Frontier Engineering Co. Ltd.
Records under this name other than the patents Frontier Engineering Co. Ltd. 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 2 patents it holds.
Showing 1 to 4 of 4 · Back to Frontier Engineering Co. Ltd.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,806,828 | Radio frequency generator automated test system Lapsed on the fee record Ended Oct 31, 2025 · From the USPTO record | Lapsed on the fee record | Ended Oct 31, 2025 | From the USPTO record |
| US 6,678,470 | Electric heating device for fluid food material Term ended Term ended Sep 27, 2022 · From the USPTO record | Term ended | Term ended Sep 27, 2022 | From the USPTO record |
| US 7,354,504 | Dielectric Profile Controlled Microwave Sterilization System Formerly held Lapsed on the fee record Ended Apr 8, 2012 · High confidence | Lapsed on the fee record | Ended Apr 8, 2012 | High confidence |
| US 5,653,160 | System for heating food stuffs Term ended Term ended no later than Aug 5, 2017 · Low confidence | Term ended | Term ended no later than Aug 5, 2017 | Low confidence |