Patents by Inventor Harold E. Shelton

Harold E. Shelton 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).

  • Glass breaking machine
    Patent number: 4226377
    Abstract: A glass breaking machine having a hammer mill removably mounted within the machine. The hammer mill includes multiple series of hammers each following an orbital pattern offset from the remaining hammers. A hammer mill housing opening enables hammer mill removal for service purposes. Similarly, each hammer is readily detachable from the hammer mill. A chute is swingably mounted to enable classifying of the fractured material according to color or other criteria.
    Type: Grant
    Filed: November 6, 1978
    Date of Patent: October 7, 1980
    Inventor: Harold E. Shelton