| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 27 | |
| #2 | Norway | 2 | |
| #3 | Argentina | 1 | |
| #4 | Australia | 1 | |
| #5 | Canada | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | Japan | 1 | |
| #9 | Netherlands | 1 | |
| #10 | African Intellectual Property Organization | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Measurement | |
| #4 | Mechanical elements | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Measuring volume | |
| #5 | Venting or aerating devices | |
| #6 | Measuring force, work and fluid pressure | |
| #7 | Measuring temperature | |
| #8 | Analysing materials | |
| #9 | Ships | |
| #10 | Pistons and sealings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Franc Jean | 4 |
| #2 | Goldschild Pierre | 3 |
| #3 | Airey Peter J | 3 |
| #4 | Guieze Paul B | 2 |
| #5 | Goldschild Pierre H | 2 |
| #6 | Varotsis Nikos | 2 |
| #7 | Doremus Bernard | 2 |
| #8 | Ehlig-Economides Christine Ann | 2 |
| #9 | Goldschild Pierre E | 1 |
| #10 | Vigneaux Pierre G | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FR2586781A1 | Sealing device for a component placed in a tubular jacket | |
| FR2542804A1 | Perforators for wells of the oil type | |
| NL7806176A | Valve to be used under water. |