| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | Austria | 4 | |
| #3 | Switzerland | 2 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Machine tools | |
| #3 | Thermal processes | |
| #4 | Materials and metallurgy | |
| #5 | Surface technology and coating | |
| #6 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Smoking accessories | |
| #2 | Cigarettes | |
| #3 | Casting metal | |
| #4 | Soldering, welding and flame cutting | |
| #5 | Unspecified technologies | |
| #6 | Steam generation | |
| #7 | Perforating | |
| #8 | Heat-exchange device details | |
| #9 | Layered products | |
| #10 | Preheating for stem generation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Steigerwald Karl Heinz Dipl Ph | 4 |
| #2 | Steigerwald Karl-Heinz Dipl-Ph | 2 |
| #3 | Karl Heinz Dipl-Phys Steigerwa | 2 |
| Publication | Filing date | Title |
|---|---|---|
| DE1962217A1 | Heat sensitive laminated ventilation flaps - in a cigarette paper or pipe bowl to assist |