Patents by Inventor John Leonard Boul

John Leonard Boul 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).

  • Single-serve permeable beverage filter and method of using same
    Patent number: 8221813
    Abstract: A disposable, single serve, fluid permeable filter configured to substantially conform to the contour of the interior surface of a permanent filter basket used in single serve type beverage brewers.
    Type: Grant
    Filed: April 17, 2009
    Date of Patent: July 17, 2012
    Inventor: John Leonard Boul
  • Single-serve permeable beverage filter
    Publication number: 20100047419
    Abstract: A disposable, single serve, fluid permeable filter configured to substantially conform to the contour of the interior surface of a permanent filter basket used in single serve type beverage brewers.
    Type: Application
    Filed: April 17, 2009
    Publication date: February 25, 2010
    Inventor: John Leonard Boul