Patents by Inventor Charles W. Pryor

Charles W. Pryor 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: 8814486
    Abstract: A lubricated screw device lubricates threads as a threaded shaft is screwed into an object. The device includes a screw having a head and a shaft extending from the head. Threading is on the shaft. The threading extends from a distal end of the shaft towards the head. A frangible liner has a perimeter edge. The perimeter edge is coupled to the shaft. The liner forms a pouch around the distal end of the shaft. A lubricant is positioned in the pouch wherein the lubricant is configured to be dispensed from the pouch onto the threading as the shaft is screwed into a structure.
    Type: Grant
    Filed: March 28, 2013
    Date of Patent: August 26, 2014
    Inventor: Charles W. Pryor