| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 8 | |
| #2 | Austria | 3 | |
| #3 | Germany | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Environmental technology | |
| #3 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Hydraulic engineering | |
| #2 | Machines for making railways | |
| #3 | Climate change adaptation technologies | |
| #4 | Toys |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dr Henke Jakob Ing | 8 |
| #2 | Henke Jakob Dr Ing | 3 |
| #3 | Henke Jakob Dr-Ing | 2 |
| Publication | Filing date | Title |
|---|---|---|
| CH505945A | Delimiting oil slicks on water |