Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501266 | Procedure and device for detecting nonuniformities in the wall thickness of inaccessible metal pipes | Guennadi Krivoi, Johann Hinken | 2002-12-31 |
| 6053126 | Cow bed | — | 2000-04-25 |
| 5545987 | Monitoring device for tension members of soil or rock anchors, compression members of poles, prestressing elements for prestressed concrete structures and bridge cables | Karl Schutt, Johann Hinken, Savtcho S. Tintchev | 1996-08-13 |