| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 4 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | India | 2 | |
| #4 | Norway | 2 | |
| #5 | United States | 2 | |
| #6 | South Africa | 2 | |
| #7 | Iceland | 1 | |
| #8 | Poland | 1 | |
| #9 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Civil engineering | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Sewers | |
| #3 | Flotation | |
| #4 | Hydraulic engineering | |
| #5 | Climate change adaptation technologies | |
| #6 | Water treatment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Essop Saleam | 15 |
| #2 | Bullard Allen | 2 |
| #3 | Bullard Allen G | 1 |
| #4 | Essop S | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA200000191B | Gas compression and contacting system. | |
| ZA9600712B | Particle separator | |
| CA2168155A1 | Particle separator | |
| CA2088531A1 | Separation accelerator | |
| US5149434A | Gravity separator | |
| CA2012733A1 | Liquid separating apparatus | |
| US5091088A | Liquid separating apparatus |