Patents by Inventor Matthias Herfeld

Matthias Herfeld 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).

  • Patent number: 8979354
    Abstract: A mixer 1 for thermal treatment of a material for mixing consisting of solid particles comprises a mixing vessel 2 for admitting the material for mixing. The vessel 2 has at least one thermal medium channel that with its surface gets at least partially in contact with the solid particles to be heat-treated, through which thermal treatment media are fed when the mixer 1 is in operation. Additionally, the mixer 1 has available a device for circulating the material for mixing found in the container 2. The container 2 is turnably supported about an axis R that penetrates the two front sides 7, 20. A motorized drive 17, 18, 18.1 serves as a circulating device to turn the container 2.
    Type: Grant
    Filed: May 26, 2010
    Date of Patent: March 17, 2015
    Assignee: Dr. Herfeld GmbH & Co. KG
    Inventors: Ulrich Tölle, Wolfgang Rüberg, Matthias Herfeld
  • Publication number: 20100302898
    Abstract: A mixer 1 for thermal treatment of a material for mixing consisting of solid particles comprises a mixing vessel 2 for admitting the material for mixing. The vessel 2 has at least one thermal medium channel that with its surface gets at least partially in contact with the solid particles to be heat-treated, through which thermal treatment media are fed when the mixer 1 is in operation. Additionally, the mixer 1 has available a device for circulating the material for mixing found in the container 2. The container 2 is turnably supported about an axis R that penetrates the two front sides 7, 20. A motorized drive 17, 18, 18.1 serves as a circulating device to turn the container 2.
    Type: Application
    Filed: May 26, 2010
    Publication date: December 2, 2010
    Applicant: DR. HERFELD GMBH & CO. KG
    Inventors: Ulrich Tölle, Wolfgang Rüberg, Matthias Herfeld