EHRICH & GRAETZ SOC has a total of 18 patent applications. Its first patent ever was published in 1902. It filed its patents most often in France. Its main competitors in its focus markets thermal processes, electrical machinery and energy and materials and metallurgy are MURAMOTO AKIRA, BAKER FRANCIS ROBERT and SELAS GMBH.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 18 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Electrical machinery and energy | |
| #3 | Materials and metallurgy | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Burners | |
| #2 | Special electric heating or lighting | |
| #3 | Incandescent mantles | |
| #4 | Metal production and refining | |
| #5 | Rotary pistons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Podzus Emil | 1 |