| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Thermal processes | |
| #3 | Furniture and games | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Domestic stoves | |
| #3 | Kitchen equipment | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Niekerk Erasmus Van | 17 |
| #2 | Van Niekerk Erasmus | 8 |
| #3 | Van Niekerk E | 1 |
| #4 | Niekerk Van Erasmus | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA9807693B | "Air Extraction". | |
| NZ331503A | Air extraction hood having a passageway curved over a major portion thereof between the air inlet and mounted treatment means | |
| IL123234D0 | Separation apparatus | |
| US5935300A | Separation Apparatus | |
| HU9700223D0 | Separation process and separator and cooking apparatus for application of this | |
| IL120074D0 | Process for gas purification and an apparatus for carrying out same | |
| ZA9609740B | Separation apparatus. | |
| AU7189596A | Separation apparatus | |
| BR9605622A | Process and apparatus for separating and cooking installation |