Parvex
Records under this name other than patents Parvex holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 10 of 10 · Back to Parvex
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,087,742 | Hybrid linear motor Lapsed on the fee record Ended Jul 11, 2008 · From the USPTO record | Lapsed on the fee record | Ended Jul 11, 2008 | From the USPTO record |
| US 4,516,046 | Continuous current electric machine with cylindrical air gap and permanent magnet pole piece Term ended Term ended no later than May 7, 2005 · Low confidence | Term ended | Term ended no later than May 7, 2005 | Low confidence |
| US 4,757,220 | Electrodynamic vernier machine Term ended Term ended no later than Jul 12, 2008 · Low confidence | Term ended | Term ended no later than Jul 12, 2008 | Low confidence |
| US 4,758,756 | Vernier-type electrodynamic machine Term ended Term ended no later than Jul 19, 2008 · Low confidence | Term ended | Term ended no later than Jul 19, 2008 | Low confidence |
| US 5,047,681 | Constant power synchronous motor with microprocessor control Term ended Term ended no later than Sep 10, 2011 · Low confidence | Term ended | Term ended no later than Sep 10, 2011 | Low confidence |
| US 5,091,668 | Motor having flux-concentrating permanent magnets Term ended Term ended no later than Feb 25, 2012 · Low confidence | Term ended | Term ended no later than Feb 25, 2012 | Low confidence |
| US 5,162,686 | Motor rotor having magnets Term ended Term ended no later than Nov 10, 2012 · Low confidence | Term ended | Term ended no later than Nov 10, 2012 | Low confidence |
| US 5,300,884 | Position sensing apparatus for measuring the angular position of a rotor relative to a stator having a plurality of teeth with excitation windings and plural phase reception windings Term ended Term ended no later than Apr 5, 2014 · Low confidence | Term ended | Term ended no later than Apr 5, 2014 | Low confidence |
| US 5,394,042 | Angular position homopolar reluctance sensor Term ended Term ended no later than Feb 28, 2015 · Low confidence | Term ended | Term ended no later than Feb 28, 2015 | Low confidence |
| US 5,838,086 | Synchronous motor with permanent magnets included in a rotor Term ended Term ended no later than Nov 17, 2018 · Low confidence | Term ended | Term ended no later than Nov 17, 2018 | Low confidence |