Patents by Inventor Rolf Hoffman

Rolf Hoffman 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).

  • UNDERWATER POWER PLANT HAVING REMOVABLE NACELLE
    Publication number: 20110316282
    Abstract: The invention relates to an underwater powerplant, comprising a support structure; a nacelle, the support structure and the nacelle being detachably connectable to one another via a coupling device; a water turbine, which at least indirectly drives an electrical generator, which is received in the nacelle; characterized in that the underwater powerplant further comprises an inductive transmission device, which transmits the power generated by the electrical generator from the nacelle in a contactless manner to the support structure.
    Type: Application
    Filed: November 23, 2009
    Publication date: December 29, 2011
    Inventors: Benjamin Holstein, Norman Perner, Rolf Hoffman, Andreas Lange, Michael Holle