Inventor · disambiguated record
Gregory J. Wells
Also filed as: WELLS GREGORY · WELLS GREGORY J · WELLS GREGORY JAMES · WELLS GREGORY N
69 granted patents·5 pending applications·1,663 citations·filing 1979–2012
99Inventor score
Top patents by PatentIndex Score
74 records- 0197US6730904B1Asymmetric-field ion guiding devicesVARIAN INC·Filed 2003·Granted May 4, 2004·88 cites·34 claims
- 0294US5714755AMass scanning method using an ion trap mass spectrometerVARIAN ASSOCIATES·Filed 1996·Granted Feb 3, 1998·112 cites·31 claims
- 0394US5397894AMethod of high mass resolution scanning of an ion trap mass spectrometerVARIAN ASSOCIATES·Filed 1993·Granted Mar 14, 1995·130 cites·17 claims
- 0493US7378653B2Increasing ion kinetic energy along axis of linear ion processing devicesVARIAN INC·Filed 2006·Granted May 27, 2008·18 cites·22 claims
- 0593US5081127ASubstituted 1,2,3-triazole angiotensin II antagonistsDU PONT·Filed 1990·Granted Jan 14, 1992·58 cites·4 claims
- 0692US7034293B2Linear ion trap apparatus and method utilizing an asymmetrical trapping fieldVARIAN INC·Filed 2004·Granted Apr 25, 2006·44 cites·33 claims
- 0791US6710336B2Ion trap mass spectrometer using pre-calculated waveforms for ion isolation and collision induced dissociationVARIAN INC·Filed 2002·Granted Mar 23, 2004·39 cites·11 claims
- 0891US5198665AQuadrupole trap improved technique for ion isolationVARIAN ASSOCIATES·Filed 1992·Granted Mar 30, 1993·69 cites·17 claims
- 0989US8148391B2Fused bicyclic derivatives of 2,4-diaminopyrimidine as ALK and c-Met inhibitorsAHMED GULZAR·Filed 2007·Granted Apr 3, 2012·17 cites·8 claims
- 1088US7405399B2Field conditions for ion excitation in linear ion processing apparatusVARIAN INC·Filed 2006·Granted Jul 29, 2008·10 cites·20 claims
- 1188US6294780B1Pulsed ion source for ion trap mass spectrometerVARIAN INC·Filed 1999·Granted Sep 25, 2001·80 cites·13 claims
- 1287US7232993B1Ion fragmentation parameter selection systems and methodsVARIAN INC·Filed 2005·Granted Jun 19, 2007·11 cites·20 claims
- 1387US6288231B1Peptide-containing α-ketoamide cysteine and serine protease inhibitorsCEPHALON INC·Filed 2000·Granted Sep 11, 2001·19 cites·5 claims
- 1487US5479012AMethod of space charge control in an ion trap mass spectrometerVARIAN ASSOCIATES·Filed 1994·Granted Dec 26, 1995·53 cites·18 claims
- 1587US5448061AMethod of space charge control for improved ion isolation in an ion trap mass spectrometer by dynamically adaptive samplingVARIAN ASSOCIATES·Filed 1994·Granted Sep 5, 1995·52 cites·23 claims
- 1686US7405400B2Adjusting field conditions in linear ion processing apparatus for different modes of operationVARIAN INC·Filed 2006·Granted Jul 29, 2008·9 cites·20 claims
- 1786US7351965B2Rotating excitation field in linear ion processing apparatusVARIAN INC·Filed 2006·Granted Apr 1, 2008·9 cites·20 claims
- 1886US5517025AFrequency modulated selected ion species isolation in a quadrupole ion trapFiled 1995·Granted May 14, 1996·47 cites·4 claims
- 1985US8552186B2Fused bicyclic derivatives of 2,4-diaminopyrimidine as ALK and c-MET inhibitorsAHMED GULZAR·Filed 2012·Granted Oct 8, 2013·10 cites·26 claims
- 2084US7501623B2Two-dimensional electrode constructions for ion processingVARIAN INC·Filed 2006·Granted Mar 10, 2009·8 cites·21 claims
- 2184US6177669B1Vortex gas flow interface for electrospray mass spectrometryVARIAN INC·Filed 1998·Granted Jan 23, 2001·46 cites·12 claims
- 2284US5302826AQuadrupole trap improved technique for collisional induced disassociation for MS/MS processesVARIAN ASSOCIATES·Filed 1992·Granted Apr 12, 1994·44 cites·12 claims
- 2383US8158934B2Electron capture dissociation apparatus and related methodsWELLS GREGORY J·Filed 2009·Granted Apr 17, 2012·7 cites·20 claims
- 2483US6207955B1Pneumatically assisted electrospray device with alternating pressure gradients for mass spectrometryVARIAN INC·Filed 1998·Granted Mar 27, 2001·43 cites·12 claims
