Patents by Inventor Kari Esa Haaga

Kari Esa Haaga 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).

  • Black liquor gun
    Publication number: 20040123813
    Abstract: The invention relates to a black liquor gun (4) for feeding black liquor into a recovery boiler (1), comprising a nozzle (11) to be inserted into a furnace (2). Inside the black liquor gun (4) there is a flow guidance element (16), which provides an annular flow channel between the outer wall (14) and the flow guidance element (16).
    Type: Application
    Filed: October 30, 2003
    Publication date: July 1, 2004
    Applicant: KVAERNER POWER OY
    Inventors: Kari Esa Haaga, Seppo Juhani Puhtila