Patents by Inventor Diosdado L. Cocjin

Diosdado L. Cocjin 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).

  • Spilled oil retriever and anti-water pollution water craft
    Patent number: 4033876
    Abstract: A water craft having a pointed bow incorporates curved vertically pivotable gates to partially form the pointed bow along with an underwater scoop having a horizontal surface beneath the water with the gates opening to permit water and oil to move onto that surface and upward over an inclined surface leading to a horizontal trough amidships above the water craft line which trough opens for gravity deposit of the oil and water into a water and oil separating tank within the rear of the water craft hull.
    Type: Grant
    Filed: February 6, 1976
    Date of Patent: July 5, 1977
    Assignee: Diosdado L. Cocjin
    Inventors: Diosdado L. Cocjin, Artemio M. Masongsong