Inventor · disambiguated record
John Fjeldsted
Also filed as: FJELDSTED JOHN · FJELDSTED JOHN C · FJELDSTED JOHN CHRISTIAN
11 granted patents·1 pending application·213 citations·filing 1982–2014
91Inventor score
Files withAGILENT TECHNOLOGIES INC7HEWLETT PACKARD CO2BRUKER DALTONIK GMBH1HIDALGO AUGUST1UNIV BRIGHAM YOUNG1
Top patents by PatentIndex Score
12 records- 0193US4885500AQuartz quadrupole for mass filterHEWLETT PACKARD CO·Filed 1988·Granted Dec 5, 1989·75 cites·3 claims
- 0291US7423259B2Mass spectrometer and method for enhancing dynamic rangeAGILENT TECHNOLOGIES INC·Filed 2006·Granted Sep 9, 2008·27 cites·17 claims
- 0389US7412334B2Mass spectrometer and method for enhancing resolution of mass spectraAGILENT TECHNOLOGIES INC·Filed 2006·Granted Aug 12, 2008·11 cites·20 claims
- 0487US7385185B2Molecular activation for tandem mass spectroscopyAGILENT TECHNOLOGIES INC·Filed 2005·Granted Jun 10, 2008·9 cites·38 claims
- 0580US7863556B2Enhanced resolution mass spectrometer and mass spectrometry methodAGILENT TECHNOLOGIES INC·Filed 2008·Granted Jan 4, 2011·5 cites·27 claims
- 0680US4479380AOpen-tubular supercritical fluid chromatographyUNIV BRIGHAM YOUNG·Filed 1982·Granted Oct 30, 1984·41 cites·24 claims
- 0769US4804839AHeating system for GC/MS instrumentsHEWLETT PACKARD CO·Filed 1987·Granted Feb 14, 1989·29 cites·9 claims
- 0866US7684932B2Systems and methods for dynamically adjusting sampling rates of mass spectrometersAGILENT TECHNOLOGIES INC·Filed 2006·Granted Mar 23, 2010·1 cites·13 claims
- 0965US9482642B2Fast method for measuring collision cross section of ions utilizing ion mobility spectrometryAGILENT TECHNOLOGIES INC·Filed 2014·Granted Nov 1, 2016·1 cites·20 claims
- 1060US7908093B2Mass spectrometer and method for enhancing resolution of mass spectraAGILENT TECHNOLOGIES INC·Filed 2008·Granted Mar 15, 2011·0 cites·20 claims
- 1159US5903003AMethods of comparative analysis using ion trap mass spectrometersBRUKER DALTONIK GMBH·Filed 1998·Granted May 11, 1999·14 cites·10 claims
- 1245US2011210240A1Enhanced Resolution Mass Spectrometer and Mass Spectrometry MethodHIDALGO AUGUST·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →