Tecogen, Inc.
Records under this name other than the patents Tecogen, Inc. 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 10 patents it holds.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,243,017 | Method for controlling internal combustion engine emissions Term ended Term ended Jun 8, 2026 · From the USPTO record | Term ended | Term ended Jun 8, 2026 | From the USPTO record |
| US 9,702,306 | Internal combustion engine controller Lapsed on the fee record Ended Jul 11, 2025 · From the USPTO record | Lapsed on the fee record | Ended Jul 11, 2025 | From the USPTO record |
| US 7,239,034 | Engine driven power inverter system with cogeneration Term ended Term ended Jul 3, 2025 · From the USPTO record | Term ended | Term ended Jul 3, 2025 | From the USPTO record |
| US 4,773,847 | Thermoelectric field burner Term ended Term ended no later than Sep 27, 2008 · Low confidence | Term ended | Term ended no later than Sep 27, 2008 | Low confidence |
| US 4,951,648 | Conveyor oven Term ended Term ended no later than Aug 28, 2010 · Low confidence | Term ended | Term ended no later than Aug 28, 2010 | Low confidence |
| US 5,014,679 | Gas fired combination convection-steam oven Term ended Term ended no later than May 14, 2011 · Low confidence | Term ended | Term ended no later than May 14, 2011 | Low confidence |
| US 5,033,264 | Compact cogeneration system Term ended Term ended no later than Jul 23, 2011 · Low confidence | Term ended | Term ended no later than Jul 23, 2011 | Low confidence |
| US 5,147,516 | NO.sub.x reduction by sulfur tolerant coronal-catalytic apparatus and method Term ended Term ended no later than Sep 15, 2012 · Low confidence | Term ended | Term ended no later than Sep 15, 2012 | Low confidence |
| US 5,166,487 | Cooking oven with convection and microwave heating Term ended Term ended no later than Nov 24, 2012 · Low confidence | Term ended | Term ended no later than Nov 24, 2012 | Low confidence |
| US 5,240,575 | NO.sub.x reduction by sulfur tolerant coronal-catalytic apparatus and method Term ended Term ended no later than Aug 31, 2013 · Low confidence | Term ended | Term ended no later than Aug 31, 2013 | Low confidence |