Patents by Inventor Rufus A. Whitener

Rufus A. Whitener 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).

  • Cotton gin press dogs
    Patent number: 3996850
    Abstract: Individual press dogs are attached individually to a cotton gin press box. Each dog is biased by a weighted hammer against an anvil held in place by springs. Each dog is released when the pressure on that dog overcomes the resistance of the springs.
    Type: Grant
    Filed: July 31, 1975
    Date of Patent: December 14, 1976
    Inventor: Rufus A. Whitener