Patents by Inventor David F. Rowland

David F. Rowland 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).

  • Thermal insulation blanket for a hot water heater
    Patent number: 4892771
    Abstract: This invention is an insulation device and material comprising fiberglass covered or sandwiched between polyethylene or woven polyethylene. The invention as disclosed herein has superior insulative characteristics over and above the use of fiberglass alone or fiberglass covered by paper, foil or plastic materials commonly found in the prior art. The invention is particularly well suited to the insulation of liquid containing vessels and conveyance means, such as water heaters and pipes.
    Type: Grant
    Filed: April 1, 1988
    Date of Patent: January 9, 1990
    Inventor: David F. Rowland