Patents by Inventor S. Dennis Evans

S. Dennis Evans 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).

  • General motor calibration and torque calibration cartridge
    Publication number: 20020092338
    Abstract: A device for calibrating drag test drives comprises a disk drive unit, a non conductive, non magnetic disk, and a magnet placed substantially planar to the non magnetic disk wherein the disk can spin in the disk drive through a magnetic field produced by the magnet. The device also comprises a current measuring device wherein the device measures the amount of current the disk drive motor draws while spinning the disk.
    Type: Application
    Filed: January 15, 2001
    Publication date: July 18, 2002
    Inventors: Michael V. Andersen, S. Dennis Evans, Michael J. Scoresby, Wayne A. Sumner, Charles Hudson