| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 3 | |
| #2 | New Zealand | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | Canada | 2 | |
| #5 | China | 2 | |
| #6 | Brazil | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Separating solids | |
| #2 | Separation | |
| #3 | Hydraulic engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Burgess George | 13 |
| #2 | Burgess Brian | 13 |
| #3 | George Burgess Brian Burgess | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2008105608A1 | Staged Screen System | |
| NZ535727A | Staged screen system with movable rake for both screeens | |
| NZ513378A | Suspension screen raking system with spaced longitudinal rakes reciprocating for reduced ltravel | |
| NZ513379A | Suspension screen raking system (NO.2) |