Patents by Inventor Borje Aslund

Borje Aslund 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).

  • Heating boiler
    Patent number: 4180018
    Abstract: A heating boiler with a combustion chamber between a front wall, a rear wall and a convection part in each one of the side walls, a flue system composed of parallel flues of substantially circular cross-section arranged vertically in different cross-section planes through the boiler with at least two flues in each side wall in one and the same cross sectional plane, forming upwards or downwards passages for flue gases.
    Type: Grant
    Filed: September 21, 1977
    Date of Patent: December 25, 1979
    Assignee: Parca Norrahammar AB
    Inventors: Bruno Larsson, Kurt Bohm, Janeric Strom, Borje Aslund