Patents by Inventor Leendert Pieter Jacob van Duijn

Leendert Pieter Jacob van Duijn 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).

  • Method for cultivating a crop, crop production unit and crop production system
    Patent number: 11785899
    Abstract: A crop production system includes a number of crop production units which are coupled to a crop control centre. The crop production units are configured to perform a method for cultivating and producing a crop, where all climatological ambient factors and the light spectrum, which in their mutual relation determine the development of the crop, are regulated and controlled on the basis of a cultivation schedule which can be obtained from the crop control centre. For the purpose of production and development of a growth-promoting agent and/or crop protection agent and for the purpose of breeding a plant variety, one or more plants of a crop are at least substantially exactly reproduced in accordance with the cultivating method.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: October 17, 2023
    Assignee: PlantLab Groep B.V.
    Inventors: Martinus Kers, Klaas Heijmans, Leendert Pieter Jacob van Duijn
  • METHOD FOR CULTIVATING A CROP, CROP PRODUCTION UNIT AND CROP PRODUCTION SYSTEM
    Publication number: 20190289799
    Abstract: A crop production system includes a number of crop production units which are coupled to a crop control centre. The crop production units are configured to perform a method for cultivating and producing a crop, where all climatological ambient factors and the light spectrum, which in their mutual relation determine the development of the crop, are regulated and controlled on the basis of a cultivation schedule which can be obtained from the crop control centre. For the purpose of production and development of a growth-promoting agent and/or crop protection agent and for the purpose of breeding a plant variety, one or more plants of a crop are at least substantially exactly reproduced in accordance with the cultivating method.
    Type: Application
    Filed: December 1, 2017
    Publication date: September 26, 2019
    Inventors: Martinus Kers, Klaas Heijmans, Leendert Pieter Jacob van Duijn