Patents by Inventor Willem Johan van den Brink

Willem Johan van den Brink 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).

  • Publication number: 20230263344
    Abstract: A moulded fibrous end plug (3) and dispenser system comprising the same, the end plug for use in mounting a roll of sheet material to a dispenser and having a roll facing side comprising formations configured to be insertable into an opening in an end of a roll of sheet material and for securing the end plug to the roll of sheet material, the end plug further comprising an opposite dispenser facing side comprising formations configured to cooperate with formations of a roll holder portion of a dispenser in use for mounting the end plug to the dispenser. The formations of the roll facing side configured to be insertable into the opening in the end of the roll of sheet material include a plurality of domes (7). The formations of the roll facing side for securing the end plug to the roll of sheet material include protuberances (26) configured to provide an interference fit securing the end plug to the roll.
    Type: Application
    Filed: August 10, 2021
    Publication date: August 24, 2023
    Inventors: Loic Wozny, Willem Johan van den Brink, Jonathan Green
  • Patent number: 11148858
    Abstract: Product made using a mass that includes natural polymers, wherein the product has at least a first product part connected by a hinge construction to a second product part, wherein the hinge construction has at least one flexible sheet element and at least one bridge portion made of the mass that includes natural polymers, wherein the hinge construction is designed such that, prior to a first time hinging, the at least one bridge portion forms a more rigid connection between the first and second product parts than the flexible sheet element and by hinging the bridge portion is severed, such that the first and second parts are substantially only connected by the at least one flexible sheet element.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: October 19, 2021
    Assignee: PAPERFOAM B.V.
    Inventors: Roelof Wessel Groenveld, Willem Johan van den Brink, Jan Wietze Huisman
  • Publication number: 20190367221
    Abstract: Product made using a mass comprising natural polymers, wherein the product comprises at least a first and a second product part, connected by a hinge construction, wherein the hinge construction comprises at least one flexible sheet element and one bridge portion made of said mass comprising natural polymers, wherein the hinge construction is designed such that, prior to a first time hinging, the at least one bridge portion forms a more rigid connection between the first and second product part than the flexible sheet element and by hinging said bridge portion is severed, such that the first and second part are substantially only connected by the or each flexible strip.
    Type: Application
    Filed: October 11, 2018
    Publication date: December 5, 2019
    Inventors: Roelof Wessel Groenveld, Willem Johan van den Brink, Jan Wietze Huisman