| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 18 | |
| #2 | United States | 2 | |
| #3 | Germany | 1 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Machines | |
| #3 | Environmental technology | |
| #4 | Electrical machinery and energy |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jules Bardet Jacques | 1 |
| #2 | Georges Bouchet | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB686876A | Method of manufacture of cristobalite | |
| US2687126A | Improvements in control of sun furnaces | |
| US2549880A | Methods for treating mica and composition |