Patents by Inventor Choon Hwang Lee

Choon Hwang Lee 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 eliminating and preventing marine growth on offshore structures
    Patent number: 5765968
    Abstract: An apparatus powered by waves, currents, or tides for eliminating or preventing marine growth on a structure. The apparatus includes (a) at least one ring adapted to surround a submerged support member of the structure, the at least one ring being substantially continuous; (b) at least one pair of rollers rotatable against a surface of the support member for cleaning the surface of the support member; and (c) a linking member for linking the roller means to the ring without interrupting continuity of the substantially continuous ring and for allowing rotation of the rollers against the surface of the support member in response to forces generated by the waves, currents or tides.
    Type: Grant
    Filed: December 13, 1995
    Date of Patent: June 16, 1998
    Assignees: Petronas Research & Scientific Services SDN. BHD, Impact Surge SDN. BHD.
    Inventor: Choon Hwang Lee