Patents by Inventor Chiu-Chan Lin

Chiu-Chan Lin 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: 5290437
    Abstract: An auto-flushing drainage filter system including a drum filter fastened to the lowest bottom of a fishpond, cylindrical brushes fastened inside the drum filter to remove debris and impurities from the water passing through, a first water pump to pump water from the fishpond through a clean water recycling pipe via the drum filter for circulation and filtration, a second water pump to pump a sudden rush of water from the fishpond into a drain pipe through the drum filter for carrying debris and impurities away from the drum filter.
    Type: Grant
    Filed: June 21, 1993
    Date of Patent: March 1, 1994
    Inventor: Chiu-Chan Lin