Patents by Inventor Roland A. Godmaire

Roland A. Godmaire 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).

  • Patent number: 3974745
    Abstract: A piston for a compressor having at both ends a step-down portion which defines an annular cavity when the piston is mounted in the cylinder, the said cavity being very thin while its length is dependent on the weight and the length of the piston. A rider ring is located at the center of the piston and piston rings are inserted between the rider ring and the step-down portion.
    Type: Grant
    Filed: July 30, 1973
    Date of Patent: August 17, 1976
    Inventor: Roland A. Godmaire