Patents by Inventor Hartwig Grothkopp

Hartwig Grothkopp 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).

  • BATTERY POWERED FLOOR CONVEYOR
    Publication number: 20090078483
    Abstract: A battery powered floor conveyor, characterised in that two or more individual battery cells of a maintenance-free battery are integrated in existing cavities or other badly accessible locations of the floor conveyor in a not or only difficultly removable or not exchangeable fashion, respectively, wherein at least one battery cell is built in inside a wheel arm, below a standing platform or into a lifting scaffold.
    Type: Application
    Filed: September 16, 2008
    Publication date: March 26, 2009
    Applicant: Jungheinrich Aktiengesellschaft
    Inventors: Hartwig Grothkopp, Andreas Knie, Ernst-Peter Magens, Frank Maenken, Christoph Weber