Patents by Inventor Franz Josef Zellerhoff

Franz Josef Zellerhoff 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).

  • Transport Device For Bulk Material
    Publication number: 20080101152
    Abstract: The invention relates to a transport device for bulk material, comprising a mixer, a feed for bulk material and a feed for liquid into the mixer, and means for withdrawing mixing material from the mixer and to preferably transport it further via pipelines, i.e. in particular with a pump.
    Type: Application
    Filed: October 24, 2007
    Publication date: May 1, 2008
    Applicant: Gebr. Lodige Maschinenbau GmbH
    Inventors: Franz Josef Zellerhoff, Frank Eric Sandfort