ERICH OPPEN DIPL ING DR has a total of 12 patent applications. Its first patent ever was published in 1920. It filed its patents most often in Germany. Its main competitors in its focus markets chemical engineering, packaging and shipping and electrical machinery and energy are MAGNETIC PRODUCTS INC, SPODIG HEINRICH and MESTERN HUGO.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 12 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Packaging and shipping | |
| #3 | Electrical machinery and energy | |
| #4 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Magnetic or electrostatic solid separation | |
| #2 | Transport or storage devices | |
| #3 | Cleaning | |
| #4 | Electric discharge tubes | |
| #5 | Weighing |