Patents by Inventor Alexander M. Semple

Alexander M. Semple 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).

  • Patent number: 4111358
    Abstract: A control for cooking ovens having bake and broil burners is disclosed which includes a support base, three switches supported by the base which are electrically connected in controlling circuits for the burners, a manually operable selector mechanism for selecting desired oven functions and oven temperature levels, a thermostatic actuator which coacts with first and second of the switches and the selector mechanism to govern burner operation in response to sensed temperature levels, and an oven function control actuator which coacts with a plurality of the switches and the selector mechanism for enabling operation of the selected burners.The selector mechanism includes an operating member which is supported by the base for rotation about an axis by a control knob or dial. The function control actuator includes a cam member supported for rotation by the operating member and a cam blade supported for rotation by the cam member as well as for tipping or rocking motion by the cam member.
    Type: Grant
    Filed: March 23, 1977
    Date of Patent: September 5, 1978
    Assignee: Ranco Incorporated
    Inventor: Alexander M. Semple