| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 36 | |
| #2 | United Kingdom | 4 | |
| #3 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Thermal processes | |
| #3 | Surface technology and coating | |
| #4 | Mechanical elements | |
| #5 | Textiles and paper |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bonnemort Michel | 4 |
| #2 | Baumelou Marcel | 2 |
| #3 | Gratzmuller Louis Rene Eugene | 1 |
| #4 | Marcel Baumelou | 1 |
| #5 | Wulleman Albert-Paul-Andre | 1 |
| #6 | Meyer Leon Andre | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CH447414A | Device for fixing a tubular heating element in an insertion opening of an enclosure wall of an apparatus | |
| GB796434A | Machine for filling tubes with a powder substance for making electric heaters | |
| GB789633A | Machine for filling tubes with powder substances for making electric heaters | |
| GB627306A | Machine for filling tubes with a material in powder form | |
| GB494804A | Method of manufacture of metal sheathed electric heating tubes and of metal sheathedelectric conductors |