Patents by Inventor John Kopycinski

John Kopycinski 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: 6148746
    Abstract: In a method and apparatus for applying anhydrous ammonia fertilizer to soil, a soil penetrating knife produces a substantially continuous elongated furrow in the soil for receipt of the anhydrous ammonia; a dispensing tube associated with the knife dispenses liquid anhydrous ammonia continuously into the furrow and second tube associated with the knife continuously dispenses a spray of an absorbent liquid into the furrow for absorbing liquid and gaseous anhydrous ammonia to thereby reduce evaporative loss of anhydrous ammonia from the soil.
    Type: Grant
    Filed: May 27, 1999
    Date of Patent: November 21, 2000
    Inventor: John Kopycinski