Patents by Inventor Hock Loo Ng

Hock Loo Ng 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).

  • Apparatus for the combatting of underwater growth on submerged structures
    Patent number: 5791818
    Abstract: An apparatus for the removal or inhibition of underwater growth on an elongate submerged body. It includes at least one collar adapted to extend loosely around the elongate submerged body (28). The collar includes a breaker device to apply impact force on the underwater growth to break it up. The breaker device includes a voluminous body (16) into which ambient water flows in and out. The device can advantageously include rollers (12). The apparatus on a smaller scale can act to inhibit the settlement of new underwater growth.
    Type: Grant
    Filed: July 22, 1996
    Date of Patent: August 11, 1998
    Assignees: Impact Surge Sdn. Bhd., Petronas Research & Scientific Services
    Inventor: Hock Loo Ng