Patents by Inventor Bernard William Knight

Bernard William Knight 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).

  • Control apparatus for gas burning appliance
    Patent number: 4102628
    Abstract: A control apparatus for a fanned, gaseous fuel-burning appliance, such as a water boiler for a domestic central heating system; the control apparatus includes electrical circuitry comprising first and second changeover switches each having a normally-closed pair of contacts and a third, normally-open contact, and a third switch; the switches are connected in a particular way to actuate gas valves and the fan of the appliance in a manner which provides improved safety features.
    Type: Grant
    Filed: December 8, 1976
    Date of Patent: July 25, 1978
    Assignee: Potterton International Limited
    Inventors: Paul Frederick Goff, Bernard William Knight, Kenneth James Prentice