| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | WIPO (World Intellectual Property Organization) | 4 | |
| #4 | Brazil | 3 | |
| #5 | South Africa | 2 | |
| #6 | Poland | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Surface technology and coating | |
| #3 | Electrical machinery and energy | |
| #4 | Chemical engineering | |
| #5 | Machine tools | |
| #6 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Metal tempering | |
| #2 | Coating metallic material | |
| #3 | Alloys | |
| #4 | Magnets and transformers | |
| #5 | Changing non-ferrous metals | |
| #6 | Metal enamelling | |
| #7 | Rolling metal | |
| #8 | Cleaning | |
| #9 | Unspecified technologies | |
| #10 | Metallic material cleaning |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schrapers Heiner | 9 |
| #2 | Guenther Klaus | 7 |
| #3 | Schneider Juergen | 3 |
| #4 | Boelling Fritz | 3 |
| #5 | Hammer Brigitte | 3 |
| #6 | Gehnen Klaus | 3 |
| #7 | Dolle Thomas | 3 |
| #8 | Lindner Wolfgang | 3 |
| #9 | Kawalla Rudolf | 3 |
| #10 | Telger Karl | 3 |
| Publication | Filing date | Title |
|---|---|---|
| DE19918484A1 | Process for the production of non-grain oriented electrical sheet | |
| DE19750066C1 | Process for coating electrical steel strips with an annealing separator | |
| DE4409691A1 | Process for the production of electrical sheets with a glass coating | |
| EP0572780A2 | Process and device for cleaning of metal strip surfaces by gas-washing in hydrogen-rich athmospheres |