Tour Engine, Inc.
Records under this name other than the patents Tour Engine, 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.
Showing 1 to 3 of 3 · Back to Tour Engine, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,273,023 | Steam enhanced double piston cycle engine Term ended Term ended Apr 18, 2026 · From the USPTO record | Term ended | Term ended Apr 18, 2026 | From the USPTO record |
| US 7,383,797 | Double piston cycle engine Term ended Term ended Mar 9, 2026 · From the USPTO record | Term ended | Term ended Mar 9, 2026 | From the USPTO record |
| US 7,516,723 | Double piston cycle engine Term ended Ended no later than Mar 9, 2026 · From the USPTO record | Term ended | Ended no later than Mar 9, 2026 | From the USPTO record |