| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 32 | |
| #2 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Foods and drinks | |
| #3 | Measurement | |
| #4 | Environmental technology | |
| #5 | Electrical machinery and energy | |
| #6 | Materials and metallurgy | |
| #7 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Claire Miguel Le | 2 |
| #2 | Pauthenier Marcel | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB598928A | Improvement in installations for the treatment of gaseous fluids containing particles in suspension | |
| GB444426A | Improvements in or relating to the rapping mechanism used in the electrostatic precipitation of particles from gas |