| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 9 | |
| #2 | Switzerland | 3 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Clutches and brakes | |
| #2 | Supplying combustion engines | |
| #3 | Pumps | |
| #4 | Motor vehicles | |
| #5 | Rotary-pistons | |
| #6 | Controlling combustion engines | |
| #7 | Gearing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lutz Otto Prof Dr Ing | 5 |
| #2 | Lutz Otto Prof Dr-Ing | 3 |
| #3 | Dr Lutz Otto Prof Ing | 2 |
| #4 | Caroli Gerhard Dipl Ing | 1 |
| #5 | Prof Lutz Otto Dr Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2364234A1 | Frictional fluid coupling - has U-shaped pipe from storage to active chambers fixed to primary portion |