Patents by Inventor Huan-Jun Chien

Huan-Jun Chien 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).

  • Flow channel of a regenerative pump
    Patent number: 8262339
    Abstract: The present invention provides an improvement in a new structure of a regenerative pump, including a cross section structure of the flow channel of a pump casing and closed type impeller, whereby to improve a better flow model for pump performance to solve problems of noise, and to increase the outflow capacity and higher efficiency.
    Type: Grant
    Filed: August 15, 2008
    Date of Patent: September 11, 2012
    Inventor: Huan-Jun Chien
  • Construction of the wedge filtration media laminated by wedge filter plate
    Patent number: 8083941
    Abstract: An improved construction of filtration media of a wedge filter provides a performance on both surface and inner filtration mechanisms with offering many times recycled use by washable functions. Particularly a wedge filter plate is used to construct a hollow cylindrical type media of wedge filter.
    Type: Grant
    Filed: August 8, 2008
    Date of Patent: December 27, 2011
    Inventor: Huan-Jun Chien
  • CONSTRUCTION OF THE WEDGE FILTRATION MEDIA LAMINATED BY WEDGE FILTER PLATE
    Publication number: 20090045130
    Abstract: An improved construction of filtration media of a wedge filter provides a performance on both surface and inner filtration mechanisms with offering many times recycled use by washable functions. Particularly a wedge filter plate is used to construct a hollow cylindrical type media of wedge filter.
    Type: Application
    Filed: August 8, 2008
    Publication date: February 19, 2009
    Inventor: Huan-Jun Chien
  • FLOW CHANNEL OF A REGENERATIVE PUMP
    Publication number: 20090047125
    Abstract: The present invention provides an improvement in a new structure of a regenerative pump, including a cross section structure of the flow channel of a pump casing and closed type impeller, whereby to improve a better flow model for pump performance to solve problems of noise, and to increase the outflow capacity and higher efficiency.
    Type: Application
    Filed: August 15, 2008
    Publication date: February 19, 2009
    Inventor: Huan-Jun Chien