Inventor
GUCKENBERGER GEORGE B
US21 patents
Patents
21 patentsUS7323682B2Jan 29, 2008
Pulsed ion source for quadrupole mass spectrometer and method
THERMO FINNIGAN LLC31 citations92
US7638763B2Dec 29, 2009
Method and apparatus for scaling intensity data in a mass spectrometer
THERMO FINNIGAN LLC8 citations84
US7622713B2Nov 24, 2009
Method and apparatus for normalizing performance of an electron source
THERMO FINNIGAN LLC9 citations84
US7507954B2Mar 24, 2009
Pulsed ion source for quadrupole mass spectrometer method
THERMO FINNIGAN LLC10 citations84
US7709790B2May 4, 2010
Removable ion source that does not require venting of the vacuum chamber
THERMO FINNIGAN LLC15 citations83
US7456398B2Nov 25, 2008
Efficient detection for ion traps
THERMO FINNIGAN LLC8 citations74
US6635885B2Oct 21, 2003
Apparatus for delivering calibration compounds to mass spectrometers and method
THERMO FINNIGAN LLC8 citations73
US10566180B2Feb 18, 2020
Adjustable multipole assembly for a mass spectrometer
THERMO FINNIGAN LLC2 citations72
US11282685B2Mar 22, 2022
Methods and systems for tuning a mass spectrometer
THERMO FINNIGAN LLC3 citations69
US12014916B2Jun 18, 2024
Axial CI source—off-axis electron beam
THERMO FINNIGAN LLC0 citations62
US7902529B2Mar 8, 2011
Method and apparatus for selectively providing electrons in an ion source
THERMO FINNIGAN LLC5 citations62
US10755914B2Aug 25, 2020
Adjustable multipole assembly for a mass spectrometer
THERMO FINNIGAN LLC1 citations61
US9463534B2Oct 11, 2016
Method and system for decoupling a capillary column from a gas chromatography-mass spectrometry (GC-MS) system
THERMO FINNIGAN LLC1 citations60
US12148603B2Nov 19, 2024
Methods and systems for tuning a mass spectrometer
THERMO FINNIGAN LLC0 citations58
US12487211B2Dec 2, 2025
Ferrule sleeve for preventing excessive ferrule deformation causing leaks and stuck ferrules
THERMO FINNIGAN LLC0 citations54
US11767938B2Sep 26, 2023
Compression nut or fitting with removable plunger for easily dislodging stuck ferrules
THERMO FINNIGAN LLC0 citations54
US10438782B2Oct 8, 2019
Systems and methods for mass calibration
THERMO FINNIGAN LLC0 citations52
US10242850B2Mar 26, 2019
Offline mass calibration
THERMO FINNIGAN LLC0 citations52
US10802003B2Oct 13, 2020
Method and system for decoupling a capillary column from a gas chromatography-mass spectrometry (GC-MS) system
THERMO FINNIGAN LLC0 citations50
US10184924B2Jan 22, 2019
Method and system for decoupling a capillary column from a gas chromatography-mass spectrometry (GC-MS) system
THERMO FINNIGAN LLC0 citations50
US10515789B2Dec 24, 2019
Reducing detector wear during calibration and tuning
THERMO FINNIGAN LLC0 citations48