Patents by Inventor John H. Warner

John H. Warner 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).

  • Support bar attachment for an electric heater element
    Patent number: 6097003
    Abstract: An apparatus (10) supports an electrical heating element (H) which is mounted in an oven (O). When supplied with electricity, the element heats the oven to cook food. During an operating cycle, the heating element expands and contracts along its length. The apparatus comprises a support bar (12) including an elongate plate (16) and bracketry (14) for mounting the plate to an inner wall (T) of the oven. The support bar extends orthogonally of a longitudinal axis of the heating element when the heating element is installed. The plate has spaced openings (18), each of which is sized for a length of the heating element to be fitted in an opening. Each opening comprises a slot one end of which extends into the body of the plate for a portion of the plate to cover the slot. The other end of the slot is open to receive the heating element, the portion of the heating element received in each slot being fitted into the covered end of the slot.
    Type: Grant
    Filed: January 9, 1998
    Date of Patent: August 1, 2000
    Assignee: Emerson Electric Company
    Inventors: Randall Markum, Stacy V. Springer, John H. Warner
  • Method for detecting and a detector for indicating excessive temperature at electrical wiring devices
    Patent number: 4170190
    Abstract: A method of detecting an excessive temperature at electrical wiring devices and detector for indicating by means of a color change an electrical failure at a wiring device which failure results in an excessive temperature increase.
    Type: Grant
    Filed: April 4, 1978
    Date of Patent: October 9, 1979
    Inventor: John H. Warner