| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Transport | |
| #3 | Control | |
| #4 | Chemical engineering | |
| #5 | Environmental technology | |
| #6 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Hydraulic engineering | |
| #2 | Ships | |
| #3 | Earth drilling | |
| #4 | Ship-lifting devices | |
| #5 | Systems controlling non-electric variables | |
| #6 | Separation | |
| #7 | Reduction of greenhouse gas emissions | |
| #8 | Servomotors |
| # | Name | Total Patents |
|---|---|---|
| #1 | Vilain Robert | 19 |
| #2 | Vilan Robert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1903902A1 | System for the transport of ships between two water reservoirs at different heights along an inclined plane | |
| DE1816699A1 | Hydraulic system with low general energy consumption, especially for the transfer of ships | |
| CA903521A | Means for measuring forces, notably at the foot of an oscillating column of an offshore drilling platform | |
| CA892327A | Installations for submarine work |