Patents by Inventor Russell R. Carlson

Russell R. Carlson 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).

  • Belt drive for pump jack
    Patent number: 4238966
    Abstract: The pump drive mechanism provides a high reduction drive from a continuous operating motor to a crank arm to oscillate the counterbalanced jack for a pump as used in the oil field. The drive utilizes three series of belts to obtain a reduction of 190 to 1. The belt drive reduces downtime and improves the efficiency of drives for pump jacks.
    Type: Grant
    Filed: January 5, 1978
    Date of Patent: December 16, 1980
    Inventors: Russell R. Carlson, John J. Tschetter