| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 6 | |
| #2 | Belgium | 2 | |
| #3 | France | 2 | |
| #4 | Luxembourg | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Thermal processes | |
| #3 | Machine tools | |
| #4 | Packaging and shipping | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Iron and steel production | |
| #2 | Details of furnaces | |
| #3 | Forging | |
| #4 | Furnaces | |
| #5 | Metal tempering | |
| #6 | Venting or aerating devices | |
| #7 | Transport or storage devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zimmermann Theodor | 4 |
| #2 | Horn Walter | 2 |
| #3 | Ullrich Alois | 2 |
| #4 | Dienenthal Dipl-Ing Herbert | 1 |
| #5 | Dienenthal Herbert Dipl-Ing | 1 |
| #6 | Theo Zimmermann | 1 |
| #7 | Zimmermann Theo | 1 |
| #8 | Alois Ullrich | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1243219B | Tap hole drilling machine | |
| US3036854A | Power-operated forging tongs | |
| DE956929C | Reciprocating conveyor device for bulk goods, especially for warm metal chips | |
| DE936573C | Trough charging and piercing machine | |
| DE824500C | Device for pulling and conveying steel blocks | |
| DE800623C | Device with a tong holder for holding and turning heavy forged pieces | |
| DE821799C | Hot wind valve with one-piece housing |