Patents by Inventor Edward Huffmeyer

Edward Huffmeyer 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).

  • Apparatus for varying the rate of seed population
    Patent number: 6463866
    Abstract: An apparatus for varying the rate of seed population by planters or drills, comprising first and second squeeze jack variable speed pulleys, and a belt running around the pulleys; a cog mounted on the first pulley and a cog mounted on the second pulley, and a drive chain running around the cog mounted on the first pulley and a row unit chain running around the cog mounted on the second pulley; and apparatus to vary selectively the speed of the row unit chain at any given speed of the drive chain.
    Type: Grant
    Filed: December 8, 2000
    Date of Patent: October 15, 2002
    Inventor: Edward Huffmeyer