Patents by Inventor Theo EELMAN

Theo EELMAN 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).

  • BEVERAGE PREPARATION APPARATUS AND CARTRIDGES WITH USE INDICATION
    Publication number: 20210331864
    Abstract: The present invention relates to a cartridge containing a beverage preparation ingredient and a beverage preparation apparatus for use with the cartridge. At least one of the surfaces of the cartridge comprises a patch of material, said patch being adapted to be at least partially dissolved or removed by fluid entering or flowing around the cartridge and to cause a detectable change indicating that fluid has made contact with the patch of material.
    Type: Application
    Filed: June 29, 2018
    Publication date: October 28, 2021
    Inventors: Bart-Jan ZWART, Theo EELMAN