Patent 6988444 was granted and assigned to Grindmaster Corporation on January, 2006 by the United States Patent and Trademark Office.
A combination grinder and brewer for grinding of coffee beans and delivering ground coffee to a brewing chamber for the brewing of a coffee beverage includes a fan for creating a positive pressure air blanket at the interface between the delivery system and the brewing chamber so as to minimize movement of moistened air from the brewing chamber into the delivery system.