  • Internal combustion engine
    Patent number: 4805571
    Abstract: A two- or four-stroke internal combustion engine is provided having individual features and combinations of features not heretofore known which provide enhanced power, efficiency and braking performance compared to known engines.
    Type: Grant
    Filed: September 15, 1986
    Date of Patent: February 21, 1989
    Assignee: Humphrey Cycle Engine Partners, L.P.
    Inventor: Duane W. Humphrey