| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 11 | |
| #2 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Engines, pumps and turbines | |
| #3 | Machine tools | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Pumps | |
| #2 | Transport or storage devices | |
| #3 | Venting or aerating devices | |
| #4 | Soldering, welding and flame cutting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Siebert Willy | 3 |
| #2 | Willy Siebert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1658947A | Soldering iron |