Inventor
JARRELL JOSEPH A
US45 patents
⚠️ This page may combine multiple inventors who share the name “JARRELL JOSEPH A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WATERS TECHNOLOGIES CORP
22 patentsUS10413846B2Sep 17, 2019
Techniques for thermally insulating a liquid chromatographic column
WATERS TECHNOLOGIES CORP6 citations84
US7911609B2Mar 22, 2011
Evaporative light scattering detector
WATERS TECHNOLOGIES CORP11 citations84
US7847936B2Dec 7, 2010
Evaporative light scattering device and methods of use thereof
WATERS TECHNOLOGIES CORP9 citations84
US9305761B2Apr 5, 2016
Ion source for mass spectrometer and method of producing analyte ion stream
WATERS TECHNOLOGIES CORP4 citations73
US9744477B2Aug 29, 2017
Purge method for low pressure gradient formation liquid chromatography
WATERS TECHNOLOGIES CORP2 citations71
US11842891B2Dec 12, 2023
Ion detector
WATERS TECHNOLOGIES CORP0 citations62
US11273390B2Mar 15, 2022
Techniques for thermally insulating a liquid chromatographic column
WATERS TECHNOLOGIES CORP0 citations62
US10312069B2Jun 4, 2019
Dual mode ionization device
WATERS TECHNOLOGIES CORP1 citations62
US8035088B2Oct 11, 2011
Device, apparatus and methods for mass spectrometry
WATERS TECHNOLOGIES CORP3 citations62
US10371673B2Aug 6, 2019
Carbon dioxide based chromatography systems including multiple carbon dioxide pumps
WATERS TECHNOLOGIES CORP1 citations61
US7863561B2Jan 4, 2011
Mass-spectrometer interface housing
WATERS TECHNOLOGIES CORP2 citations60
US11185795B2Nov 30, 2021
Techniques for thermally insulating a chromatographic column
WATERS TECHNOLOGIES CORP0 citations59
US12431343B2Sep 30, 2025
Inductive detector with integrated amplifier
WATERS TECHNOLOGIES CORP0 citations54
US11205566B2Dec 21, 2021
Apparatus and method for contactless sampling of solutions and interface to mass spectrometry
WATERS TECHNOLOGIES CORP0 citations53
US10192725B2Jan 29, 2019
Atmospheric interface for electrically grounded electrospray
WATERS TECHNOLOGIES CORP0 citations52
US9929000B2Mar 27, 2018
Method and an apparatus for ionizing a sample
WATERS TECHNOLOGIES CORP0 citations52
US8834796B2Sep 16, 2014
Chromatographic optical detection system
WATERS TECHNOLOGIES CORP1 citations52
US10753916B2Aug 25, 2020
Systems, methods, and devices for detecting leaks in a chromatography system
WATERS TECHNOLOGIES CORP0 citations50
US10183238B2Jan 22, 2019
Flow splitting in supercritical fluid chromatography systems
WATERS TECHNOLOGIES CORP0 citations50
US10438689B2Oct 8, 2019
Method and system for screening of cells and organoids
WATERS TECHNOLOGIES CORP0 citations42
US9362098B2Jun 7, 2016
Ion optical element
WATERS TECHNOLOGIES CORP0 citations42
US7897917B2Mar 1, 2011
Methods and apparatus for performing chromatography and mass spectroscopy with supercritical fluid samples
WATERS TECHNOLOGIES CORP0 citations42
WATERS INVESTMENTS LTD
9 patentsUS5828062AOct 27, 1998
Ionization electrospray apparatus for mass spectrometry
WATERS INVESTMENTS LTD113 citations97
US6278111B1Aug 21, 2001
Electrospray for chemical analysis
WATERS INVESTMENTS LTD86 citations96
US5436446AJul 25, 1995
Analyzing time modulated electrospray
WATERS INVESTMENTS LTD53 citations96
US6071610AJun 6, 2000
Enhanced resolution matrix-laser desorption and ionization TOF-MS sample surface
WATERS INVESTMENTS LTD54 citations94
US6525314B1Feb 25, 2003
Compact high-performance mass spectrometer
WATERS INVESTMENTS LTD37 citations92
US6376044B1Apr 23, 2002
Enhanced resolution matrix-laser desorption and ionization TOF-MS sample surface
WATERS INVESTMENTS LTD16 citations91
US6396057B1May 28, 2002
Electrospray and other LC/MS interfaces
WATERS INVESTMENTS LTD37 citations90
US6558744B2May 6, 2003
Enhanced resolution matrix-laser desorption and ionization TOF-MS sample surface
WATERS INVESTMENTS LTD9 citations72
US5526682AJun 18, 1996
Method and apparatus for analyzing sample solutions
WATERS INVESTMENTS LTD8 citations69
JARRELL JOSEPH A
8 patentsUS8642952B2Feb 4, 2014
Apparatus and methods for gas chromatography-mass spectrometry
JARRELL JOSEPH A7 citations84
US8089627B2Jan 3, 2012
Evaporative light scattering detector
JARRELL JOSEPH A6 citations73
US8641882B2Feb 4, 2014
Capillary column cartridge
JARRELL JOSEPH A5 citations64
US8973427B2Mar 10, 2015
Apparatus and methods for the measurement of mass related parameters
JARRELL JOSEPH A2 citations62
US8449746B2May 28, 2013
Systems and methods for coupling molecule separation devices to analytical instruments
JARRELL JOSEPH A2 citations62
US8294091B2Oct 23, 2012
Methods and apparatus for performing gas and liquid mass spectrometry
JARRELL JOSEPH A3 citations62
US8232521B2Jul 31, 2012
Device and method for analyzing a sample
JARRELL JOSEPH A1 citations51
US9905409B2Feb 27, 2018
Devices and methods for performing mass analysis
JARRELL JOSEPH A0 citations35