Patents by Inventor Hendrik Nijen Twilhaar

Hendrik Nijen Twilhaar 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 producing printed matter and printing form attachment means for use in the method
    Patent number: 6085653
    Abstract: A method for producing printed matter comprises the steps of preparing a flexographic printing form, providing a printing form attachment means having an adherent sticky surface area on a plate cylinder of a printing press, removably attaching the flexographic printing form to the said printing form attachment means and thus to the plate cylinder and printing the printed matter on the printing press using the thus removably attached flexographic printing form.
    Type: Grant
    Filed: November 7, 1997
    Date of Patent: July 11, 2000
    Assignee: Winkle Holding, B.V.
    Inventors: Jan Goovaard, Hendrik Nijen Twilhaar, Jan Willem Boers
  • Method for producing printed matter and printing form attachment means for use in the method
    Patent number: 6079329
    Abstract: A method for producing printed matter comprises the steps of preparing a flexographic printing form, providing a printing form attachment means having an adherent sticky surface area on a plate cylinder of a printing press, removably attaching the flexographic printing form to the said printing form attachment means and thus to the plate cylinder and printing the printed matter on the printing press using the thus removably attached flexographic printing form.
    Type: Grant
    Filed: December 4, 1998
    Date of Patent: June 27, 2000
    Assignee: Winkle Holding, B.V.
    Inventors: Jan Goovaard, Hendrik Nijen Twilhaar, Jan Willem Boers