| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Surface technology and coating | |
| #3 | Machines | |
| #4 | Environmental technology | |
| #5 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Treatment of glass | |
| #2 | Metal enamelling | |
| #3 | Manufacturing processes | |
| #4 | Climate change mitigation in goods production | |
| #5 | Furnaces |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schultheis Peter | 10 |
| #2 | Schultheis August | 6 |
| #3 | Weitkamp Paul | 3 |
| #4 | Schultheis P J | 1 |
| #5 | Schulthels Peter | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1264922B | Process for the direct application of cover enamel to objects made of low-carbon iron and iron alloys | |
| DE886995C | Process for melting enamels, glazes and glass |