| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 6 | |
| #2 | Germany | 3 | |
| #3 | Austria | 1 | |
| #4 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Pistons and sealings | |
| #2 | Mixing | |
| #3 | Compressed gas holders | |
| #4 | Shafts | |
| #5 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Oskar Krieger | 5 |
| #2 | Krieger Oskar | 2 |
| #3 | Oskar Krieger Firma | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1248400B | Sealing device |