Patents by Inventor Johan Fredrick Mahrs

Johan Fredrick Mahrs 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).

  • Engine cooling system and method for engine cooling
    Patent number: 8931440
    Abstract: Various methods and systems are provided for adjusting the speed of a cooling system fan. In one example, a method includes adjusting a speed of a cooling system fan based on ambient temperature, engine output, and a desired engine temperature.
    Type: Grant
    Filed: July 26, 2012
    Date of Patent: January 13, 2015
    Assignee: General Electric Company
    Inventors: Johan Fredrick Mahrs, Kyle E. Schmidt, John Y. Zhang
  • ENGINE COOLING SYSTEM AND METHOD FOR ENGINE COOLING
    Publication number: 20140026831
    Abstract: Various methods and systems are provided for adjusting the speed of a cooling system fan. In one example, a method includes adjusting a speed of a cooling system fan based on ambient temperature, engine output, and a desired engine temperature.
    Type: Application
    Filed: July 26, 2012
    Publication date: January 30, 2014
    Inventors: Johan Fredrick Mahrs, Kyle E. Schmidt, John Y. Zhang