Patents by Inventor Daniel A. J. Dijs

Daniel A. J. Dijs 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).

  • Patent number: 4602558
    Abstract: An apparatus for making one or more consumption units of coffee, comprising coffee container, means for metering a portion of coffee at a metering station immediately prior to use, means for compacting the coffee in a compacting space at a compacting station, as well as means for transferring the coffee from the metering station to the compacting station and furthermore means for transferring the compacted coffee to an extraction unit connected to a hot water source. Extraction is effected more efficiently by compacting the coffee at a pressure on the coffee of about 1,000 kg/cm.sup.2.
    Type: Grant
    Filed: December 3, 1984
    Date of Patent: July 29, 1986
    Assignee: Douwe Egberts Koninklijke tabaksfabriek koffiebranderijen-Theehandel N.V.
    Inventors: Louris Kaper, Daniel A. J. Dijs