Patents by Inventor Keith Roger Dierberg

Keith Roger Dierberg 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).

  • Publication number: 20140227397
    Abstract: A method for hydrating yeast comprises several steps. A package comprising a thermochromic ink and an indicator is provided. A liquid is provided. The temperature of the liquid is measured by placing the package in contact with the liquid. The liquid is heated or cooled until the thermochromic ink indicates the liquid is within the predetermined temperature range. The liquid and yeast are combined. The package comprises a pouch, a thermochromic ink, and an indicator. The pouch is formed from one or more films sealed together to create an internal space. The thermochromic ink and indicator are arranged relative to each other to indicate when the liquid is within a predetermined temperature range. The thermochromic ink changes color when the liquid is within the predetermined temperature range.
    Type: Application
    Filed: February 7, 2014
    Publication date: August 14, 2014
    Applicant: ACH Food Companies, Inc.
    Inventors: Paul Friedman, Robert Larkin, Kelsey Kirchhoff, Keith Roger Dierberg