| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 11 | |
| #2 | Brazil | 6 | |
| #3 | Canada | 5 | |
| #4 | China | 5 | |
| #5 | Taiwan | 5 | |
| #6 | United States | 5 | |
| #7 | Australia | 4 | |
| #8 | Chile | 4 | |
| #9 | Mexico | 4 | |
| #10 | Colombia | 3 | |
| #11 | EAPO (Eurasian Patent Organization) | 3 | |
| #12 | South Africa | 3 | |
| #13 | Argentina | 1 | |
| #14 | Russian Federation | 1 | |
| #15 | Ukraine | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Thermal processes | |
| #3 | Environmental technology | |
| #4 | Chemical engineering | |
| #5 | Basic materials chemistry |
| # | Name | Total Patents |
|---|---|---|
| #1 | Klut Pieter Dirk | 32 |
| #2 | Ewalts Wouter Bernd | 31 |
| #3 | Verbraak Petrus Leonardus | 7 |
| #4 | Grippeling Joep | 6 |
| #5 | Pieter Dirk Klut | 6 |
| #6 | Groen Maurice | 6 |
| #7 | Van Straaten Victor | 6 |
| #8 | Sarbrant Magnus | 6 |
| #9 | Vaynshteyn Roman | 5 |
| #10 | Wouter Bernd Ewalts | 5 |
| Publication | Filing date | Title |
|---|---|---|
| US2019011185A1 | Shaft furance construction method and assembly | |
| WO2015104333A1 | Gas treatment device |