Electronic Sensor Technology, Inc.

Also on record

Records under this name other than patents Electronic Sensor Technology, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Showing 1 to 5 of 5 · Back to Electronic Sensor Technology, Inc.

Patent	Title	Status	Expires	Confidence
US 6,212,938	Method of detecting smell of a vapor and producing a unique visual representation thereof Term ended Term ended Jun 1, 2019 · From the USPTO record	Term ended	Term ended Jun 1, 2019	From the USPTO record
US 7,832,252	Precise droplet injection for calibrating a gas chromatography instrument Lapsed on the fee record Ended Nov 16, 2018 · From the USPTO record	Lapsed on the fee record	Ended Nov 16, 2018	From the USPTO record
US 6,354,160	Method and apparatus for identifying and analyzing vapor elements Lapsed on the fee record Ended Mar 12, 2014 · From the USPTO record	Lapsed on the fee record	Ended Mar 12, 2014	From the USPTO record
US 5,289,715	Vapor detection apparatus and method using an acoustic interferometer Term ended Term ended no later than Mar 1, 2014 · Low confidence	Term ended	Term ended no later than Mar 1, 2014	Low confidence
US 5,970,803	Method and apparatus for identifying and analyzing vapor elements Term ended Term ended no later than Oct 26, 2019 · Low confidence	Term ended	Term ended no later than Oct 26, 2019	Low confidence