| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 26 | |
| #2 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Materials and metallurgy | |
| #3 | Foods and drinks | |
| #4 | Chemical engineering | |
| #5 | Packaging and shipping | |
| #6 | Machines | |
| #7 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Furnaces | |
| #2 | Iron and steel production | |
| #3 | Building materials | |
| #4 | Metal production and refining | |
| #5 | Details of furnaces | |
| #6 | Sucrose production | |
| #7 | Preparing clay | |
| #8 | Mixing | |
| #9 | Springs | |
| #10 | Transport or storage devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Albert Eberhard | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2393029A | Counterweight arrangement on crank drives |