ERNEST CHRETIEN DIEM has a total of 13 patent applications. Its first patent ever was published in 1910. It filed its patents most often in France. Its main competitors in its focus markets electrical machinery and energy, basic materials chemistry and transport are RADIOS, PAGANI SPA and XAVER BULLINGER.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 13 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Basic materials chemistry | |
| #3 | Transport | |
| #4 | Furniture and games |
| # | Name | Total Patents |
|---|---|---|
| #1 | Diem Ernest-Chretien | 13 |
| Publication | Filing date | Title |
|---|---|---|
| FR481361A | Improvements to lighthouses and lanterns |