Patents by Inventor Robert Grätz

Robert Grätz 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).

  • Flexible impedance matching for a microwave generator supplied with pulse current
    Patent number: 8853945
    Abstract: A method for operating an arrangement of equipment that include a pulse generator for generating electrical pulses, a microwave generator with a break-through voltage, and a transmission element is provided. For transmission of the pulses, the pulse generator is connected to the microwave generator via the transmission element, which in the arrangement of equipment, acts as an impedance varying over time. The voltage characteristic over time or the current characteristic over time of each pulse is defined such that in an operating mode, the impedance of the transmission element is matched to the impedance of the microwave generator when the break-through voltage is reached.
    Type: Grant
    Filed: November 16, 2012
    Date of Patent: October 7, 2014
    Assignee: Siemens Aktiengesellshaft
    Inventors: Robert Grätz, Oliver Heuermann, Sven Müller, Martin Schön, Stefan Willing
  • Generator
    Patent number: D878293
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: March 17, 2020
    Assignee: Siemens Healthcare GmbH
    Inventors: Walter Beyerlein, Andreas Daenzer, Johannes Gareus, Tobias Grassl, Robert Graetz, Andreas Hader, Stefan Henke, Norbert Hoffmann, Philipp Kutzer, Ulf Lanz, Thomas Luthardt, Siegfried Meisel, Juergen Oelschlegel, Martin Schoen, Stefan Waffler, Georg Weber, Thomas Weidinger