| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 8 | |
| #2 | South Africa | 8 | |
| #3 | Brazil | 6 | |
| #4 | Italy | 4 | |
| #5 | Denmark | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Thermal processes | |
| #3 | Machines | |
| #4 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Regehr U | 16 |
| #2 | Hannemann H | 4 |
| #3 | Speitkamp L | 3 |
| #4 | Bulang S | 2 |
| #5 | Speitkamp Ludwig | 1 |
| #6 | Regehr Ulrich | 1 |
| #7 | Speitkamf L | 1 |
| #8 | Hannemann Horst | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA7802996B | Separator apparatus for evaporator plant | |
| GB1414094A | Contact bodies for the exchange of heat andor separation of droplets or solid particles from gaseous medium |