Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9587754 | Electronic flow sensor | — | 2017-03-07 |
| 8720469 | Electronic flow sensor | — | 2014-05-13 |
| D598740 | Container and lid | Hans Auer, Pawel Jaworski | 2009-08-25 |
| D591510 | Container | Hans Auer, Pawel Jaworski | 2009-05-05 |
| 6844104 | Vent plug system for storage batteries | Eberhard Nann, Manfred Hülscher | 2005-01-18 |
| 6677075 | Plug arrangement for a cell vent of a storage battery | — | 2004-01-13 |
| 6660426 | Multi-cell storage battery with gas vent in a cover assembly | Werner Hampe, Jürgen Freitag | 2003-12-09 |
| 5787874 | Gas-fired ceramic-cooktop burner | Gunter Krohn, Helmut Diekmann | 1998-08-04 |
| 5099822 | Cooking apparatus with at least one glass-ceramic cooking plate | Dietmar Kaselow | 1992-03-31 |
| 4993401 | Control system for glass-top cooking unit | Helmut Diekmann, Gunter Krohn | 1991-02-19 |
| 4951646 | Ventilated glass-top cooking unit | Helmut Diekmann, Gunter Krohn | 1990-08-28 |
| 4600664 | Storage battery | Manfred Schrewe | 1986-07-15 |