Patents by Inventor William C. Pelton

William C. Pelton 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).

  • Sine wave variable speed drive
    Patent number: 6531842
    Abstract: The present technique utilizes already existing components within a variable speed drive to provide harmonic filtering characteristics. Particularly, the present technique integrates transformers and inductors to provide a filter within the variable speed drive. Further, the present technique may also utilize a sine wave filter to provide additional filtering of unwanted frequencies.
    Type: Grant
    Filed: June 25, 2001
    Date of Patent: March 11, 2003
    Assignee: Schlumberger Technology Corp.
    Inventors: Kurt LeDoux, William C. Pelton
  • SINE WAVE VARIABLE SPEED DRIVE
    Publication number: 20020195988
    Abstract: The present technique utilizes already existing components within a variable speed drive to provide harmonic filtering characteristics. Particularly, the present technique integrates transformers and inductors to provide a filter within the variable speed drive. Further, the present technique may also utilize a sine wave filter to provide additional filtering of unwanted frequencies.
    Type: Application
    Filed: June 25, 2001
    Publication date: December 26, 2002
    Inventors: Kurt LeDoux, William C. Pelton