Patents by Inventor Rui-Dong LI

Rui-Dong LI 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).

  • Recycling Method for Waste Ceramic Filters
    Publication number: 20130319461
    Abstract: Disclosed is a recycling method for waste ceramic filters, and the recycling method includes the steps of heating a waste ceramic filter that no longer has the oil filtering effect, applying an acid to the waste ceramic filter to remove unwanted substances attached on the filter, performing a washing or dewatering step to remove any acid solution remained on the ceramic filter, and performing a drying step to dry the ceramic filter.
    Type: Application
    Filed: May 30, 2013
    Publication date: December 5, 2013
    Inventors: Jenn-Shing WANG, Rui-Dong LI, Yu-Ching WANG, Jia-Yu WU