Patents by Inventor Danny J. Weatherford

Danny J. Weatherford 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).

  • Patent number: 4009739
    Abstract: A coaxial hose for the unloading of gasoline from a tank truck, the inner core carrying gasoline to the storage tank and the concentric outer passage carrying vapors which are returned to the truck as they are displaced from the storage tank.
    Type: Grant
    Filed: September 2, 1975
    Date of Patent: March 1, 1977
    Inventor: Danny J. Weatherford