| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | Netherlands | 3 | |
| #3 | United Kingdom | 2 | |
| #4 | Austria | 1 | |
| #5 | France | 1 | |
| #6 | Norway | 1 | |
| #7 | Sweden | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Marine propulsion |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schilling Karl | 6 |
| #2 | Rathert Horst | 3 |
| #3 | Rathert H | 1 |
| #4 | Schilling K | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3303424A1 | SYMMETRIC RUDDER PROFILES FOR MAXIMUM CROSS FORCES WITH SIMULTANEOUS MAXIMUM COURSE STABILITY | |
| DE2908331A1 | Ship's rudder bending moment transmitting anti-friction bearings - are of axial type and mounted around periphery and at centre of horizontal support plate | |
| DE2510256B1 | Steering system for ships with two balanced oars | |
| NL174127B | One piece, side view rectangular, rudder with vertical side walls and a symmetrical profile. |