Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6733598 | Brazing flux for dry application | Hans-Walter Swidersky, Alfred Ottmann | 2004-05-11 |
| 6723153 | Isolation of SF6 from insulating gases in gas-insulated lines | Michael Pittroff, Thomas Schwarze | 2004-04-20 |
| 6706090 | Method for recovering and/or separating sulfur oxyfluorides from gas mixtures | Michael Pittroff, Matthias Rieland, Thomas Schwarze | 2004-03-16 |