| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Canada | 2 | |
| #4 | China | 2 | |
| #5 | EPO (European Patent Office) | 2 | |
| #6 | India | 2 | |
| #7 | United States | 2 | |
| #8 | Algeria | 1 | |
| #9 | Russian Federation | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Pipes | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ungemach Pierre | 16 |
| #2 | Turon Roland | 15 |
| #3 | Lucet Raymond | 9 |
| #4 | Pierre Ungemach | 3 |
| #5 | Roland Turon | 3 |
| #6 | Benoist Paul-Emmanuel | 1 |
| #7 | Paul-Emmanuel Benoist | 1 |
| #8 | Turan Roland | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FR2687187A1 | Borehole shutter. | |
| FR2659384A1 | Device for curing and cleaning wells affected by deposits and incrustations. | |
| FR2658558A1 | Well protection device against the risk of corrosion or deposits due to the nature of the fluid produced or in place in the well. | |
| FR2658559A1 | Device for injecting into a well of corrosion or deposition inhibitors using an auxiliary injection tube. |