Patents by Inventor Pengsheng Ji

Pengsheng Ji 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).

  • ARCHED LOADING RAMP
    Publication number: 20120297558
    Abstract: A dual traction cutout ramp having a top surface and a back surface, and having plurality of apertures punched through the top and the back surfaces in alternative forming protrusions and indentations throughout the surface of the ramp. This dual traction cutout ramp can remove mud and dirt from the wheels of vehicles that move onto the ramp.
    Type: Application
    Filed: May 29, 2011
    Publication date: November 29, 2012
    Inventors: Ying WANG, Ning Yang, Pengsheng Ji