Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5143631 | Filtering device, especially for the separation of coarse particles from a lubricant suspension, and process for its use | — | 1992-09-01 |
| 5102468 | Device for applying a descaling agent to the inner surface of a hollow billet | Norbert Richle | 1992-04-07 |
| 5042209 | Process for charging a carrier gas stream with a free-flowing material and process for operating the device | Norbert Richle, Willi Heusser | 1991-08-27 |
| 5016456 | Process for making hollow billets into tubes | Raimo Peltoniemi, Norbert Richle, Dietrich Ulrich | 1991-05-21 |
| 4735734 | Process for preparing suspensions of solid lubricants | Hans-Rudolf Staub | 1988-04-05 |
| 4665936 | Process for the control of turbidity currents | — | 1987-05-19 |