Patents by Inventor John C. Queen

John C. Queen 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).

  • Efficiency monitoring device for textile machines and the like
    Patent number: 4631930
    Abstract: A compact, self-contained device for direct mounting on a knitting or other textile machine for monitoring and displaying the machine's operating efficiency. A first digital LED continuously displays machine operating efficiency. During machine operation, a second digital LED displays the number of previous machine stoppages and, during machine stoppages, displays the elapsed time of the prevailing machine stoppage. Operating switches permit selective display on the second LED of either the total elapsed time of device operation which forms the time base for the efficiency value or the duration of the longest previous machine stoppage.
    Type: Grant
    Filed: January 28, 1986
    Date of Patent: December 30, 1986
    Assignee: Microtrak, Inc.
    Inventors: Alan Gutschmit, John C. Queen