Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11213867 | Method for cleaning phosgene conducting apparatus | Dirk Manzel, Peter Plathen, Udo Boegel | 2022-01-04 |
| 7866566 | Method for operating a tachograph and tachograph for carrying out the method | Dieter Klostermeier, Horst Nather, Thomas Riester | 2011-01-11 |
| 7542966 | Method and system for retrieving documents with spoken queries | Joseph K. Woelfel, Bhiksha Ramakrishnan | 2009-06-02 |
| 6877001 | Method and system for retrieving documents with spoken queries | Bhiksha Ramakrishnan | 2005-04-05 |
| 4859857 | Ion-projection apparatus and method of operating same | Gerhard Stengl, Hans Loschner | 1989-08-22 |