| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 9 | |
| #2 | Spain | 3 | |
| #3 | Germany | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Canada | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Italy | 1 | |
| #8 | Japan | 1 | |
| #9 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Chemical engineering | |
| #3 | Textiles and paper | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Protective garments | |
| #2 | Separation | |
| #3 | Unspecified technologies | |
| #4 | Making textile fabrics | |
| #5 | Magnetic or electrostatic solid separation | |
| #6 | Live-saving devices | |
| #7 | Books |
| # | Name | Total Patents |
|---|---|---|
| #1 | Thiebault Bernard | 5 |
| #2 | Petit Gabriel | 1 |
| #3 | Thiebault Bernard Camille | 1 |
| #4 | Berunarudo Shiiboruto | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4363682A | Process for the superficial treatment of a fibrous filtering layer, which is non-woven and highly aerated, forming electret | |
| GB2028664A | Double-walled filter mask | |
| DE2923129A1 | FILTER INSERT | |
| FR2301152A7 | Prefilter protecting and extending life of main filter - easily cleaned and maintained useful in dusty atmospheres | |
| ES359691A1 | Filtrating mask. (Machine-translation by Google Translate, not legally binding) |