Convion Oy
Records under this name other than the patents Convion Oy holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 12 patents it holds.
Showing 1 to 4 of 4 · Back to Convion Oy
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,947,401 | Preheating arrangement in a fuel cell apparatus Lapsed on the fee record Ended May 24, 2023 · From the USPTO record | Lapsed on the fee record | Ended May 24, 2023 | From the USPTO record |
| US 8,623,560 | Method and arrangement to control the heat balance of fuel cell stacks in a fuel cell system Lapsed on the fee record Ended Jan 7, 2022 · From the USPTO record | Lapsed on the fee record | Ended Jan 7, 2022 | From the USPTO record |
| US 8,623,562 | Method and arrangement to reduce the consumption of safety gas in a fuel cell system Lapsed on the fee record Ended Jan 7, 2022 · From the USPTO record | Lapsed on the fee record | Ended Jan 7, 2022 | From the USPTO record |
| US 8,221,928 | Preheating arrangement in a fuel cell apparatus Lapsed on the fee record Ended Jul 17, 2020 · From the USPTO record | Lapsed on the fee record | Ended Jul 17, 2020 | From the USPTO record |