Patents by Inventor Peter A. Chang, III

Peter A. Chang, III 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).

  • Ballast structure for reducing water-mixing in ships
    Patent number: 8635967
    Abstract: A method and apparatus for reducing mixing between a first water-type and a second water-type and for increasing the efficiency of ballast water exchange procedures on a ship. The apparatus includes a plurality of ballast water tanks, each having an arrangement to reduce water-mixing. Each arrangement includes a horizontal flow restraining box and two anti-mixing brackets. The ballast water tanks are divided into a plurality of compartments including a main compartment. The arrangement to reduce the water-mixing is provided in the main compartment of each tank.
    Type: Grant
    Filed: July 28, 2011
    Date of Patent: January 28, 2014
    Assignee: The United States of America as represented by the Secretarey of the Navy
    Inventors: Peter A. Chang, III, Wesley M. Wilson
  • Fuel storing water ballast tank internally structured for reducing retention of water and overboard discharge of fuel
    Patent number: 6076480
    Abstract: A tank within a ship providing for both fuel storage and water ballast, has external walls enclosing compartments formed between internal intersect walls having flow regulating openings therein that are located and sized to establish separate interfaced flow paths along which segregated flows of fuel and water are concentrated to minimize mixing of fuel and water during refueling operation and reduce retention of water within the tank.
    Type: Grant
    Filed: February 11, 1999
    Date of Patent: June 20, 2000
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Peter A. Chang, III, Brian Hill, Dan Bruchman, Ray Schmitt, Carl Schmid, Scott Jackson