Patents by Inventor Hui-Jeng Lin

Hui-Jeng 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).

  • Boat propeller capable of being easily changed in pitch thereof
    Patent number: 6506019
    Abstract: A boat propeller comprises a hub formed of a front cylindrical member and a rear cylindrical member. The hub is provided in the joining place with a plurality of receiving cavities which are arranged equiangularly and circularly. Each cavity is provided removably with an angle setting member which is joined with the hub. A plurality of blades are joined with the outer periphery of the hub such that the inner ends of the blades are inserted into the cavities and are located by the angle setting members. Under the circumstance that the shapes of the hub and the blades remain unchanged, the blade pitch in relation to the hub can be changed by the angle setting members of various shapes.
    Type: Grant
    Filed: May 29, 2001
    Date of Patent: January 14, 2003
    Assignee: Solas Science & Engineering Co., Ltd.
    Inventors: Yeun-Junn Lin, Chih-Chiang Tsai, Hui-Jeng Lin, Ya-Jung Lee
  • BOAT PROPELLER CAPABLE OF BEING EASILY CHANGED IN PITCH THEREOF
    Publication number: 20020182080
    Abstract: A boat propeller comprises a hub formed of a front cylindrical member and a rear cylindrical member. The hub is provided in the joining place with a plurality of receiving cavities which are arranged equiangularly and circularly. Each cavity is provided removably with an angle setting member which is joined with the hub. A plurality of blades are joined with the outer periphery of the hub such that the inner ends of the blades are inserted into the cavities and are located by the angle setting members. Under the circumstance that the shapes of the hub and the blades remain unchanged, the blade pitch in relation to the hub can be changed by the angle setting members of various shapes.
    Type: Application
    Filed: May 29, 2001
    Publication date: December 5, 2002
    Inventors: Yeun-Junn Lin, Chih-Chiang Tsai, Hui-Jeng Lin, Ya-Jung Lee