| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 24 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Machine tools | |
| #3 | Thermal processes | |
| #4 | Civil engineering | |
| #5 | Transport | |
| #6 | Chemical engineering | |
| #7 | Environmental technology | |
| #8 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Fuels | |
| #2 | Presses | |
| #3 | Solid fuel combustion | |
| #4 | Machines for making railways | |
| #5 | Railway bodies | |
| #6 | Transport or storage devices | |
| #7 | Drying solid materials by removing liquid | |
| #8 | Combustion residues removal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Eckstein Dipl-Ing Paul | 3 |
| #2 | Johlige Hans-Joachim | 1 |
| #3 | Oestreich Franz | 1 |
| #4 | Keil Dr-Ing E H Georg | 1 |
| #5 | Winkler Dr-Ing Georg | 1 |
| #6 | Fritzsche Artur | 1 |
| #7 | Diezmann Heinz | 1 |
| #8 | Fritzsche Dr-Ing Artur | 1 |
| #9 | Rothkegel Rudolf | 1 |