Patents per Year
Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7347413 | Tray column and method for mass transfer in a tray column | Armin Diefenbacher, Ulrich Hammon, Thomas Walter, Bruno Seider, Wolfgang Schneider +2 more | 2008-03-25 | |
| 7118098 | Hydraulically sealed crossflow mass transfer tray | Joachim Thiel, Ulrich Hammon, Helmut Jansen, Björn Kaibel | 2006-10-10 | $457,000 |
| 7029557 | Method for producing an aqueous hydroxylamine solution devoid of salt | Karl-Heinz Wostbrock, Joachim Thiel, Heinz Krüger, Eckhard Ströfer, Markus Weber +3 more | 2006-04-18 | $1,777,000 |
| 6942762 | Method for the production of a salt-free aqueous hydroxylamine solution | Karl-Heinz Wostbrock, Joachim Thiel, Heinz Krüger, Eckhard Ströfer, Markus Weber +3 more | 2005-09-13 | $910,000 |