| # | Country | Total Patents | |
|---|---|---|---|
| #1 | South Africa | 3 | |
| #2 | Brazil | 2 | |
| #3 | Jordan | 2 | |
| #4 | Sweden | 2 | |
| #5 | India | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Materials and metallurgy |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zechner Sepp | 6 |
| #2 | Sepp Zechner | 4 |
| #3 | Svensson Kjell | 3 |
| #4 | Schoen Gunnar | 3 |
| #5 | Kjell Svensson | 3 |
| #6 | Seep Zechner | 2 |
| #7 | Gunnar Schoen | 2 |
| #8 | Zechner S | 2 |
| #9 | Svensson K | 1 |
| #10 | Schon G | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JO1517B1 | A method for improving the properties of cement mortar and concrete. | |
| ZA8705042B | A method for improving the properties of cement mortar and concrete | |
| SE453077B | Method for improving properties of cement and concrete |