| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Australia | 1 | |
| #5 | Brazil | 1 | |
| #6 | Canada | 1 | |
| #7 | Switzerland | 1 | |
| #8 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Surface technology and coating | |
| #2 | Machines | |
| #3 | Chemical engineering | |
| #4 | Electrical machinery and energy | |
| #5 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jansen Rolf | 10 |
| #2 | Preikschat Patricia | 5 |
| #3 | Huelser Peter | 4 |
| #4 | Hulser Peter | 3 |
| #5 | Janssen Rolf | 2 |
| #6 | Janssen Rolf Dr | 1 |
| #7 | Gaul Norbert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE19946481A1 | Electrocatalyst | |
| CA2252036A1 | Chromate-free conversion layer and process for producing the same | |
| CH691777A5 | Apparatus and method for dissolving base metal. | |
| DE19638176A1 | Corrosion resistant hexavalent chromium-free chromate coating | |
| DE19615664A1 | Chromium (VI) free chromate layer and process for its production | |
| DE4409831A1 | Treatment of articles in aq. chemical bath |