Patents by Inventor Carl Litherland

Carl Litherland 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).

  • Drying device for drying bulk material
    Patent number: 6415528
    Abstract: A drying device for drying bulk material has one or more storage containers for the bulk material and a heating device for heating the drying air for drying the bulk material. A drying air conduit is connected to the heating device and the storage containers and guides the drying air to the storage containers. One or more first mixing valves are arranged in the drying air conduit upstream of the storage containers, wherein the first mixing valves are used to adjust the temperature of the drying air before the drying air enters the storage containers. The heating device has also the function of regenerating the drying units provided for removing the moisture from the drying air.
    Type: Grant
    Filed: June 14, 2001
    Date of Patent: July 9, 2002
    Assignee: Motan Holding GmbH
    Inventors: Klaus Höller, Holger Kühnau, Frank Fischer, Carl Litherland
  • Drying device for drying bulk material
    Publication number: 20020007566
    Abstract: A drying device for drying bulk material has one or more storage containers for the bulk material and a heating device for heating the drying air for drying the bulk material. A drying air conduit is connected to the heating device and the storage containers and guides the drying air to the storage containers. One or more first mixing valves are arranged in the drying air conduit upstream of the storage containers, wherein the first mixing valves are used to adjust the temperature of the drying air before the drying air enters the storage containers. The heating device has also the function of regenerating the drying units provided for removing the moisture from the drying air.
    Type: Application
    Filed: June 14, 2001
    Publication date: January 24, 2002
    Applicant: Motan Holding GmbH
    Inventors: Klaus Holler, Holger Kuhnau, Frank Fischer, Carl Litherland