Mechanical Technology Inc.
Records under this name other than patents Mechanical Technology Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
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| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,460,733 | Multiple-walled fuel container and delivery system Formerly held Term ended Term ended Mar 7, 2021 · From the USPTO record | Term ended | Term ended Mar 7, 2021 | From the USPTO record |
| US 6,017,648 | Insertable fluid flow passage bridgepiece and method Formerly held Term ended Term ended Apr 15, 2017 · From the USPTO record | Term ended | Term ended Apr 15, 2017 | From the USPTO record |
| US 6,821,658 | Cold start and temperature control method and apparatus for fuel cell system Formerly held Lapsed on the fee record Ended Nov 23, 2016 · From the USPTO record | Lapsed on the fee record | Ended Nov 23, 2016 | From the USPTO record |
| US 6,761,988 | Fuel cell system with active methanol concentration control Formerly held Lapsed on the fee record Ended Jul 13, 2016 · From the USPTO record | Lapsed on the fee record | Ended Jul 13, 2016 | From the USPTO record |
| US 6,632,553 | Methods and apparatuses for managing effluent products in a fuel cell system Formerly held Lapsed on the fee record Ended Oct 14, 2015 · From the USPTO record | Lapsed on the fee record | Ended Oct 14, 2015 | From the USPTO record |
| US 6,866,952 | Apparatus and method for controlling undesired water and fuel transport in a fuel cell Formerly held Lapsed on the fee record Ended Mar 15, 2013 · From the USPTO record | Lapsed on the fee record | Ended Mar 15, 2013 | From the USPTO record |
| US 6,190,409 | Rotary torque-to-axial force energy conversion apparatus Formerly held Lapsed on the fee record Ended Feb 20, 2013 · From the USPTO record | Lapsed on the fee record | Ended Feb 20, 2013 | From the USPTO record |
| US 6,794,067 | Fuel cell control and measurement apparatus and method, using dielectric constant measurements Formerly held Lapsed on the fee record Ended Sep 21, 2012 · From the USPTO record | Lapsed on the fee record | Ended Sep 21, 2012 | From the USPTO record |
| US 6,645,655 | Passively pumped liquid feed fuel cell system Formerly held Lapsed on the fee record Ended Nov 11, 2011 · From the USPTO record | Lapsed on the fee record | Ended Nov 11, 2011 | From the USPTO record |
| US 6,589,679 | Apparatus and methods for sensor-less optimization of methanol concentration in a direct methanol fuel cell system Formerly held Lapsed on the fee record Ended Jul 8, 2011 · From the USPTO record | Lapsed on the fee record | Ended Jul 8, 2011 | From the USPTO record |