Patents by Inventor Torkjell Flatland

Torkjell Flatland 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).

  • Patent number: 4378745
    Abstract: An incinerator includes primary and secondary combustion zones, the two zones being connected via an intermediate section having an interior in the form of a restricted annular space. The inner surface of the annular space is perforated, and secondary combustion air is introduced into the annular space through these perforations, whereby combustion gases and air under violent rotation expand into an enlarged secondary combustion zone.
    Type: Grant
    Filed: June 25, 1980
    Date of Patent: April 5, 1983
    Assignee: Norsk Hydro A.S.
    Inventor: Torkjell Flatland