Patents by Inventor Nynke Margaretha Zandstra

Nynke Margaretha Zandstra 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).

  • MOLD AND METHOD FOR MOLD FORMING PRODUCTS
    Publication number: 20240123659
    Abstract: The invention relates to a mold, comprising at least one mold cavity defined by at least a mold wall, wherein at least one part of said wall is a porous part, wherein the at least one porous part is formed by or comprises a porous insert inserted into an opening extending into and preferably through said wall
    Type: Application
    Filed: February 21, 2022
    Publication date: April 18, 2024
    Applicant: PaperFoam Holding B.V.
    Inventors: Jochem Alex BLUM, Nynke Margaretha ZANDSTRA, Menno Eduard GROENEVELT, Jan Wietze HUISMAN
  • Method and apparatus for manufacturing sustainable products with a blown, foam structure
    Patent number: 10442121
    Abstract: A method for manufacturing sustainable products with a blown, foam structure, wherein a mass comprising at least natural polymers such as starch is passed under pressure into a mold cavity (4) or through a mold die, and the mass is heated in the mold in a manner such as to stabilize the foamed structure to form the product, wherein the method comprises prefoaming of the mass prior to injection in the mold. Preferably, the prefoamed mass is kept under pressure until insertion in the mold. The invention further relates to an apparatus to be used in said method.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: October 15, 2019
    Assignee: Paperfoam B.V.
    Inventors: Jan Wietze Huisman, Nynke Margaretha Zandstra, Johan Hendrik Adolf Arentsen, Hugo Mark Geerts
  • METHOD AND APPARATUS FOR MANUFACTURING SUSTAINABLE PRODUCTS WITH A BLOWN, FOAM STRUCTURE
    Publication number: 20150054190
    Abstract: A method for manufacturing sustainable products with a blown, foam structure, wherein a mass comprising at least natural polymers such as starch is passed under pressure into a mould cavity (4) or through a mould die, and the mass is heated in the mould in a manner such as to stabilize the foamed structure to form the product, wherein the method comprises prefoaming of the mass prior to injection in the mould. Preferably, the prefoamed mass is kept under pressure until insertion in the mould. The invention further relates to an apparatus to be used in said method.
    Type: Application
    Filed: March 11, 2013
    Publication date: February 26, 2015
    Inventors: Jan Wietze Huisman, Nynke Margaretha Zandstra, Johan Hendrik Adolf Arentsen, Hugo Mark Geerts