Patents by Inventor Karl N. A. Nilsson

Karl N. A. Nilsson 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).

  • Arrangement for utilizing solar energy for heating buildings
    Patent number: 4006856
    Abstract: An arrangement utilizing solar energy for heating a building having channel spaces in the roof, the outer walls, and the floor, all mutually communicating in series with each other in at least one cross-section of said building and being sealed toward the surrounding atmosphere, a preferably plane solar heat absorbing body being located in one or more of the channel spaces, which channels extend in the circulation path of the air stream along such a body, and a separate channel space including a heat-accumulating magazine.
    Type: Grant
    Filed: March 14, 1975
    Date of Patent: February 8, 1977
    Assignee: Aktiebolaget Svenska Flaktfabriken
    Inventor: Karl N. A. Nilsson