Patents by Inventor Dean P. Bergman

Dean P. Bergman 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).

  • Internal combustion engine
    Patent number: 6769383
    Abstract: Improved internal combustion engine, particularly, an improved two-stroke, diesel aircraft engine. The invention includes a new wrist pin/connecting rod connection, a new cooling system for fuel injectors, a new cylinder head cooling arrangement, a new cooling jacket cross-feed arrangement, and a new combustion seal arrangement.
    Type: Grant
    Filed: January 24, 2003
    Date of Patent: August 3, 2004
    Assignee: DeltaHawk, Inc.
    Inventors: Douglas A. Doers, Dean P. Bergman
  • Internal combustion engine
    Publication number: 20030106503
    Abstract: Improved internal combustion engine, particularly, an improved two-stroke, diesel aircraft engine. The invention includes a new wrist pin/connecting rod connection, a new cooling system for fuel injectors, a new cylinder head cooling arrangement, a new cooling jacket cross-feed arrangement, and a new combustion seal arrangement.
    Type: Application
    Filed: January 24, 2003
    Publication date: June 12, 2003
    Applicant: DeltaHawk, Inc.
    Inventors: Douglas A. Doers, Dean P. Bergman
  • Marine propulsion unit having exteriorly accessible clean-out capability and flushing device for same
    Patent number: 5490804
    Abstract: A marine propulsion unit is disclosed which has an exteriorly accessible clean-out capability. The unit has an impeller housing located outside of the transom of a marine craft in which the unit is installed, which impeller housing has a separable portion that permits access to the main passage including the impeller when separated. The design also permits insertion of a hose connected fitting for backflushing the cooling system of the power head of the unit.
    Type: Grant
    Filed: September 27, 1994
    Date of Patent: February 13, 1996
    Assignee: Outboard Marine Corporation
    Inventors: Clarence E. Blanchard, Duane E. Rogers, Charles B. Hall, Robert Mooney, W. Scott Craig, Dean P. Bergman
  • Internal combustion engine
    Patent number: RE40500
    Abstract: Improved internal combustion engine, particularly, an improved two-stroke, diesel aircraft engine. The invention includes a new wrist pin/connecting rod connection, a new cooling system for fuel injectors, a new cylinder head cooling arrangement, a new cooling jacket cross-feed arrangement, and a new combustion seal arrangement.
    Type: Grant
    Filed: August 3, 2006
    Date of Patent: September 16, 2008
    Assignee: DeltaHawk Engines, Inc.
    Inventors: Douglas A. Doers, Dean P. Bergman