Patents by Inventor Silvan Kamstra

Silvan Kamstra 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: PP26256
    Abstract: A new and distinct cultivar of Phlox plant named Barseventynine, characterized by its upright and tall plant habit; vigorous growth habit; freely flowering habit; large pyramidal inflorescences with light red purple-colored flowers with darker red purple-colored centers; and good cut flower performance.
    Type: Grant
    Filed: January 10, 2014
    Date of Patent: December 22, 2015
    Assignee: Bartels Stek B.V.
    Inventor: Silvan Kamstra
  • Patent number: PP26736
    Abstract: A new and distinct cultivar of Stachys plant named ‘Bareightyfour’, characterized by its compact and upright plant habit; vigorous growth habit; and densely pubescent recurved leaves.
    Type: Grant
    Filed: June 14, 2014
    Date of Patent: May 17, 2016
    Assignee: Bartels Stek B.V.
    Inventor: Silvan Kamstra
  • Patent number: PP29086
    Abstract: A new and distinct cultivar of Solidago plant named ‘BARSOLMAG’, characterized by its upright plant habit; freely branching growth habit; early and freely flowering habit; unique flat-top spray formation; and inflorescences with light yellow-colored ray florets.
    Type: Grant
    Filed: October 22, 2016
    Date of Patent: March 6, 2018
    Assignee: Dümmen Group B.V.
    Inventor: Silvan Kamstra