| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 9 | |
| #2 | United Kingdom | 1 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Civil engineering | |
| #3 | Packaging and shipping | |
| #4 | Materials and metallurgy | |
| #5 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Pumps | |
| #2 | Finishing work on buildings | |
| #3 | Cranes | |
| #4 | Shafts | |
| #5 | Foundry moulding | |
| #6 | Physical training equipment | |
| #7 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sturm Karl | 5 |
| #2 | Karl Sturm | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3350889A | Apparatus for driving and lining tunnels in unstable soil | |
| DE1004478B | Multi-cylinder pump for conveying viscous or grainy material |