Patents by Inventor Reidar Tjeldhorn

Reidar Tjeldhorn 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).

  • System for voltage stabilization of power supply lines
    Patent number: 7180206
    Abstract: The invention relates to a voltage stabilization system for power supply lines, comprising a variable inductance, an autotransformer and a system for controlling the variable inductance to automatically compensating for voltage variations of the power supply lines. The system can include a control system that includes a processor unit, a setpoint adjustment unit, a feedback unit and a rectifier circuit.
    Type: Grant
    Filed: December 12, 2003
    Date of Patent: February 20, 2007
    Assignee: Magtech AS
    Inventors: Espen Haugs, Frank Strand, Reidar Tjeldhorn