- 2582US5608216AFrequency modulated selected ion species isolation in a quadrupole ion trapVARIAN ASSOCIATES·Filed 1995·Granted Mar 4, 1997·32 cites·2 claims
- 2682US5521380AFrequency modulated selected ion species isolation in a quadrupole ion trapFiled 1994·Granted May 28, 1996·33 cites·24 claims
- 2781US5083004ASpectroscopic plasma torch for microwave induced plasmasVARIAN ASSOCIATES·Filed 1989·Granted Jan 21, 1992·46 cites·18 claims
- 2880US7470900B2Compensating for field imperfections in linear ion processing apparatusVARIAN INC·Filed 2006·Granted Dec 30, 2008·5 cites·27 claims
- 2980US6818888B2Vortex flow atmospheric pressure chemical ionization source for mass spectrometryVARIAN INC·Filed 2002·Granted Nov 16, 2004·18 cites·32 claims
- 3079US6794646B2Method and apparatus for atmospheric pressure chemical ionizationVARIAN INC·Filed 2003·Granted Sep 21, 2004·18 cites·21 claims
- 3179US5015651ATreatment of hypertension with 1,2,4-angiotensin II antagonistsDU PONT·Filed 1988·Granted May 14, 1991·26 cites·4 claims
- 3278US7811367B2Drying enhancement additive and method of using sameGENESIS II OF NC LLC·Filed 2010·Granted Oct 12, 2010·3 cites·14 claims
- 3378US5640011AMethod of detecting selected ion species in a quadrupole ion trapVARIAN ASSOCIATES·Filed 1996·Granted Jun 17, 1997·31 cites·8 claims
- 3477US5396064AQuadrupole trap ion isolation methodVARIAN ASSOCIATES·Filed 1994·Granted Mar 7, 1995·30 cites·14 claims
- 3576US5457315AMethod of selective ion trapping for quadrupole ion trap mass spectrometersVARIAN ASSOCIATES·Filed 1994·Granted Oct 10, 1995·29 cites·16 claims
- 3676US5093346ASubstituted 1,2,4-triazole angiotensin II antagonistsDU PONT·Filed 1991·Granted Mar 3, 1992·17 cites·5 claims
- 3776US4597421AMethod and device for on-column injection of a liquid sample into small diameter columnsVARIAN ASSOCIATES·Filed 1984·Granted Jul 1, 1986·29 cites·13 claims
- 3875US8716493B2Multicyclic compounds and the use thereofCHATTERJEE SANKAR·Filed 2010·Granted May 6, 2014·4 cites·27 claims
- 3975US5381006AMethods of using ion trap mass spectrometersVARIAN ASSOCIATES·Filed 1993·Granted Jan 10, 1995·37 cites·47 claims
- 4074US8299421B2Low-pressure electron ionization and chemical ionization for mass spectrometryWELLS GREGORY J·Filed 2010·Granted Oct 30, 2012·3 cites·18 claims
- 4173US8471005B2Pyrrolotriazines as ALK and JAK2 inhibitorsBRESLIN HENRY J·Filed 2011·Granted Jun 25, 2013·3 cites·10 claims
- 4272US7682440B2Drying enhancement additive and method of using sameGENESIS II OF NC LLC·Filed 2006·Granted Mar 23, 2010·3 cites·19 claims
- 4372US7629575B2Charge control for ionic charge accumulation devicesVARIAN INC·Filed 2007·Granted Dec 8, 2009·2 cites·20 claims
- 4472US5404011AMSn using CIDVARIAN ASSOCIATES·Filed 1993·Granted Apr 4, 1995·24 cites·23 claims
- 4571US6888133B2Integrated ion focusing and gating optics for ion trap mass spectrometerVARIAN INC·Filed 2002·Granted May 3, 2005·10 cites·10 claims
- 4671US6703368B2Peptide-containing α-ketoamide cysteine and serine protease inhibitorsCEPHALON INC·Filed 2001·Granted Mar 9, 2004·3 cites·13 claims
- 4769US6150378APeptidyl-containing α-ketoamide cysteine and serine protease inhibitorsCEPHALON INC·Filed 1998·Granted Nov 21, 2000·17 cites·4 claims
- 4866US5773411ACyclic compounds linked by a heterocyclic ring useful as inhibitors of platelet glycoprotein IIB/IIIADU PONT MERCK PHARMA·Filed 1994·Granted Jun 30, 1998·17 cites·12 claims
- 4965US5952328ABenzothiazo and related heterocyclic group-containing cysteine and serine protease inhibitorsCEPHALON INC·Filed 1997·Granted Sep 14, 1999·11 cites·53 claims
- 5065US4682027AMethod and apparatus for sample confirmation in gas chromatographyVARIAN ASSOCIATES·Filed 1986·Granted Jul 21, 1987·23 cites·6 claims
Showing the top 50 of 74 patent records by PatentIndex Score.
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