Patents by Inventor Jeffrey J. Polfer

Jeffrey J. Polfer 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).

  • Publication number: 20070227418
    Abstract: An apparatus for eliminating undesirable vegetation in agricultural crop cultivation environment includes a rigid frame and a plurality of nozzles secured to the frame for applying liquid. A power source is mounted on the rigid frame and is connected to the power source of a vehicle employed in the agricultural crop cultivation environment and employed for moving the apparatus. A motor operable pump is connected to a source of the liquid and to the nozzles for delivering the liquid under pressure and a steam generator is provided for heating the liquid. Optional coulters and sweeps are also provided for destroying the root portion of the undesirable vegetation.
    Type: Application
    Filed: March 30, 2007
    Publication date: October 4, 2007
    Inventor: Jeffrey J. Polfer