Patents by Inventor Leroy J. Salisbury

Leroy J. Salisbury 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).

  • Temperature sensor using pulse width modulator for duty cycle control
    Patent number: 4007425
    Abstract: The temperature controller senses the temperature unbalance and converts s into a DC voltage which is compared with an oscillator by a pulse width modulator. The output of pulse width modulator controls the duty cycle of a heater.
    Type: Grant
    Filed: January 12, 1976
    Date of Patent: February 8, 1977
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Leroy J. Salisbury