Patents by Inventor Jing-Zhi Lin

Jing-Zhi 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).

  • Water filter
    Patent number: 5269922
    Abstract: The present invention is related to a water filter and particularly to a water filter with a rotary filter tube, comprising a water filter cylinder and a plurality of filter leaf thimbles so that there is a maximum filter course in a certain filter space for water filtering. It is very convenient to replace the filter leaves (thimbles) outside the water inlet pipe (port).
    Type: Grant
    Filed: December 8, 1992
    Date of Patent: December 14, 1993
    Inventor: Jing-Zhi Lin