Patents by Inventor Martinus Laurentius Jozef Duineveld

Martinus Laurentius Jozef Duineveld 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).

  • Roller blind and assembly comprising a roller blind of this type and double glazing unit
    Patent number: 7938162
    Abstract: The invention relates to a roller blind having at least four layers. The outer layers form one sheet and the inner layers form one sheet. A cylindrical body is provided in the inner sheet. The outer sheet has a bending stiffness which is such that, at least at the location of the cylindrical body between the layers of the outer sheet and the layers of the inner sheet, a distance is maintained. The invention furthermore relates to an assembly of a roller blind according to the invention and a double glazing unit.
    Type: Grant
    Filed: June 26, 2008
    Date of Patent: May 10, 2011
    Inventor: Martinus Laurentius Jozef Duineveld
  • Roller Blind and Assembly Comprising a Roller Blind of This Type and Double Glazing Unit
    Publication number: 20090159218
    Abstract: The invention relates to a roller blind having at least four layers. The outer layers form one sheet and the inner layers form one sheet. A cylindrical body is provided in the inner sheet. The outer sheet has a bending stiffness which is such that, at least at the location of the cylindrical body between the layers of the outer sheet and the layers of the inner sheet, a distance is maintained. The invention furthermore relates to an assembly of a roller blind according to the invention and a double glazing unit.
    Type: Application
    Filed: June 26, 2008
    Publication date: June 25, 2009
    Inventor: Martinus Laurentius Jozef Duineveld