| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Materials and metallurgy | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Analysing materials | |
| #2 | Pig-iron processing | |
| #3 | Measuring temperature | |
| #4 | Climate change mitigation in goods production | |
| #5 | Working metallic powder |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zickler Heinrich | 2 |
| #2 | Heinrich Zickler | 1 |
| #3 | Schmidt Franz Dipl Ing | 1 |
| #4 | Zollner Paul Ing | 1 |
| #5 | Ritter Dipl-Ing Dr Sepp | 1 |
| #6 | Richter Dr-Ing Ludwig | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1216901B | Device for preheating scrap | |
| DE967734C | Use of iron powder from gout dust for sinter metallurgical purposes |