| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | United Kingdom | 3 | |
| #3 | United States | 2 | |
| #4 | Austria | 1 | |
| #5 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Mechanical elements | |
| #3 | Surface technology and coating |
| # | Technology | |
|---|---|---|
| #1 | Casting metal | |
| #2 | Foundry moulding | |
| #3 | Pig-iron processing | |
| #4 | Alloys | |
| #5 | Metal production and refining | |
| #6 | Coating metallic material | |
| #7 | Lubricating | |
| #8 | Safety devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wilhelm Klepsch | 2 |
| #2 | Klepsch Wilhelm | 1 |
| #3 | Neuber Ernst | 1 |
| #4 | Ehrlich Adolf | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB408237A | Improvements relating to a method of refining iron | |
| US1777975A | Method of making molds | |
| GB302254A | Improvements in the treatment, for protective purposes, of bodies of articles composed of iron | |
| GB220289A | A method of casting with the aid of a gaseous pressure medium |