Patents by Inventor Johan Albert Schoenmaker

Johan Albert Schoenmaker 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).

  • Reinforced profile
    Patent number: 7241484
    Abstract: A method for manufacturing a compound construction element, in an extrusion process wherein a composite material is pressed through an extrusion die, which composite material includes a matrix of thermoplastic synthetic material including wood particles or other, cellulose containing particles in a content on the order of 50% by weight or more, wherein also one or more elongated additional elements are passed through the extrusion die, which additional elements are brought into tight engagement with the composite material, after which the compound element is shaped and preferably cooled in a die.
    Type: Grant
    Filed: March 16, 2004
    Date of Patent: July 10, 2007
    Assignee: Tech-Wood International Ltd.
    Inventors: Dirk Van Dijk, Johan Albert Schoenmaker
  • Reinforced profile
    Publication number: 20040219357
    Abstract: A method for manufacturing a compound construction element, in an extrusion process wherein a composite material is pressed through an extrusion die, which composite material includes a matrix of thermoplastic synthetic material including wood particles or other, cellulose containing particles in a content on the order of 50% by weight or more, wherein also one or more elongated additional elements are passed through the extrusion die, which additional elements are brought into tight engagement with the composite material, after which the compound element is shaped and preferably cooled in a die.
    Type: Application
    Filed: March 16, 2004
    Publication date: November 4, 2004
    Inventors: Dirk Van Dijk, Johan Albert Schoenmaker