Patents by Inventor John Zwonitzer

John Zwonitzer 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 X16T121
    Patent number: 12478008
    Abstract: A novel maize variety designated X16T121 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 X16T121 with another maize plant are disclosed. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into X16T121 through backcrossing or genetic transformation, and to the maize seed, plant and plant part produced thereby are described. Maize variety X16T121, the seed, the plant produced from the seed, and variants, mutants, and minor modifications of maize variety X16T121 are provided. Methods for producing maize varieties derived from maize variety X16T121 and methods of using maize variety X16T121 are disclosed.
    Type: Grant
    Filed: April 21, 2023
    Date of Patent: November 25, 2025
    Assignee: PIONEER HI-BRED INTERNATIONAL, INC.
    Inventors: Michael B. Letchworth, D. Matt Nice, Marcelo Queijo, John Zwonitzer
  • Maize inbred 7HHSL1170
    Patent number: 11582933
    Abstract: A novel maize variety designated 7HHSL1170 and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety 7HHSL1170 with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into 7HHSL1170 through backcross conversion and/or transformation, and to the maize seed, plant and plant part produced thereby are provided. Hybrid maize seed, plants or plant parts are produced by crossing the variety 7HHSL1170 or a locus conversion of 7HHSL1170 with another maize variety.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: February 21, 2023
    Inventors: Marcelo Queijo, James L. Stewart, John Zwonitzer
  • Maize inbred 7HHXL2035
    Patent number: 11582934
    Abstract: A novel maize variety designated 7HHXL2035 and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety 7HHXL2035 with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into 7HHXL2035 through backcross conversion and/or transformation, and to the maize seed, plant and plant part produced thereby are provided. Hybrid maize seed, plants or plant parts are produced by crossing the variety 7HHXL2035 or a locus conversion of 7HHXL2035 with another maize variety.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: February 21, 2023
    Inventors: Marcelo Queijo, John Zwonitzer
  • Maize inbred 6HHXI6026
    Patent number: 11246279
    Abstract: A novel maize variety designated 6HHXI6026 and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety 6HHXI6026 with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into 6HHXI6026 through backcross conversion and/or transformation, and to the maize seed, plant and plant part produced thereby are provided. Hybrid maize seed, plants or plant parts are produced by crossing the variety 6HHXI6026 or a locus conversion of 6HHXI6026 with another maize variety.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: February 15, 2022
    Inventors: Arturo Jason Morales, Marcelo Queijo, Ryan Thorson, John Zwonitzer
  • Maize inbred 6HHXI2022
    Patent number: 10863701
    Abstract: A novel maize variety designated 6HHXI2022 and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety 6HHXI2022 with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into 6HHXI2022 through backcross conversion and/or transformation, and to the maize seed, plant and plant part produced thereby are provided. Hybrid maize seed, plants or plant parts are produced by crossing the variety 6HHXI2022 or a locus conversion of 6HHXI2022 with another maize variety.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: December 15, 2020
    Inventors: James Bing, Marcelo Queijo, John Zwonitzer
  • Maize inbred 7HHSL3114
    Patent number: 10842111
    Abstract: A novel maize variety designated 7HHSL3114 and seed, plants and plant parts thereof are provided. Methods for producing a maize plant comprise crossing maize variety 7HHSL3114 with another maize plant are provided. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into 7HHSL3114 through backcross conversion and/or transformation, and to the maize seed, plant and plant part produced thereby are provided. Hybrid maize seed, plants or plant parts are produced by crossing the variety 7HHSL3114 or a locus conversion of 7HHSL3114 with another maize variety.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: November 24, 2020
    Inventors: Marcelo Queijo, John Zwonitzer