| # | Country | Total Patents | |
|---|---|---|---|
| #1 | South Africa | 6 | |
| #2 | Zambia | 3 | |
| #3 | Brazil | 1 | |
| #4 | India | 1 | |
| #5 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Environmental technology | |
| #3 | Mechanical elements | |
| #4 | Engines, pumps and turbines | |
| #5 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Warman C | 4 |
| #2 | Madigan D | 3 |
| #3 | Dixon P | 3 |
| #4 | Gard R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA7800159B | Fluid actuated flow control valve | |
| ZA739504B | A hydrometallurgical process for the recovery of copper from sulphide ores by oxidation with air or oxygen in ammoniacal solutions | |
| ZA7007414B | Adjustable spigot for hydraulic cyclones and the like | |
| ZM11570A1 | Construction for fluid tight joints | |
| ZA7007051B | Construction for fluid tight joints | |
| ZM6070A1 | Froth pump |