Jan Koeniger 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).
Abstract: A knock box for knocking off coffee grounds from a portafilter, the knock box having a base and walls extending away from the base for laterally delimiting the interior space of the knock box. The knock box has an impact surface located in the area of the walls of the knock box.
Abstract: The invention relates to a knock box (10) for knocking off coffee grounds from a portafilter. the knock box (10) having a base (16) and walls (18) extending away from the base (16) for laterally delimiting the interior space of the knock box (10). The knock box (10) lias an impact surface (20) located in the area of the walls (18) of the knock box (10).