| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 16 | |
| #2 | Germany | 2 | |
| #3 | Austria | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Packaging and shipping | |
| #3 | Civil engineering | |
| #4 | Measurement | |
| #5 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Preparing clay | |
| #2 | Dredging | |
| #3 | Winches | |
| #4 | Transport or storage devices | |
| #5 | Measuring volume | |
| #6 | Lubricating of machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fritz Schaer | 1 |
| #2 | Metallkonstruktionen Techag An | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1023711B | Concrete mixer with a mixing drum that can be driven in two directions of rotation by a reversing motor |