Patents by Inventor Roy C. Cornick

Roy C. Cornick 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).

  • Rotary impeller for fluid driven machine
    Patent number: 4355958
    Abstract: A low drag and low profile fluid driven impeller can achieve a large diameter by utilizing notched cylindrical tube sections as impeller blades in stacked relationship on a common shaft. Simplicity and economy are inherent in the structure.
    Type: Grant
    Filed: September 18, 1981
    Date of Patent: October 26, 1982
    Inventor: Roy C. Cornick