Patents by Inventor Joost van der Lijn

Joost van der Lijn 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).

  • Disposable filter cartridge, whether or not combined with a water reservoir
    Patent number: 4995310
    Abstract: A disposable filter cartridge comprising a housing substantially including bottom and an upright side wall, the underside or bottom having one or more holes, said filter cartridges being provided at its top and at least a part of its bottom with filter material or a filter film. At least the filter material for the top is connected to the side wall or a flange-shaped extension thereof by means of a sealed joint. The filter material destined for the underside or bottom of the housing is cup-shaped and is received in the housing of the filter cartridge so as to be immovable.
    Type: Grant
    Filed: May 5, 1989
    Date of Patent: February 26, 1991
    Assignee: Douwe Egberts Koninklijke Tabaksfabriek-Koffiebranderijen-Theehandel N.V.
    Inventors: Joost van der Lijn, Bernardus M. Van Thoor
  • Disposable filter cartridge, whether or not combined with a water reservoir
    Patent number: 4860645
    Abstract: A disposable filter cartridge comprising a housing substantially including a bottom and an upright side wall, the underside or bottom having one or more holes, said filter cartridges being provided at its top and at least a part of its bottom with filter material or a filter film. At least the filter material for the top is connected to the side wall or a flange-shaped extension thereof by means of a sealed joint. The filter material destined for the underside or bottom of the housing is cup-shaped and is received in the housing of the filter cartridge so as to be immovable.
    Type: Grant
    Filed: November 10, 1986
    Date of Patent: August 29, 1989
    Assignee: Douwe Egberts Koninklijke Tabaksfabriek-Koffiebranderijen-Theehandel
    Inventors: Joost van der Lijn, Bernardus M. van Thoor