Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7188492 | Plate heat exchanger | Horst Corduan | 2007-03-13 |
| 7152432 | Multistory bath condenser | Alfred Wanner, Horst Corduan, Karl Heinrich Schweigert | 2006-12-26 |
| 7134297 | Low-temperature air fractionation process | Horst Corduan | 2006-11-14 |
| 6776004 | Air fractionation process and installation with mixing column and krypton-xenon recovery | Christian Kunz | 2004-08-17 |
| 6662595 | Process and device for obtaining a compressed product by low temperature separation of air | Horst Corduan, Christian Kunz | 2003-12-16 |
| 6629433 | Process and apparatus for heat exchange | Horst Corduan, Karl Leibl | 2003-10-07 |
| 6560992 | Adjustment process for a low-temperature rectification unit | Horst Corduan | 2003-05-13 |
| 6477860 | Process for obtaining gaseous and liquid nitrogen with a variable proportion of liquid product | Christian Kunz | 2002-11-12 |
| 6470707 | Process for obtaining gaseous nitrogen | Christian Kunz | 2002-10-29 |
| 6196023 | Method and device for producing compressed nitrogen | Horst Corduan, Juergen Voit, Christian Kunz, Wolfgang Haag | 2001-03-06 |
| 5964104 | Method and device for obtaining nitrogen by low-temperature separation of air | — | 1999-10-12 |
| 5749246 | Method and device for obtaining oxygen and nitrogen at superatmospheric pressure | — | 1998-05-12 |
| 5251449 | Process and apparatus for air fractionation by rectification | — | 1993-10-12 |
| 5036672 | Process and apparatus for air fractionation by rectification | — | 1991-08-06 |
| 5034043 | Air separation with argon recovery | — | 1991-07-23 |
| 4824453 | Process and apparatus for air separation by rectification | Horst Corduan | 1989-04-25 |