Patents by Inventor Robert W. Tilton

Robert W. Tilton 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).

  • Method and apparatus for manufacturing a foam insulated water heater
    Patent number: 4477399
    Abstract: A method for insulating a water heater with foamed insulation comprises inflating a tube in the cavity between the shell and the tank to define a boundary for the cavity into which the insulating material is injected. The device is deflated after the foamed insulation has set in the cavity. Apparatus for carrying out such method is provided.
    Type: Grant
    Filed: June 16, 1982
    Date of Patent: October 16, 1984
    Assignee: GSW Inc.
    Inventor: Robert W. Tilton
  • Windowed oven door having shield raising and door locking system
    Patent number: 4127101
    Abstract: A windowed oven door for ranges having self-cleaning ovens comprises a system for simultaneously locking the door and raising a shield to cover the window. A linkage mechanism in the shield raising part of the system includes a pair of overcenter link arms which are retained in their past dead center position while the oven door is locked on an oven during its self-cleaning cycle.
    Type: Grant
    Filed: May 23, 1977
    Date of Patent: November 28, 1978
    Assignee: GSW Limited -- GSW Limitee
    Inventor: Robert W. Tilton