Patents by Inventor Helmut Schellinger

Helmut Schellinger 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 for producing selective absorbers
    Patent number: 5912045
    Abstract: This invention relates to a process for producing a selective absorber which contains one or more layers of a non-homogeneous material (cermet), the non-homogeneous material having been produced by means of a sol-gel process.
    Type: Grant
    Filed: November 21, 1997
    Date of Patent: June 15, 1999
    Inventors: Thomas Eisenhammer, Helmut Schellinger, Miladin Lazarov