Patents by Inventor Hans Erler

Hans Erler 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).

  • Method and system for purifying exhaust gas
    Patent number: 7272942
    Abstract: The invention relates to a method and system for purifying exhaust gas, especially a solvent-containing exhaust gas from refrigerator recycling, wherein the dried, pressurized exhaust gas is cryogenically condensed, the condensed components are separated from the remaining exhaust gas, the cold and purified pressurized exhaust gas is passed through an adsorber to adsorbe the remaining condensed components, the adsorber is purged with a warmed gas stream, namely either a warmed inert gas stream or the purified exhaust gas respectively at reduced pressure, and the desorbed gas is recycled.
    Type: Grant
    Filed: April 28, 2004
    Date of Patent: September 25, 2007
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Hans Erler, Peter Zollner, Klaus Hermanns, Norbert Hagenbruck
  • Method and system for purifying exhaust gas
    Publication number: 20040261451
    Abstract: The invention relates to a method and system for purifying exhaust gas, especially a solvent-containing exhaust gas from refrigerator recycling, wherein the dried, pressurized exhaust gas is cryogenically condensed, the condensed components are seperated from the remaining exhaust gas, the cold and purified pressurized exhaust gas is passed through an adsorber to adsorbe the remaining condensed components, the adsorber is purged with a warmed gas stream, namely either a warmed inert gas stream or the purified exhaust gas respectively at reduced pressure, and the desorbed gas is recycled.
    Type: Application
    Filed: April 28, 2004
    Publication date: December 30, 2004
    Inventors: Hans Erler, Peter Zollner, Klaus Hermanns, Norbert Hagenbruck