| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Australia | 1 | |
| #5 | Brazil | 1 | |
| #6 | Canada | 1 | |
| #7 | India | 1 | |
| #8 | Mexico | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Transport | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Hydraulic engineering | |
| #2 | Ships | |
| #3 | Scaffolding | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Do Christopher Nghia | 8 |
| #2 | Do Christopher N | 5 |
| Publication | Filing date | Title |
|---|---|---|
| US5109957A | Offshore access systems | |
| US5074382A | Offshore access systems | |
| WO8808808A1 | Apparatus for the combatting of marine growth on offshore structures | |
| AU1723688A | Apparatus for the combatting of marine growth on offshore structures | |
| BR8807506A | Apparatus for combating marine accumulations on offshore structures |