Patents by Inventor John M. Jackson, Jr.

John M. Jackson, Jr. 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).

  • Self-calibrating temperature controller
    Patent number: 5719378
    Abstract: A self-calibrating temperature controller adapted for use in controlling closely the temperature of hot-melt adhesive dispensed from an adhesive supply unit is provided. The temperature controller includes a microcomputer operated under a stored program to perform automatically a self-calibrating operation. A non-volatile memory is provided for storing RTD values in a lookup table so as to compensate for the non-linearity of the RTD sensors.
    Type: Grant
    Filed: November 19, 1996
    Date of Patent: February 17, 1998
    Assignee: Illinois Tool Works, Inc.
    Inventors: John M. Jackson, Jr., Chris M. Jamison