Patents by Inventor Larry D. Frank

Larry D. Frank 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).

  • Safety enhancement device for well-logging cable sheave wheels
    Patent number: 4480818
    Abstract: A safety enhancement device for a well-logging cable sheave wheel rotatably mounted in a frame member has a guard plate which assists in the prevention of foreign objects passing into the pinch-point between the well-logging cable and the sheave wheel.
    Type: Grant
    Filed: September 2, 1982
    Date of Patent: November 6, 1984
    Assignee: Schlumberger Technology Corporation
    Inventor: Larry D. Frank