| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 56 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Transport | |
| #3 | Packaging and shipping | |
| #4 | Environmental technology | |
| #5 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Shafts | |
| #2 | Mining | |
| #3 | Safety devices | |
| #4 | Transport or storage devices | |
| #5 | Aeroplanes | |
| #6 | Vehicle tyre repairing | |
| #7 | Furnaces | |
| #8 | Machines for making railways | |
| #9 | Climate change mitigation in transportation | |
| #10 | Guiding railway traffic |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hippel Dr-Ing Hans Joachim Von | 28 |
| #2 | Hippel Dr-Ing Hans-Joachim Von | 7 |
| #3 | Zwicky Alfred J | 2 |
| #4 | Kuhlmann Heinrich | 1 |
| #5 | Brand Fritz | 1 |
| #6 | Peters Josef | 1 |
| #7 | Barall Karl | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1098891B | Weather door | |
| DE719406C | Airplane wing with propulsion fan arranged in its interior |