Patents by Inventor Hans Hoyer

Hans Hoyer 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 making mineral fibres
    Patent number: 8176754
    Abstract: Particulate mineral material suitable for forming a fiberisable melt is melted in a flame formed by combustion of powdered carbonaceous fuel with preheated air and the particulate mineral material is then preheated, and the exhaust gases are subjected to NOx reduction, in a cyclone preheater (22).
    Type: Grant
    Filed: June 26, 2002
    Date of Patent: May 15, 2012
    Assignee: Rockwool International A/S
    Inventors: Leif Moeller Jensen, Ole Andreasen, Hans Hoyer, Trine Frickmann, Lars Boellund
  • Process and apparatus for making mineral fibres
    Publication number: 20050172677
    Abstract: Particulate mineral material suitable for forming a fiberisable melt is melted in a flame formed by combustion of powdered carbonaceous fuel with preheated air and the particulate mineral material is then preheated, and the exhaust gases are subjected to NOx reduction, in a cyclone preheater (22).
    Type: Application
    Filed: June 26, 2002
    Publication date: August 11, 2005
    Inventors: Leif Jensen, Ole Andreasen, Hans Hoyer, Trine Frickmann, Lars Boellund