| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 5 | |
| #2 | Austria | 1 | |
| #3 | Canada | 1 | |
| #4 | Switzerland | 1 | |
| #5 | China | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Italy | 1 | |
| #8 | Netherlands | 1 | |
| #9 | African Intellectual Property Organization | 1 | |
| #10 | Sweden | 1 | |
| #11 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Shafts | |
| #2 | Venting or aerating devices | |
| #3 | Construction of bridges | |
| #4 | Unspecified technologies | |
| #5 | Structural elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Chauvin Alain | 4 |
| #2 | Viode Andre | 3 |
| #3 | Comte Gilles | 3 |
| #4 | Oger Jacques Francois | 2 |
| #5 | Oger J F | 1 |
| #6 | Mazou Jacques | 1 |
| #7 | Gilles Comte | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FR2629555A1 | Digital valve | |
| FR2616166A1 | MIXED FRAME BRIDGE AND CONSTRUCTION METHOD THEREOF | |
| FR2594194A1 | Transition tube for cable, especially for bridge shaft | |
| FR2592666A1 | Support system by flexible cable with local built-in, especially for bridge bridges | |
| FR2575498A1 | Device for anchoring cables, especially bridge guards | |
| US4065932A | Casing voussoir and method for producing the voussoir |