Patents Assigned to Maatschap Holtmaat
  • Echinacea plant named ‘Pink Double Delight’
    Patent number: PP18803
    Abstract: A new and distinct cultivar of Echinacea plant named ‘Pink Double Delight’, characterized by its upright and somewhat outwardly spreading plant habit; moderately vigorous growth habit; freely basal branching habit; and large single inflorescences with pink-colored ray florets and darker pink-colored disc florets.
    Type: Grant
    Filed: September 27, 2006
    Date of Patent: May 13, 2008
    Assignee: Maatschap Holtmaat
    Inventor: Arie Blom
  • Astilbe plant named ‘Delft Lace’
    Patent number: PP19839
    Abstract: A new and distinct cultivar of Astilbe plant named ‘Delft Lace’, characterized by its upright and sturdy plant habit; strong and healthy dark-green colored foliage; freely flowering habit; dark pink-colored flowers; and good garden performance.
    Type: Grant
    Filed: November 12, 2007
    Date of Patent: March 24, 2009
    Assignee: Maatschap Holtmaat
    Inventor: Henricus Maria Joseph Holtmaat
  • Astilbe plant named ‘Valery’
    Patent number: PP19855
    Abstract: A new and distinct cultivar of Astilbe plant named ‘Valery’, characterized by its compact, upright and sturdy plant habit; strong and healthy dark green-colored foliage; freely flowering habit; red purple-colored flowers arranged on thick flowering stems; and good garden performance.
    Type: Grant
    Filed: November 12, 2007
    Date of Patent: March 24, 2009
    Assignee: Maatschap Holtmaat
    Inventor: Henricus Maria Joseph Holtmaat