| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 12 | |
| #2 | United Kingdom | 2 | |
| #3 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Environmental technology | |
| #3 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Metal production and refining | |
| #2 | Climate change mitigation in goods production | |
| #3 | Furnaces |
| # | Name | Total Patents |
|---|---|---|
| #1 | Goedecke Werner Dr | 10 |
| #2 | Ermisch Dr-Ing Hans | 1 |
| #3 | Tettenborn Dipl-Ing Max | 1 |
| #4 | Voelkel Wilhelm | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB680276A | Improvements relating to muffles for the distillation of zinc | |
| GB721590A | Improvements relating to processes for refining lead | |
| DE859225C | Process for melting down metals | |
| DE840919C | Method and device for refining metals, in particular zinc and lead |