| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 5 | |
| #2 | Russian Federation | 3 | |
| #3 | Canada | 2 | |
| #4 | Hungary | 2 | |
| #5 | United States | 2 | |
| #6 | Australia | 1 | |
| #7 | Germany | 1 | |
| #8 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Basic materials chemistry | |
| #3 | Chemical engineering | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Building materials | |
| #2 | Materials for miscellaneous applications | |
| #3 | Chemical or physical processes | |
| #4 | Grinding tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wilhelm Pirmin | 7 |
| #2 | Luette Martin | 7 |
| #3 | Moeltgen Paul | 6 |
| #4 | Moeltgen Paul Dr | 4 |
| #5 | Glaisner Karlheinz | 2 |
| #6 | Paul Mel Tgen | 2 |
| #7 | Moltgen Paul | 2 |
| #8 | Gallmann Wolfgang | 2 |
| #9 | Lutte Martin | 2 |
| #10 | Siebold Herbert | 2 |
| Publication | Filing date | Title |
|---|---|---|
| DE19629690A1 | Process for the production of sintered alpha-AL¶2¶0¶3¶ bodies and their use | |
| RU2138463C1 | Substance method of manufacturing zirconium corundum-based abrasive grains |