Patents by Inventor Antonius Klaassen

Antonius Klaassen 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).

  • Filter for extraction device
    Publication number: 20060032380
    Abstract: A method and device for preparing an extract with a froth layer, provided with a holder which during use includes a lower filter and an upper filter, each consisting of an outer edge of washable, sturdy material, which fit onto each other, and an inner part of washable material with small holes, and wherein the substance to be extracted is received between the lower filter and the upper filter. A lower filter or upper filter for use in such a device is also disclosed.
    Type: Application
    Filed: May 26, 2003
    Publication date: February 16, 2006
    Inventor: Antonius Klaassen