Patents by Inventor Henry Groth, Jr.

Henry Groth, Jr. 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).

  • Refrigeration system and components thereof
    Patent number: 7451614
    Abstract: A refrigeration system having a container with at least two different temperature cooling zones separated by a divider. The divider has a wall and a partition spaced apart from each other. The partition has a heat transfer plate with a sheet with a heat transfer substance attached thereto. The refrigeration system may be cooled by a variable capacity compressor system having refrigeration and hot-gas defrost modes. The system is defrosted by circulation of gas therethrough. A controller may be engaged to and selectably operate the compressor system.
    Type: Grant
    Filed: April 1, 2004
    Date of Patent: November 18, 2008
    Assignee: Perlick Corporation
    Inventors: Frederick G. Luehrs, Henry Groth, Jr., Karl R. Krumbiegel, Ryan K. Marks, Kevin M. Rehm, Gottfried Urban, Timothy Alan Gilbertson, Dennis Weigand