Patents by Inventor Dieter Röttger

Dieter Röttger 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).

  • Patent number: 7414870
    Abstract: An inverter includes an intermediate circuit, inverter bridge branches downstream of the intermediate circuit for outputting a power signal, and a controller operable for individually turning on and off the inverter bridge branches. The controller may individually turn on and off the inverter bridge branches as a function of an electrical quantity. The electrical quantity may be indicative of a voltage or a change in voltage occurring in the intermediate circuit during operation of the inverter. The electrical quantity may be indicative of the output power signal. The inverter bridge branches may include three inverter bridge branches.
    Type: Grant
    Filed: May 17, 2007
    Date of Patent: August 19, 2008
    Assignee: Kostal Industrie Elektrik GmbH
    Inventors: Dieter Röttger, Thomas Vogel