Patents by Inventor Louis B. Chapko

Louis B. Chapko 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).

  • Maize hybrid X95H700
    Patent number: 9955641
    Abstract: A novel maize variety designated X95H700 and seed, plants and plant parts thereof are produced by crossing inbred maize varieties. Methods for producing a maize plant by crossing hybrid maize variety X95H700 with another maize plant are disclosed. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into X95H700 through backcross conversion and/or transformation, and to the maize seed, plant and plant part produced thereby. This invention relates to the maize variety X95H700, the seed, the plant produced from the seed, and variants, mutants, and minor modifications of maize variety X95H700. This invention further relates to methods for producing maize varieties derived from maize variety X95H700.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: May 1, 2018
    Assignee: PIONEER HI-BRED INTERNATIONAL, INC.
    Inventors: Louis B Chapko, Joseph Kevin Gogerty, Edwin Michael Grote, Thomas Craig Kevern
  • Inbred maize line phap8
    Patent number: 5569818
    Abstract: An inbred maize line, designated PHAP8, the plants and seeds of inbred maize line PHAP8, methods for producing a maize plant produced by crossing the inbred line PHAP8 with itself or with another maize plant, and hybrid maize seeds and plants produced by crossing the inbred line PHAP8 with another maize line or plant.
    Type: Grant
    Filed: January 31, 1995
    Date of Patent: October 29, 1996
    Assignee: Pioneer Hi-Bred International, Inc.
    Inventors: Louis B. Chapko, Donald E. Westerhof, David S. Ertl