Alphatech, Inc.
Records under this name other than patents Alphatech, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,579,074 | Intake Silencer for Gas Turbine Formerly held In force · High confidence | In force | High confidence | |
| US 7,363,515 | Control Systems and Methods Using a Partially-Observable Markov Decision Process (PO-MDP) Formerly held Term ended Term ended Feb 8, 2026 · High confidence | Term ended | Term ended Feb 8, 2026 | High confidence |
| US 7,326,028 | High Flow/Dual Inducer/High Efficiency Impeller for Liquid Applications Including Molten Metal Formerly held Term ended Term ended Jan 23, 2026 · High confidence | Term ended | Term ended Jan 23, 2026 | High confidence |
| US 6,622,118 | System and Method for Comparing Signals Formerly held Term ended Term ended Oct 13, 2021 · High confidence | Term ended | Term ended Oct 13, 2021 | High confidence |
| US 8,449,215 | Hub-shaft assembly Lapsed on the fee record Ended May 28, 2021 · From the USPTO record | Lapsed on the fee record | Ended May 28, 2021 | From the USPTO record |
| US 7,391,742 | Methods and Systems for Determining a Set of Costs of Routes in a Network Formerly held Lapsed on the fee record Ended Jun 24, 2020 · High confidence | Lapsed on the fee record | Ended Jun 24, 2020 | High confidence |
| US 6,899,772 | Alloy molten composition suitable for molten magnesium environments Term ended Ended no later than Mar 27, 2020 · From the USPTO record | Term ended | Ended no later than Mar 27, 2020 | From the USPTO record |
| US 6,106,226 | High velocity prestressed shaft for degasser or pumping application in molten metal Term ended Term ended Nov 22, 2019 · From the USPTO record | Term ended | Term ended Nov 22, 2019 | From the USPTO record |
| US 6,082,965 | Advanced motor driven impeller pump for moving metal in a bath of molten metal Term ended Term ended Sep 20, 2019 · From the USPTO record | Term ended | Term ended Sep 20, 2019 | From the USPTO record |
| US 6,051,183 | Jet column and jet column reactor dross removing dross diluting pumps Term ended Term ended Oct 26, 2018 · From the USPTO record | Term ended | Term ended Oct 26, 2018 | From the USPTO record |