| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Pipes | |
| #3 | Unspecified technologies | |
| #4 | Ships | |
| #5 | Foundations and excavations | |
| #6 | Hydraulic engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Luppi Ange | 11 |
| #2 | Berger Anthony | 1 |
| #3 | Maloberti René | 1 |
| #4 | Espinasse Philippe | 1 |
| #5 | Cousin Gilles | 1 |
| #6 | Vivet Romain | 1 |