DORTMUND HOERDER HU TTENVER AG has a total of 32 patent applications. Its first patent ever was published in 1936. It filed its patents most often in France. Its main competitors in its focus markets materials and metallurgy, civil engineering and machine tools are DORTMUND HOERDER HUETTENVER AK, MINIERE ET METALLURG DE RODANG and DORTMUND HOERDER HUETTENVER AG.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 32 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Civil engineering | |
| #3 | Machine tools | |
| #4 | Medical technology | |
| #5 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Foundations and excavations | |
| #2 | Metal tempering | |
| #3 | Rolling metal | |
| #4 | Pig-iron processing | |
| #5 | Casting metal | |
| #6 | Punching metal | |
| #7 | Hydraulic engineering | |
| #8 | Chemical or physical processes | |
| #9 | Building materials | |
| #10 | Implantable devices |