HANS HARTER DR has a total of 30 patent applications. Its first patent ever was published in 1919. It filed its patents most often in Germany. Its main competitors in its focus markets materials and metallurgy, environmental technology and chemical engineering are PATENTVERWERTUNGS A G ALPINA S, NITROGEN CORP and LUIGI CASALE.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 30 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Environmental technology | |
| #3 | Chemical engineering | |
| #4 | Organic fine chemistry | |
| #5 | Basic materials chemistry |
| # | Name | Total Patents |
|---|---|---|
| #1 | Harter Dr Hans | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE489115C | Process for carrying out catalytic reactions between gases or vapors |