Patents by Inventor Fang-Chia Chang

Fang-Chia Chang 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: 7544297
    Abstract: The present invention relates to a filtration device of water pump comprising a water inlet at the water inlet end and a water outlet at the water outlet end, water flow being caused by the impeller, which is driven by the power source, to move from the water inlet to the water outlet, wherein one or more filtration device(s) is(are) assembled in at least one of the water inlet end and the water outlet end, and thereby clean water is obtained by the water passing through the filtration device along with the pumping action conducted by the water pump. Therefore, both effects of providing water flow with sufficient water pressure and clean water quality can be achieved therewith.
    Type: Grant
    Filed: February 16, 2007
    Date of Patent: June 9, 2009
    Inventors: Ming-Jung Wu, Fang-Chia Chang
  • Publication number: 20080197068
    Abstract: The present invention relates to a filtration device of water pump comprising a water inlet at the water inlet end and a water outlet at the water outlet end, water flow being caused by the impeller, which is driven by the power source, to move from the water inlet to the water outlet, wherein one or more filtration device(s) is(are) assembled in at least one of the water inlet end and the water outlet end, and thereby clean water is obtained by the water passing through the filtration device along with the pumping action conducted by the water pump. Therefore, both effects of providing water flow with sufficient water pressure and clean water quality can be achieved therewith.
    Type: Application
    Filed: February 16, 2007
    Publication date: August 21, 2008
    Inventors: Ming-Jung Wu, Fang-Chia Chang