Patents by Inventor Ching W. Kwok

Ching W. Kwok 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: 5456197
    Abstract: A barge-like vessel for removing floating debris from harbours and canals includes a powered barge section and a front mounted collection basin. The collection basin is substantially the same width as the barge and includes a front opening so that debris floating in the water will pass into the inlet opening as the vessel proceeds across the water. Surface water entering the inlet opening passes through a meshed collection basket and exits aft of the collection basin and ahead of the hull. The vessel includes a haulage system comprising a track so that the collection basket may be lifted from the skimming or collection position and moved rearwardly to dump contents into a hold in the vessel. The track which supports the collection basket during movement may include a switch section so that the basket may be emptied in optional positions by opening the switch section.
    Type: Grant
    Filed: October 31, 1994
    Date of Patent: October 10, 1995
    Inventor: Ching W. Kwok