Patents by Inventor Donald W. Denton

Donald W. Denton 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).

  • Water heater construction
    Patent number: 4527543
    Abstract: A water heater including a tank, a cylindrical jacket, surrounding the tank to provide an insulating space therebetween and a cover member mounted on top of the jacket to close off the top of the insulating space. An insulating wall is provided in the insulating space between the tank and the jacket. The insulating wall is comprised of a plastic envelope member and a wall of insulating material which has been foamed-in-place inside the envelope member.
    Type: Grant
    Filed: July 16, 1981
    Date of Patent: July 9, 1985
    Assignee: State Industries, Inc.
    Inventor: Donald W. Denton
  • Method of insulating the exterior of a water heater tank
    Patent number: 4447377
    Abstract: A water heater including a tank, a cylindrical jacket, surrounding the tank to provide an insulating space therebetween and a cover member mounted on top of the jacket to close off the top of the insulating space. An insulating wall is provided in the insulating space between the tank and the jacket. The insulating wall is comprised of a plastic envelope member and a wall of insulating material which has been foamed-in-place inside the envelope member.
    Type: Grant
    Filed: March 1, 1982
    Date of Patent: May 8, 1984
    Assignee: State Industries, Inc.
    Inventor: Donald W. Denton