Inventor · disambiguated record
George Yefchak
Also filed as: YEFCHAK GEORGE · YEFCHAK GEORGE E
6 granted patents·4 pending applications·269 citations·filing 1991–2011
86Inventor score
Top patents by PatentIndex Score
10 records- 0191US5175430ATime-compressed chromatography in mass spectrometryMERIDIAN INSTR INC·Filed 1991·Granted Dec 29, 1992·154 cites·11 claims
- 0289US6455845B1Ion packet generation for mass spectrometerAGILENT TECHNOLOGIES INC·Filed 2000·Granted Sep 24, 2002·40 cites·23 claims
- 0387US6843281B1Methods and apparatus for introducing liquids into microfluidic chambersAGILENT TECHINOLOGIES INC·Filed 2003·Granted Jan 18, 2005·44 cites·14 claims
- 0483US6700118B2Thermal drift compensation to mass calibration in time-of-flight mass spectrometryAGILENT TECHNOLOGIES INC·Filed 2001·Granted Mar 2, 2004·19 cites·19 claims
- 0571US6627874B1Pressure measurement using ion beam current in a mass spectrometerAGILENT TECHNOLOGIES INC·Filed 2000·Granted Sep 30, 2003·10 cites·17 claims
- 0650US2009108191A1Mass Spectrometer gain adjustment using ion ratiosYEFCHAK GEORGE·Filed 2007·Application pending·0 cites
- 0742US2008073499A1Peak finding in low-resolution mass spectrometry by use of chromatographic integration routinesYEFCHAK GEORGE·Filed 2006·Application pending·0 cites
- 0840US2005126905A1High-precision feedback control for ion sculpting of solid state featuresAGILENT TECHNOLOGIES INC·Filed 2004·Application pending·0 cites
- 0940US2014217276A1Sequential Low/High-Resolution Library SearchAGILENT TECHNOLOGIES INC·Filed 2011·Application pending·0 cites
- 1032US6369384B1Time-of-flight mass spectrometer with post-deflector filter assemblyAGILENT TECHNOLOGIES INC·Filed 1999·Granted Apr 9, 2002·2 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →