Patents by Inventor Chun-Hui Liu

Chun-Hui Liu 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).

  • Magnetic device adapted for various engine oil filtering apparatuses
    Patent number: 7390405
    Abstract: A magnetic device adapted for various engine oil filtering apparatuses is proposed in the present invention. It includes an elastic metal plate; multiple holding bases, each of which has at least a containing portion, the holding bases being disposed on the elastic metal plate; and multiple magnets disposed in the containing portions of the holding bases respectively. The magnetic device has a sectional design and has various flexible combinations. Hence, it is more applicable and reduces the costs of production.
    Type: Grant
    Filed: May 31, 2005
    Date of Patent: June 24, 2008
    Inventor: Chun-Hui Liu
  • Magnetic device adapted for various engine oil filtering apparatuses
    Publication number: 20060266688
    Abstract: A magnetic device adapted for various engine oil filtering apparatuses is proposed in the present invention. It includes an elastic metal plate; multiple holding bases, each of which has at least a containing portion, the holding bases being disposed on the elastic metal plate; and multiple magnets disposed in the containing portions of the holding bases respectively. The magnetic device has a sectional design and has various flexible combinations. Hence, it is more applicable and reduces the costs of production.
    Type: Application
    Filed: May 31, 2005
    Publication date: November 30, 2006
    Inventor: Chun-Hui Liu