Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6809149 | Functionalized silicas | Manfred Ettlinger, Stephanie Frahn, Dieter Kerner | 2004-10-26 |
| 6783442 | Nickel-diamond-coated saw wire with improved anchoring of the diamond particles | Jorg Lukschandel | 2004-08-31 |
| 6776588 | Dry compressing vacuum pump having a gas ballast device | Lutz Arndt, Thomas Dreifert, Michael Holzemer, Frank-Udo Schönborn | 2004-08-17 |
| 6752864 | Granules based on pyrogenically prepared silicon dioxide doped with aluminum oxide by means of an aerosol, method of producing same, and use thereof | Helmut Mangold, Peter Neugebauer | 2004-06-22 |
| 6722118 | Method for open-end rotor spinning | Manfred Lassmann | 2004-04-20 |