| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 17 | |
| #2 | France | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Construction of roads | |
| #2 | General building constructions | |
| #3 | Pipes | |
| #4 | Street cleaning | |
| #5 | Structural elements | |
| #6 | Pistons and sealings | |
| #7 | Scaffolding | |
| #8 | Working stone |
| # | Name | Total Patents |
|---|---|---|
| #1 | Carlos Byttebier | 14 |
| #2 | Julien Allaert | 1 |
| #3 | Fillettaz Constant | 1 |
| #4 | Julien J Allaert | 1 |