Patents by Inventor Alexandra Heisig

Alexandra Heisig 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).

  • Field device
    Patent number: D653626
    Type: Grant
    Filed: May 20, 2010
    Date of Patent: February 7, 2012
    Assignee: Siemens Aktiengesellschaft
    Inventors: Andreas Grünwald, Alexandra Heisig, Eric Lude, Thomas Menke, Eberhard Ohlert, Axel Platz, Volker Rissland, Thomas Schüppler
  • Field device
    Patent number: D660799
    Type: Grant
    Filed: May 20, 2010
    Date of Patent: May 29, 2012
    Assignee: Siemens Aktiengesellschaft
    Inventors: Andreas Grünwald, Alexandra Heisig, Eric Lude, Thomas Menke, Eberhard Ohlert, Axel Platz, Volker Rissland, Thomas Schüppler
  • Field device
    Patent number: D661252
    Type: Grant
    Filed: May 20, 2010
    Date of Patent: June 5, 2012
    Assignee: Siemens Aktiengesellschaft
    Inventors: Andreas Grünwald, Alexandra Heisig, Eric Lude, Thomas Menke, Eberhard Ohlert, Axel Platz, Volker Rissland, Thomas Schüppler
  • Field device
    Patent number: D661253
    Type: Grant
    Filed: May 20, 2010
    Date of Patent: June 5, 2012
    Assignee: Siemens Aktiengesellschaft
    Inventors: Andreas Grünwald, Alexandra Heisig, Eric Lude, Thomas Menke, Eberhard Ohlert, Axel Platz, Volker Rissland, Thomas Schüppler
  • Field device
    Patent number: D661254
    Type: Grant
    Filed: May 20, 2010
    Date of Patent: June 5, 2012
    Assignee: Siemens Aktiengesellschaft
    Inventors: Andreas Grünwald, Alexandra Heisig, Eric Lude, Thomas Menke, Eberhard Ohlert, Axel Platz, Volker Rissland, Thomas Schüppler
  • Field device
    Patent number: D666150
    Type: Grant
    Filed: May 20, 2010
    Date of Patent: August 28, 2012
    Assignee: Siemens Aktiengesellschaft
    Inventors: Andreas Grünwald, Alexandra Heisig, Eric Lude, Thomas Menke, Eberhard Ohlert, Axel Platz, Volker Rissland, Thomas Schüppler