| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 6 | |
| #2 | Germany | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Luxembourg | 2 | |
| #5 | Netherlands | 2 | |
| #6 | Belgium | 1 | |
| #7 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Systems controlling non-electric variables | |
| #2 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Marie Georges | 10 |
| Publication | Filing date | Title |
|---|---|---|
| DE1082472B | Pressure regulator or pressure reducer for pressurized media with a membrane that can be switched off | |
| ES228266A1 | Fluid under pressure expausor apparatus understanding a device that allows you to do the key service step (Machine-translation by Google Translate, not legally binding) |