Patents by Inventor H. Nelson Bender

H. Nelson Bender 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).

  • Adjustable temperature sensor
    Patent number: 4376928
    Abstract: An adjustable temperature sensor control device wherein mercury in a well is displaced upwards in a capillary with one electrical contact within the well and another electrical contact positioned within the capillary. The displacement of the mercury is accomplished by rotating a knob which is screw thread connected to a stem. The stem moves within the well to displace mercury through the capillary.
    Type: Grant
    Filed: July 31, 1981
    Date of Patent: March 15, 1983
    Inventors: H. Nelson Bender, Frank Bender