Patents Represented by Law Firm Malin, Haley, DiMaggio & Cosby
  • Submerged marine exhaust system
    Patent number: 5505644
    Abstract: An improved marine engine exhaust system for discharging engine exhaust above the water line when at idle or low speeds, and below the surface of the water at high speed in a submerged turbulent region generated by a hydrodynamic fitting fixed to a the undersurface of the vessel hull, wherein the gas is maintained for a period of time, until the low pressure area following the vessel has passed.
    Type: Grant
    Filed: January 18, 1995
    Date of Patent: April 9, 1996
    Assignee: Ray Industries, Inc.
    Inventors: Frank B. Ousley, II, Douglas A. Keehn, Jr., William W. Powell, John R. Hamm