ERNST DREEFS G M B H has a total of 16 patent applications. Its first patent ever was published in 1937. It filed its patents most often in Germany and Spain. Its main competitors in its focus markets electrical machinery and energy, measurement and control are SAGAMI DENSHI KOGYO KK, POMAZOV VSEVOLOD V and OS BAD ROZHOJOWY APART MANEWRO.
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Measurement | |
| #3 | Control |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mellewigt Dipl-Ing Wilhelm | 6 |
| #2 | Wirth Heinz | 3 |
| #3 | Lindner Dipl-Ing Gerd | 3 |
| #4 | Haschkamp Dipl-Ing Joachim | 3 |
| #5 | Schulze Rudolf | 1 |
| #6 | Imer Klaus | 1 |
| #7 | Mellewigt Dipl-Ing Wilh | 1 |
| #8 | Niebuhr Franz | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES404654A1 | Improvements in the thermostatic switches. (Machine-translation by Google Translate, not legally binding) |
