Patents by Inventor Mingzhen Zhu

Mingzhen Zhu 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: 7544295
    Abstract: The present invention discloses an oil filter housing, comprising an upper bowl adapted to be mounted onto a filter-mounting base of an engine, a top end of the upper bowl being formed with oil inlets and an oil outlet, and a protruding structure being provided on an outer top end surface of the upper bowl, the protruding structure adapted to be engaged with the filter-mounting base so as to position the upper bowl and limit rotation of the upper bowl relative to the filter-mounting base; and a lower bowl detachably coupled to the upper bowl and a bottom end of the lower bowl being closed. The oil filter housing according to an embodiment of the present invention is simple in structure, low in cost, easy to operation and safe.
    Type: Grant
    Filed: June 5, 2008
    Date of Patent: June 9, 2009
    Assignee: Beijing SZYN Technology Co., Ltd.
    Inventors: Mingzhen Zhu, Shiliang Chen
  • Publication number: 20090039007
    Abstract: The present invention discloses an oil filter housing, comprising an upper bowl adapted to be mounted onto a filter-mounting base of an engine, a top end of the upper bowl being formed with oil inlets and an oil outlet, and a protruding structure being provided on an outer top end surface of the upper bowl, the protruding structure adapted to be engaged with the filter-mounting base so as to position the upper bowl and limit rotation of the upper bowl relative to the filter-mounting base; and a lower bowl detachably coupled to the upper bowl and a bottom end of the lower bowl being closed. The oil filter housing according to an embodiment of the present invention is simple in structure, low in cost, easy to operation and safe.
    Type: Application
    Filed: June 5, 2008
    Publication date: February 12, 2009
    Inventors: Mingzhen Zhu, Shiliang Chen