| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Canada | 2 | |
| #4 | China | 2 | |
| #5 | Australia | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | New Zealand | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Chemical engineering | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Water treatment | |
| #3 | Climate change adaptation technologies | |
| #4 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gordon Robert R | 14 |
| Publication | Filing date | Title |
|---|---|---|
| US2007144969A1 | Method and system for filtering sediment-bearing fluids | |
| CN1964770A | Self cleaning gas filtering system and method | |
| WO2006011921A2 | Method and system for filtering sediment-bearing fluids | |
| CN1633322A | Self-cleaning fluid filter system | |
| US6758344B2 | Self-cleaning fluid filter system |