Patents by Inventor Christof Wetzel

Christof Wetzel 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).

  • Inverter
    Patent number: D727263
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: April 21, 2015
    Assignee: SMA Solar Technology AG
    Inventors: Alexander Benn, Christof Wetzel
  • Inverter
    Patent number: D739352
    Type: Grant
    Filed: October 10, 2013
    Date of Patent: September 22, 2015
    Assignee: SMA Solar Technology AG
    Inventors: Alexander Benn, Christof Wetzel
  • Inverter
    Patent number: D756921
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: May 24, 2016
    Assignee: SMA Solar Technology AG
    Inventors: Alexander Benn, Christof Wetzel
  • Inverter
    Patent number: D798809
    Type: Grant
    Filed: May 1, 2015
    Date of Patent: October 3, 2017
    Assignee: SMA SOLAR TECHNOLOGY AG
    Inventors: Alexander Benn, Christof Wetzel
  • Inverter
    Patent number: D798810
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: October 3, 2017
    Assignee: SMA SOLAR TECHNOLOGY AG
    Inventors: Alexander Benn, Christof Wetzel