| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | United States | 3 | |
| #3 | EPO (European Patent Office) | 1 | |
| #4 | France | 1 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Electrical machinery and energy | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Non-positive-displacement pumps | |
| #2 | Dynamo-electric machines | |
| #3 | Special non-positive-displacement engines | |
| #4 | Gearing | |
| #5 | Pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sigel Thomas | 6 |
| #2 | Fertig Volker | 5 |
| #3 | Saemann Klaus | 3 |
| #4 | Roehl Matthias | 2 |
| #5 | Sigel Thomas Dr | 2 |
| #6 | Lutz Karl | 2 |
| #7 | Rolh Matthias | 1 |
| #8 | Jesse Gerhard | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE19938760C1 | Electrically-driven cask pump has sealing cone at end of pump rotor shaft for closing annular entry opening at bottom end of tubular pump housing upon axial movement of rotor shaft | |
| DE19614350A1 | Pump, especially barrel pump | |
| DE19527879A1 | Electric motor, in particular drive motor for a drum or container pump | |
| DE4335242A1 | Container pump, in particular a barrel pump | |
| DE3815427A1 | Electric motor, in particular drive motor for a drum or container pump |