Patents by Inventor Leonardus Johannus Maria van der Knaap

Leonardus Johannus Maria van der Knaap 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).

  • Kalanchoe plant named ‘Don Juan’
    Patent number: PP17576
    Abstract: A new and distinct cultivar of Kalanchoe plant named ‘Don Juan’, characterized by its upright and freely branching plant habit; dark green-colored leaves; red-colored double flowers with multiple petals per flower; and excellent postproduction longevity.
    Type: Grant
    Filed: October 26, 2005
    Date of Patent: April 3, 2007
    Assignee: Knaap Licenties B.V.
    Inventor: Leonardus Johannus Maria van der Knaap
  • Kalanchoe plant named ‘Don Ramon’
    Patent number: PP17614
    Abstract: A new and distinct cultivar of Kalanchoe plant named ‘Don Ramon’, characterized by its upright and freely branching plant habit; dark green-colored leaves; red purple-colored double flowers with multiple petals per flower; and excellent postproduction longevity.
    Type: Grant
    Filed: October 26, 2005
    Date of Patent: April 17, 2007
    Assignee: Knaap Licenties B.V.
    Inventor: Leonardus Johannus Maria van der Knaap
  • Kalanchoe plant named ‘Don Frederico’
    Patent number: PP17949
    Abstract: A new and distinct cultivar of Kalanchoe plant named ‘Don Frederico’, characterized by its upright and freely branching plant habit; dark green-colored leaves; yellow-colored double flowers with multiple petals per flower; and excellent postproduction longevity.
    Type: Grant
    Filed: October 26, 2005
    Date of Patent: August 28, 2007
    Assignee: Knaap Licenties B.V.
    Inventor: Leonardus Johannus Maria van der Knaap
  • Kalanchoe plant named ‘Don Domingo’
    Patent number: PP17968
    Abstract: A new and distinct cultivar of Kalanchoe plant named ‘Don Domingo’, characterized by its upright and freely branching plant habit; dark green-colored leaves; salmon orange-colored double flowers with multiple petals per flower; and excellent postproduction longevity.
    Type: Grant
    Filed: October 26, 2005
    Date of Patent: August 28, 2007
    Assignee: Knaap Licenties B.V.
    Inventor: Leonardus Johannus Maria van der Knaap
  • Kalanchoe plant named ‘Don Carlos’
    Patent number: PP19238
    Abstract: A new and distinct cultivar of Kalanchoe plant named ‘Don Carlos’, characterized by its upright, uniform and vigorous growth habit; dark green-colored leaves; uniform and freely flowering habit; double orange-colored flowers; and excellent postproduction longevity.
    Type: Grant
    Filed: April 16, 2007
    Date of Patent: September 16, 2008
    Assignee: Knaap Licenties B.V.
    Inventor: Leonardus Johannus Maria van der Knaap
  • Kalanchoe plant named ‘Don Martino’
    Patent number: PP19402
    Abstract: A new and distinct cultivar of Kalanchoe plant named ‘Don Martino’, characterized by its upright, uniform and vigorous growth habit; dark green-colored leaves; uniform and freely flowering habit; double white-colored flowers; and excellent postproduction longevity.
    Type: Grant
    Filed: October 11, 2007
    Date of Patent: November 4, 2008
    Assignee: Knaap Licenties B.V.
    Inventor: Leonardus Johannus Maria van der Knaap
  • Kalanchoe plant named ‘Don Sergio’
    Patent number: PP19699
    Abstract: A new and distinct cultivar of Kalanchoe plant named ‘Don Sergio’, characterized by its upright, uniform and vigorous growth habit; freely branching habit; dark green-colored leaves; uniform and freely flowering habit; double orange-colored flowers; and excellent postproduction longevity.
    Type: Grant
    Filed: March 25, 2008
    Date of Patent: February 10, 2009
    Assignee: Knaap Licenties B.V.
    Inventor: Leonardus Johannus Maria van der Knaap
  • Kalanchoe plant named ‘Don Angelo’
    Patent number: PP19704
    Abstract: A new and distinct cultivar of Kalanchoe plant named, ‘Don Angelo’, characterized by its upright, uniform and vigorous growth habit; freely branching habit; dark green-colored leaves; uniform and freely flowering habit; double red purple-colored flowers; and excellent postproduction longevity.
