| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 8 | |
| #2 | Switzerland | 5 | |
| #3 | Germany | 3 | |
| #4 | France | 2 | |
| #5 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Machines | |
| #3 | Chemical engineering | |
| #4 | Environmental technology | |
| #5 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Building materials | |
| #2 | Rare-earth metal compounds | |
| #3 | Shaping clay | |
| #4 | Mixing | |
| #5 | Presses | |
| #6 | Preparing clay | |
| #7 | Climate change mitigation in wastewater treatment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Austro-American Magnesite Comp | 5 |
| #2 | Erdmann Konrad | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB258731A | Improved manufacture of moulded articles from fibrous materials | |
| GB242596A | Improved process of and apparatus for mixing cement and fibrous material | |
| DE430276C | Process for the production of space-stable magnesia that is reactive with magnesium chloride and magnesium sulfate solution | |
| DE415573C | Method for breaking down kieserite | |
| DE406074C | Process for caustic firing of natural crystalline magnesites in a rotary kiln |