Patents by Inventor Charles B. Riggs

Charles B. Riggs 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).

  • Fluid cylinder device with precision stroke adjustment
    Patent number: 4699044
    Abstract: A pneumatic and hydraulic cylinder includes a precision adjustment mechanism for precise adjustment of piston rod extended position. The rod is slidable within a sleeve, which is screw threaded or otherwise adjustably mounted to the cylinder. The sleeve includes a stop for the piston, adjustably establishing the extended position.
    Type: Grant
    Filed: April 22, 1985
    Date of Patent: October 13, 1987
    Assignee: Maremont Corporation
    Inventor: Charles B. Riggs