    Type: Grant
    Filed: March 25, 2008
    Date of Patent: February 10, 2009
    Assignee: Knaap Licenties B.V.
    Inventor: Leonardus Johannus Maria van der Knaap
  • plant named ‘Don Darcio’
    Patent number: PP20662
    Abstract: A new and distinct cultivar of Kalanchoe plant named ‘Don Darcio’, characterized by its upright, uniform and vigorous growth habit; freely branching habit; dark green-colored leaves; uniform and freely flowering habit; double pink-colored flowers; and excellent postproduction longevity.
    Type: Grant
    Filed: September 8, 2008
    Date of Patent: January 19, 2010
    Assignee: Knaap Licenties B.V.
    Inventor: Leonardus Johannus Maria van der Knaap
  • plant named ‘Curdjenna’
    Patent number: PP20664
    Abstract: A new and distinct cultivar of Curcuma plant named ‘Curdjenna’, characterized by its compact, upright and columnar plant habit with outwardly arching leaves; freely clumping growth habit; medium green-colored leaves; flowers with pink-colored flower bracts that are positioned just above the foliage on strong and erect peduncles; and freely flowering habit.
    Type: Grant
    Filed: October 8, 2008
    Date of Patent: January 19, 2010
    Assignee: Knaao Licenties B.V.
    Inventor: Leonardus Johannus Maria van der Knaap
  • plant named ‘Bardonta’
    Patent number: PP20676
    Abstract: A new and distinct cultivar of Anthurium plant named ‘Bardonta’, characterized by its upright, outwardly arching and uniform plant habit; freely clumping growth habit; bushy and dense plants; glossy medium green-colored leaves; large red-colored spathes that are positioned above and beyond the foliage on strong and erect scapes; freely flowering habit; and good inflorescence longevity.
    Type: Grant
    Filed: October 8, 2008
    Date of Patent: January 26, 2010
    Assignee: Knaap Licenties B.V.
    Inventor: Leonardus Johannus Maria van der Knaap
  • plant named ‘Spacessa’
    Patent number: PP21237
    Abstract: A new and distinct cultivar of Spathiphyllum plant named ‘Spacessa’, characterized by its upright, outwardly arching and uniform plant habit; freely clumping growth habit; bushy and dense plants; large glossy dark green-colored leaves; freely flowering habit; large white-colored spathes that are positioned above and beyond the foliage on strong and erect scapes; and good inflorescence longevity.
    Type: Grant
    Filed: April 20, 2009
    Date of Patent: August 24, 2010
    Assignee: Knaap Licenties B.V.
    Inventor: Leonardus Johannus Maria van der Knaap
  • plant named ‘Sparanke’
    Patent number: PP21294
    Abstract: A new and distinct cultivar of Spathiphyllum plant named ‘Sparanke’, characterized by its upright, outwardly arching and uniform plant habit; freely clumping growth habit; bushy and dense plants; large glossy dark green-colored leaves; freely flowering habit; white-colored spathes that are positioned above and beyond the foliage on strong and erect scapes; and good inflorescence longevity.
    Type: Grant
    Filed: April 20, 2009
    Date of Patent: September 14, 2010
    Assignee: Knaap Licenties B.V.
    Inventor: Leonardus Johannus Maria van der Knaap
  • plant named ‘Spadalu’
    Patent number: PP22599
    Abstract: A new and distinct cultivar of Spathiphyllum plant named ‘Spadalu’, characterized by its upright, outwardly arching and uniform plant habit; freely clumping growth habit; bushy and dense plants; glossy dark green-colored leaves; freely flowering habit; white-colored spathes that are positioned above and between the foliar plane on strong and erect scapes; and good inflorescence longevity.
    Type: Grant
    Filed: July 12, 2010
    Date of Patent: March 20, 2012
    Assignee: Knaap Licenties B.V.
    Inventor: Leonardus Johannus Maria van der Knaap