Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8151412 | Caster with high-strength axle carrier | Ralph Von Bordelius | 2012-04-10 |
| 8015664 | Twin-wheel caster | Ralph Von Bordelius | 2011-09-13 |
| 7899922 | Enterprise service oriented architecture for large file handling with document management system | Johann Dornbach, Michael Roedel, Jens Kehr, Peter Szincsak | 2011-03-01 |
| 5898149 | Power circuit-breaker | Christian Lindner | 1999-04-27 |
| 5589674 | Metal-encapsulated, gas-insulated switching installation | Franz Heil, Herbert Schifko, Piero Tecchio | 1996-12-31 |
| 5578804 | Metal-enclosed gas-insulated switching installation | Franz Heil, Herbert Schifko, Piero Tecchio | 1996-11-26 |
| 5578805 | Metal-enclosed gas-filled switchgear units | Franz Heil | 1996-11-26 |
| 4265225 | Solar collector element | Norbert Herwegh | 1981-05-05 |
| 4195850 | Gasket strip for butt joint compression seal | Norbert Herwegh | 1980-04-01 |