Patents by Inventor Shun-dar Lin

Shun-dar 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: 6571737
    Abstract: A device for managing the fish-raising circulatory water includes a water-storing tank, a filter, an activated carbon filter, a critical filter, a powerful oxidizing device and an ozone sterilizing device, possible to supply raising water of the best quality according to various requirements, and able to check and test the PH value and the amount of oxygen of the fish-raising water by way of a store barrel connected to the critical filter.
    Type: Grant
    Filed: March 20, 2002
    Date of Patent: June 3, 2003
    Inventors: Sheng-I Leu, Guin-I Leu, Shun-dar Lin, Shu-Ching Huang