Patents by Inventor Ryan R. Nguyen

Ryan R. Nguyen 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).

  • Automatic pressing mechanism
    Patent number: 6662971
    Abstract: In one embodiment of the invention, a press assembly includes a gear assembly, a threaded rod, and a roller assembly. The gear assembly causes a rotational movement when activated. The threaded rod is coupled to the gear assembly and rotates in direction of the rotational movement caused by the gear assembly. The roller assembly is coupled to the threaded rod and moves linearly between a first end and a second end along guide slots when the threaded rod rotates.
    Type: Grant
    Filed: April 10, 2002
    Date of Patent: December 16, 2003
    Inventors: Ryan R. Nguyen, Kim-Dinh Doan