Patents by Inventor Keith D. Westervelt

Keith D. Westervelt 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: PP29290
    Abstract: A new cultivar of Cercis canadensis plant named ‘Sjo’ that is characterized by its flower buds that are dark pink in color and open to flowers that are a blend of light pink and white in color, its upright, slightly arching plant habit, its flowers with sepals that are light to medium reddish pink in color, and its medium-large cordate to deltoid shaped leaves that are medium green in color.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: May 15, 2018
    Assignee: BLUEVILLE NURSERY, INC
    Inventor: Keith D. Westervelt
  • Patent number: PP31657
    Abstract: A new cultivar of white spruce tree named ‘Charlie J. Nickel’ that is characterized by its needles that are tinted blue in color, its uniform ovate-shaped plant habit with a strong central leader, and its good growth rate.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: April 14, 2020
    Inventor: Keith D. Westervelt
  • Patent number: PP32538
    Abstract: A new cultivar of Juniperus virginiana plant named ‘Butterfield’ that is characterized by its soft, bright gold foliage in cold winter temperatures and in hot summer temperatures, it's very uniform growth habit and upright plant habit and its strong central leader.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: December 1, 2020
    Inventor: Keith D. Westervelt
  • Patent number: PP35048
    Abstract: A new cultivar of Norway spruce tree named ‘Andy Spinks’ that is characterized by its new and maturing foliage that is golden-tinted in color with older and shaded foliage blue-green in color, its strong central leader, its very uniform growth habit and shape, and its good growth rate.
    Type: Grant
    Filed: April 25, 2022
    Date of Patent: March 21, 2023
    Inventor: Keith D. Westervelt
  • Patent number: PP35753
    Abstract: A new cultivar of Ginkgo tree named ‘Waconda Gold’ that is characterized by its very uniform growth habit and shape, its upright ascending branches and a pyramidal plant habit, its healthy foliage that is dark green in color, its strong central leader, and its good growth rate.
    Type: Grant
    Filed: July 26, 2022
    Date of Patent: April 16, 2024
    Inventors: Keith D. Westervelt, James A. Ord
  • Patent number: PP36521
    Abstract: A new cultivar of Maclura tree named ‘Hibbard’ that is characterized by its rapid growth habit, an average of 60 cm a year, its lack of fruit production, its large glossy foliage, and its thornless branches.
    Type: Grant
    Filed: August 7, 2024
    Date of Patent: March 4, 2025
    Inventor: Keith D. Westervelt