| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Brazil | 1 | |
| #3 | Canada | 1 | |
| #4 | China | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | France | 1 | |
| #7 | WIPO (World Intellectual Property Organization) | 1 | |
| #8 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Environmental technology | |
| #3 | Engines, pumps and turbines | |
| #4 | Civil engineering | |
| #5 | Measurement | |
| #6 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Water treatment | |
| #2 | Non-positive-displacement pumps | |
| #3 | Separation | |
| #4 | Foundations and excavations | |
| #5 | Locks | |
| #6 | Unspecified technologies | |
| #7 | Mechanically-driven clocks |
| # | Name | Total Patents |
|---|---|---|
| #1 | Perez Antonio | 10 |
| Publication | Filing date | Title |
|---|---|---|
| US2014199178A1 | Site drainer | |
| CN102939142A | Site drainer |