Patents by Inventor Finn H. Dethloff

Finn H. Dethloff 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).

  • Process and apparatus for treatment of waste gases
    Patent number: 4176019
    Abstract: In the scrubbing of gases containing sorbable contaminants, particularly the waste gases from reduction cells for electrolytic production of aluminium the waste gas is injected tangentially into the bottom of a cylindrical chamber, from which it is withdrawn through an axial outlet passage at the top end. A solid sorbent material is introduced into the chamber at one or more positions at the top end of the chamber in such a way that it enters the ascending gas stream in a peripheral zone of the chamber.
    Type: Grant
    Filed: March 10, 1978
    Date of Patent: November 27, 1979
    Assignees: Ardal og Sunndal Verk a.s., Alcan Research and Development Limited
    Inventor: Finn H. Dethloff