| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 8 | |
| #2 | Hong Kong | 4 | |
| #3 | Australia | 1 | |
| #4 | France | 1 | |
| #5 | Japan | 1 | |
| #6 | Republic of Korea | 1 | |
| #7 | Norway | 1 | |
| #8 | New Zealand | 1 | |
| #9 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Chemical engineering | |
| #3 | Environmental technology | |
| #4 | Basic materials chemistry | |
| #5 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Foundations and excavations | |
| #2 | Hydraulic engineering | |
| #3 | Separation | |
| #4 | Building materials | |
| #5 | Materials for miscellaneous applications | |
| #6 | Water treatment | |
| #7 | Shafts | |
| #8 | Contaminated soil reclamation | |
| #9 | Solid waste disposal | |
| #10 | Dredging |
| # | Name | Total Patents |
|---|---|---|
| #1 | Deniau Alain | 8 |
| #2 | Soriano Alain | 6 |
| #3 | Deniau Alain Maurice | 5 |
| #4 | Gessay Jean-Claude | 4 |
| #5 | Gandais Michel Auguste Georges | 3 |
| #6 | Clement Pierre | 2 |
| #7 | Dufournet Bourgeois Francoise | 2 |
| #8 | Delmas Francis Marcel Louis | 1 |
| #9 | Dufournet Bourgeois Francoise Maire | 1 |
| #10 | Lacour Yves Marie Francois Rene | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2001248145A | Drain wall and its manufacturing method | |
| EP0887474A2 | Cable operated excavating bucket | |
| EP0870898A1 | Method for injection treatment of a formation of little deformability and sleeve for use with the method | |
| EP0844031A1 | System for treating and discharging groundwater from a polluted site isolated from the environment by an impervious wall in the soil | |
| EP0843049A1 | Apparatus and methods to create perviousness in a trench wall | |
| AU3448597A | Novel draining wall, method for producing same and element implementated thereby |