Patents by Inventor Choong W. Kim

Choong W. Kim 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).

  • Patent number: 4681508
    Abstract: A supercavitation centrifugal pump comprising an impeller casing defining an impeller chamber, a discharge port and a suction port operatively connected to the impeller casing, a water inlet means disposed within the impeller casing for the introduction of water into the impeller chamber, impeller means disposed to move eccentrically within the impeller chamber to a location in close proximity to the impeller casing, the water inlet means being positioned within the impeller casing at the location for facilitating the conveyance through said centrifugal pump whereby the pump is free from abrasion caused by solid maters in the fluid.
    Type: Grant
    Filed: November 28, 1986
    Date of Patent: July 21, 1987
    Inventor: Choong W. Kim