| # | Country | Total Patents | |
|---|---|---|---|
| #1 | South Africa | 2 | |
| #2 | Australia | 1 | |
| #3 | Brazil | 1 | |
| #4 | Canada | 1 | |
| #5 | China | 1 | |
| #6 | Czechia | 1 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | Mexico | 1 | |
| #9 | Poland | 1 | |
| #10 | Slovakia | 1 | |
| #11 | United States | 1 | |
| #12 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Metal production and refining | |
| #2 | Building materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kotze Dirk Albertus | 12 |
| #2 | Kotze Dirk A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US6589900B1 | Ceramic product based on lithium aluminum silicate | |
| ZA200101856B | Ceramic product. | |
| ZA9804881B | Mixing chamber for a gas burner. |