| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 5 | |
| #2 | United Kingdom | 5 | |
| #3 | Spain | 3 | |
| #4 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Magnetic or electrostatic solid separation | |
| #2 | Climate change adaptation technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jessnitz Werner | 1 |
| #2 | Penney Dr Gaylord W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1139032A | Improved electrostatic gas purifier | |
| FR1326870A | Two-stage electric filter | |
| FR80206E | Electrostatic filter | |
| FR1288398A | Electrostatic filter | |
| GB901439A | Improvements in or relating to electrostatic filters | |
| FR1252271A | Electrostatic filter | |
| GB883908A | Improvements in or relating to electrostatic precipitators | |
| GB745609A | Improvements in or relating to electrostatic filters | |
| FR1094574A | Ionization group for electrostatic filter |