Patents by Inventor Ernest L. Tell

Ernest L. Tell 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).

  • Ice thickness measuring system
    Patent number: 8132461
    Abstract: An ice thickness measurement system for determining thicknesses of an ice sheet such as an ice rink that is positioned on a solid or granular substrate. The system determines the thickness of the ice sheet using an acoustic technique, is portable, and may include a display graphic or graphical user interface on the portable unit to direct operators of the unit where to conduct an array of measurements on the ice sheet. The system may also be compatible with a computer for downloading of data and uploading of graphical displays.
    Type: Grant
    Filed: March 19, 2008
    Date of Patent: March 13, 2012
    Assignee: Prec“ICE” Technology, Inc.
    Inventors: Mark Clasen, Orrin Milo McGill, Philip Eric Erickson, Ernest L. Tell
  • Ice thickness measuring system
    Publication number: 20080295599
    Abstract: An ice thickness measurement system for determining thicknesses of an ice sheet such as an ice rink that is positioned on a solid or granular substrate. The system determines the thickness of the ice sheet using an acoustic technique, is portable, and may include a display graphic or graphical user interface on the portable unit to direct operators of the unit where to conduct an array of measurements on the ice sheet. The system may also be compatible with a computer for downloading of data and uploading of graphical displays.
    Type: Application
    Filed: March 19, 2008
    Publication date: December 4, 2008
    Inventors: Mark Clasen, Orrin Milo McGill, Philip Eric Erickson, Ernest L. Tell
  • Electromechanically controlled automatic transfer switch and bypass switch assembly
    Patent number: 4423336
    Abstract: An electromechanically controlled switch assembly including an automatic, three position, removable, transfer switch and a three position, manually operated bypass switch assembly. Electromechanical controls are utilized to sense the position of both switches, including whether or not the bypass switch is being manually switched to the normal or an emergency source of power, whether or not the power sources are available, and whether or not the transfer switch is properly located within its supporting frame for normal operation, completely isolated, or isolated from the load but in the correct location for testing.
    Type: Grant
    Filed: May 17, 1982
    Date of Patent: December 27, 1983
    Assignee: McGraw-Edison Company
    Inventors: James R. Iverson, Ernest L. Tell, Terry L. Pinotti