Dirk Letzel
7Patents
2h-index
17Co-inventors
48Inventor score
Filing activity: Jul 13, 2000 → Aug 31, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6712123B1 | Method and device for change of section of a billet of a continuous casting plant during continuous casting | Performing Operations; Transporting | 3 | Expired |
| US7121323B2 | Method and device for the continuous casting and direct shaping of a metal strand, in particular a steel cast strand | Performing Operations; Transporting | 3 | Expired |
| US7137437B2 | Method and device for producing continuously cast steel slabs | Performing Operations; Transporting | 1 | Expired |
| US7159642B2 | Method and strand guide for supporting, guiding and cooling casting strands made of steel, especially preliminary sections for girders | Performing Operations; Transporting | 0 | Expired |
| US7284593B2 | Method and device for evacuating drainage water in the inner arc of beam blank casting machines | Performing Operations; Transporting | 0 | Expired |
| US12208442B2 | Method and spraying apparatus for the thermal surface treatment of a metal product | Performing Operations; Transporting | 0 | Active |
| US7849911B2 | Method and device for the continuous casting and direct deformation of a metal strand, especially a cast steel strand | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.