Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7740403 | High-temperature sensor | Klaus Irrgang, Barbara Irrgang, Hartmut Kaempf, Klaus-Dieter Schaetzler, Aldo Bojarski +1 more | 2010-06-22 |
| 4852857 | Protective device for submersible lance in steel making or the like | Wilhelm Schwarz | 1989-08-01 |
| 4742715 | Apparatus for the manipulation of probes | Wilhelm Schwarz | 1988-05-10 |