Patents by Inventor Lloyd G. Welty

Lloyd G. Welty 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).

  • Self-draining vehicular supporting panel and structure
    Patent number: 4011022
    Abstract: A frictional self-draining structure for a vehicular supporting surface, comprised of a plurality of prefabricated interlocking panels, each panel including a relatively flat upper surface to which is attached a layer of structurally rigid porous aggregate, each panel having a plurality of parallel longitudinal fluid conduits therethrough beneath its upper surface and perforations communicating between the upper surface and the conduits.
    Type: Grant
    Filed: December 3, 1975
    Date of Patent: March 8, 1977
    Inventor: Lloyd G. Welty