Analytical Engineering, Inc.
Records under this name other than patents Analytical Engineering, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Back to Analytical Engineering, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,590,505 | Method of Operating a Compression Ignition Internal Combustion Engine Formerly held Lapsed on the fee record Ended Nov 26, 2017 · High confidence | Lapsed on the fee record | Ended Nov 26, 2017 | High confidence |
| US 6,213,929 | Motor driven centrifugal filter Formerly held Lapsed on the fee record Ended Apr 10, 2013 · From the USPTO record | Lapsed on the fee record | Ended Apr 10, 2013 | From the USPTO record |
| US 6,210,311 | Turbine driven centrifugal filter Formerly held Lapsed on the fee record Ended Apr 3, 2013 · From the USPTO record | Lapsed on the fee record | Ended Apr 3, 2013 | From the USPTO record |
| US 6,820,417 | Exhaust aftertreatment system and method for an internal combustion engine Formerly held Lapsed on the fee record Ended Nov 23, 2012 · From the USPTO record | Lapsed on the fee record | Ended Nov 23, 2012 | From the USPTO record |
| US 6,668,663 | Method and apparatus to determine flow rate with the introduction of ambient air Lapsed on the fee record Ended Dec 30, 2011 · From the USPTO record | Lapsed on the fee record | Ended Dec 30, 2011 | From the USPTO record |
| US 6,579,218 | Centrifugal filter utilizing a partial vacuum condition to effect reduced air drag on the centrifuge rotor Lapsed on the fee record Ended Jun 17, 2011 · From the USPTO record | Lapsed on the fee record | Ended Jun 17, 2011 | From the USPTO record |
| US 6,517,475 | Centrifugal filter for removing soot from engine oil Lapsed on the fee record Ended Feb 11, 2011 · From the USPTO record | Lapsed on the fee record | Ended Feb 11, 2011 | From the USPTO record |
| US 6,463,157 | Bone conduction speaker and microphone Lapsed on the fee record Ended Oct 8, 2010 · From the USPTO record | Lapsed on the fee record | Ended Oct 8, 2010 | From the USPTO record |
| US 6,428,700 | Disposable centrifuge cartridge backed up by reusable cartridge casing in a centrifugal filter for removing soot from engine oil Lapsed on the fee record Ended Aug 6, 2010 · From the USPTO record | Lapsed on the fee record | Ended Aug 6, 2010 | From the USPTO record |
| US 6,396,264 | Triplate striplines used in a high-frequency circuit and a shielded-loop magnetic field detector Lapsed on the fee record Ended May 28, 2010 · From the USPTO record | Lapsed on the fee record | Ended May 28, 2010 | From the USPTO record |