Patents by Inventor Vicente Oropeza

Vicente Oropeza 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).

  • Washing machine
    Patent number: 5161394
    Abstract: A laundry machine is constructed to discharge liquid from fixed nozzles located within a fixed tub, through holes in the bottom of a basket within the tub. The liquid impacts and levitates the clothes within the basket. The liquid is recycled through the pump. Extraction of liquid from clothes is by spin rotation of the basket.
    Type: Grant
    Filed: July 26, 1991
    Date of Patent: November 10, 1992
    Inventors: William Felzer, William Marquardt, Lawrence Chi Ai, Nam Q. Dang, Earnest J. Gladney, Keith L. Moore, Vicente Oropeza, Edgar Sanchez, Ying Zhou