Patents by Inventor Per-Ake Engwal Von Scheele

Per-Ake Engwal Von Scheele 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).

  • Publication number: 20080164333
    Abstract: The invention relates to a building heating system which includes an insulated foundation (9) beneath the lowermost (12) of the building. According to the invention, the system comprises at least one heat pump (1, 2) that includes a heat absorbing side (2) located in the foundation space (9). The system also includes means (23) for distributing air from the foundation space (9) to spaces situated above the floor (12). The system also includes means (7) for delivering external air to the foundation space (9). The invention also relates to a method of heating a building.
    Type: Application
    Filed: February 24, 2006
    Publication date: July 10, 2008
    Inventors: Sten Engwall, Per-Ake Engwal Von Scheele