Tang; Keqi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tang; Keqi.The latest application filed is for "ion funnel device".

Company Profile

0.32.23

Tang; Keqi - Richland WA
Tang; Keqi - Beavercreek OH

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Ion funnel device Grant 9,824,874 - Ibrahim , et al. November 21, 2	2017-11-21
Ion Funnel Device App 20150357174 - Ibrahim; Yehia M. ; et al.	2015-12-10
Vacuum chamber for ion manipulation device Grant 8,907,273 - Chen , et al. December 9, 2	2014-12-09
Ion manipulation device with electrical breakdown protection Grant 8,901,490 - Chen , et al. December 2, 2	2014-12-02
Microfluidic Sample Injectors Absent Electrokinetic Injection App 20140291155 - Kelly; Ryan T. ; et al.	2014-10-02
Method for enhancing the resolving power of ion mobility separations over a limited mobility range Grant 8,841,608 - Shvartsburg , et al. September 23, 2	2014-09-23
Apparatus and method of dissociating ions in a multipole ion guide Grant 8,772,711 - Webb , et al. July 8, 2	2014-07-08
Sheathless interface for coupling capillary electrophoresis with mass spectrometry Grant 8,754,370 - Wang , et al. June 17, 2	2014-06-17
Method For Enhancing The Resolving Power Of Ion Mobility Separations Over A Limited Mobility Range App 20130299690 - Shvartsburg; Alexandre A. ; et al.	2013-11-14
Systems for Microchip Capillary Electrophoresis Absent Electrokinetic Injection App 20120318672 - Sun; Xuefei ; et al.	2012-12-20
Microchip capillary electrophoresis absent electrokinetic injection Grant 8,277,659 - Sun , et al. October 2, 2	2012-10-02
Platform for field asymmetric waveform ion mobility spectrometry with ion propulsion modes employing gas flow and electric field Grant 8,263,930 - Tang , et al. September 11, 2	2012-09-11
Low pressure electrospray ionization system and process for effective transmission of ions Grant 8,173,960 - Tang , et al. May 8, 2	2012-05-08
Microchip Capillary Electrophoresis Absent Electrokinetic Injection App 20120074066 - Sun; Xuefei ; et al.	2012-03-29
Lossless droplet transfer of droplet-based microfluidic analysis Grant 8,061,187 - Kelly , et al. November 22, 2	2011-11-22
Lossless Droplet Transfer Of Droplet-based Microfluidic Analysis App 20100269573 - Kelly; Ryan T. ; et al.	2010-10-28
Radial arrays of nano-electrospray ionization emitters and methods of forming electrosprays Grant 7,816,645 - Kelly , et al. October 19, 2	2010-10-19
Platform For Field Asymmetric Waveform Ion Mobility Spectrometry With Ion Propulsion Modes Employing Gas Flow And Electric Field App 20100207022 - Tang; Keqi ; et al.	2010-08-19
Low pressure electrospray ionization system and process for effective transmission of ions Grant 7,671,344 - Tang , et al. March 2, 2	2010-03-02
Low Pressure Electrospray Ionization System And Process For Effective Transmission Of Ions App 20090242755 - Tang; Keqi ; et al.	2009-10-01
Radial Arrays Of Nano-electrospray Ionization Emitters And Methods Of Forming Electrosprays App 20090230296 - Kelly; Ryan T. ; et al.	2009-09-17
Method And Apparatus For Selective Filtering Of Ions App 20090108194 - Page; Jason S. ; et al.	2009-04-30
Method and apparatus for selective filtering of ions Grant 7,514,676 - Page , et al. April 7, 2	2009-04-07
Low Pressure Electrospray Ionization System And Process For Effective Transmission Of Ions App 20090057551 - Tang; Keqi ; et al.	2009-03-05
Method of making tapered capillary tips with constant inner diameters Grant 7,491,341 - Kelly , et al. February 17, 2	2009-02-17
Hooked differential mobility spectrometry apparatus and method therefore Grant 7,491,930 - Shvartsburg , et al. February 17, 2	2009-02-17
Mass spectrometer system including a double ion guide interface and method of operation Grant RE40,632 - Tang , et al. February 3, 2	2009-02-03
Hooked Differential Mobility Spectrometry Apparatus And Method Therefore App 20080156978 - Shvartsburg; Alexandre A. ; et al.	2008-07-03
Interface and process for enhanced transmission of non-circular ion beams between stages at unequal pressure Grant 7,339,166 - Tang , et al. March 4, 2	2008-03-04
Method of making tapered capillary tips with constant inner diameters App 20070235408 - Kelly; Ryan T. ; et al.	2007-10-11
Interface and process for enhanced transmission of non-circular ion beams between stages at unequal pressure App 20070200059 - Tang; Keqi ; et al.	2007-08-30
Monolithic electrospray ionization emitters and methods of making same App 20070194224 - Tang; Keqi ; et al.	2007-08-23
Method and apparatus for ion mobility spectrometry with alignment of dipole direction (IMS-ADD) Grant 7,170,053 - Shvartsburg , et al. January 30, 2	2007-01-30
Device for two-dimensional gas-phase separation and characterization of ion mixtures Grant 7,148,474 - Tang , et al. December 12, 2	2006-12-12
Device For Two-dimensional Gas-phase Separation And Characterization Of Ion Mixtures App 20060226353 - Tang; Keqi ; et al.	2006-10-12
Method and apparatus for ion mobility spectrometry with alignment of dipole direction (IMS-ADD) App 20060219889 - Shvartsburg; Alexandre A. ; et al.	2006-10-05
Multi-source ion funnel Grant 6,979,816 - Tang , et al. December 27, 2	2005-12-27
High performance ion mobility spectrometry using hourglass electrodynamic funnel and internal ion funnel Grant 6,967,325 - Smith , et al. November 22, 2	2005-11-22
High performance ion mobility spectrometry using hourglass electrodynamic funnel and internal ion funnel App 20050092918 - Smith, Richard D. ; et al.	2005-05-05
Method and apparatus for multispray emitter for mass spectrometry Grant 6,831,274 - Smith , et al. December 14, 2	2004-12-14
High performance ion mobility spectrometry using hourglass electrodynamic funnel and internal ion funnel Grant 6,818,890 - Smith , et al. November 16, 2	2004-11-16
Multi-source ion funnel App 20040188605 - Tang, Keqi ; et al.	2004-09-30
Capillary tube assembly with replaceable capillary tube Grant 6,667,474 - Abramson , et al. December 23, 2	2003-12-23
Method and apparatus for multispray emitter for mass spectrometry App 20030168591 - Smith, Richard D. ; et al.	2003-09-11
Ionization source utilizing a jet disturber in combination with an ion funnel and method of operation Grant 6,583,408 - Smith , et al. June 24, 2	2003-06-24
Mass spectrometer system including a double ion guide interface and method of operation Grant 6,528,784 - Tang , et al. March 4, 2	2003-03-04
Ionization source utilizing a jet disturber in combination with an ion funnel and method of operation App 20020185606 - Smith, Richard D. ; et al.	2002-12-12
Electrospray employing corona-assisted cone-jet mode Grant 5,873,523 - Gomez , et al. February 23, 1	1999-02-23

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