Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11287131 | Method for operating a gas burner appliance | — | 2022-03-29 |
| 10520186 | Method for operating a gas burner appliance | Gerwin Langius, Frank van Prooijen, Erwin Kupers | 2019-12-31 |
| 10247416 | Method for operating a gas burner | Wim Munsterhuis, Gerrit Jan Baarda, Frank van Prooijen, Gerwin Langius, Albert Hietkamp | 2019-04-02 |
| 9134026 | Method for operating a gas burner | Erik Gankema | 2015-09-15 |
| 6783355 | Method for operating a gas burner | — | 2004-08-31 |
| 6604938 | Device for gas burners | Albert Hietkamp | 2003-08-12 |