Inventor · disambiguated record

John Lawrence Campbell

Also filed as: CAMPBELL JOHN · CAMPBELL JOHN L · CAMPBELL JOHN LAWRENCE

30 granted patents·10 pending applications·49 citations·filing 2010–2025

94Inventor score

Technology areasH01J G01N A01M A61B B01L

Files withDH TECHNOLOGIES DEV PTE LTD37 CAMPBELL JOHN L1 DH TECHNOLGIES DEV PTE LTD1 LAPLANTE PAULITA M1

Top patents by PatentIndex Score

40 records

0193US10486156B2Fluid transfer from digital microfluidic deviceDH TECHNOLOGIES DEV PTE LTD·Filed 2015·Granted Nov 26, 2019·9 cites·11 claims
0291US11574801B1Methods and systems for mass spectrometry analysis utilizing hydrogen-deuterium exchangeDH TECHNOLOGIES DEV PTE LTD·Filed 2020·Granted Feb 7, 2023·2 cites·20 claims
0390US9196468B2Method and system for introducing make-up flow in an electrospray ion source systemDH TECHNOLOGIES DEV PTE LTD·Filed 2013·Granted Nov 24, 2015·10 cites·20 claims
0481US10656147B2Magnetic elements for processing fluidsDH TECHNOLOGIES DEV PTE LTD·Filed 2015·Granted May 19, 2020·2 cites·12 claims
0578US10001456B2Methods for detection in differential mobility spectrometer using a peptide metal complexDH TECHNOLOGIES DEV PTE LTD·Filed 2015·Granted Jun 19, 2018·2 cites·19 claims
0677US10128093B2Method for deconvolutionDH TECHNOLOGIES DEV PTE LTD·Filed 2016·Granted Nov 13, 2018·2 cites·15 claims
0777US9360455B2Methods for analysis of isomeric lipidsDH TECHNOLOGIES DEV PTE LTD·Filed 2013·Granted Jun 7, 2016·2 cites·13 claims
0876US9164060B2Reducing interferences in isobaric tag-based quantificationDH TECHNOLOGIES DEV PTE LTD·Filed 2013·Granted Oct 20, 2015·3 cites·20 claims
0976US8890062B2Differential mobility spectrometer and methods thereofDH TECHNOLOGIES DEV PTE LTD·Filed 2012·Granted Nov 18, 2014·2 cites·15 claims
1076US2025360515A1Electromagnetic Assemblies for Processing FluidsDH TECHNOLOGIES DEV PTE LTD·Filed 2025·Application pending·0 cites
1174US9343277B2Parsing events during MS3 experimentsDH TECHNOLOGIES DEV PTE LTD·Filed 2013·Granted May 17, 2016·2 cites·18 claims
1273US11424114B2Predicting molecular collision cross-section using differential mobility spectrometryDH TECHNOLOGIES DEV PTE LTD·Filed 2018·Granted Aug 23, 2022·2 cites·15 claims
1373US9347917B2Mass spectrometry systems and methods for analyses on lipid and other ions using a unique workflowDH TECHNOLGIES DEV PTE LTD·Filed 2013·Granted May 24, 2016·5 cites·17 claims
1472US11728152B2Predicting molecular collision cross-section using differential mobility spectrometryDH TECHNOLOGIES DEV PTE LTD·Filed 2022·Granted Aug 15, 2023·0 cites·20 claims
1570US9768002B2Parsing events during MS3 experimentsDH TECHNOLOGIES DEV PTE LTD·Filed 2016·Granted Sep 19, 2017·1 cites·18 claims
1670US9202676B2Method and system for quantitative and qualitative analysis using mass spectrometryDH TECHNOLOGIES DEV PTE LTD·Filed 2012·Granted Dec 1, 2015·2 cites·20 claims
1769US9548190B2Scheduled MS3 for quantitationDH TECHNOLOGIES DEV PTE LTD·Filed 2013·Granted Jan 17, 2017·2 cites·17 claims
1864US9123514B2In situ generation of ozone for mass spectrometersDH TECHNOLOGIES DEV PTE LTD·Filed 2012·Granted Sep 1, 2015·1 cites·6 claims
1959US12397302B2Electromagnetic assemblies for processing fluidsDH TECHNOLOGIES DEV PTE LTD·Filed 2016·Granted Aug 26, 2025·0 cites·8 claims
2058US2024085373A1Dynamic heating of a differential mobility spectrometer cellDH TECHNOLOGIES DEV PTE LTD·Filed 2022·Application pending·0 cites
2157US9236231B2Modulation of instrument resolution dependant upon the complexity of a previous scanDH TECHNOLOGIES DEV PTE LTD·Filed 2013·Granted Jan 12, 2016·0 cites·20 claims
2257US2024003846A1Methods For Detection Of Isomeric Steroids Using Differential Mobility SpectrometryDH TECHNOLOGIES DEV PTE LTD·Filed 2021·Application pending·0 cites
2355US9691595B2Modulation of instrument resolution dependant upon the complexity of a previous scanDH TECHNOLOGIES DEV PTE LTD·Filed 2015·Granted Jun 27, 2017·0 cites·20 claims
2453US12196709B2Determining curtain plate integrity in differential mobility spectrometryDH TECHNOLOGIES DEV PTE LTD·Filed 2021·Granted Jan 14, 2025·0 cites·16 claims
2552US11215583B2Methods for detection of sample enantiomers using differential mobility spectrometryDH TECHNOLOGIES DEV PTE LTD·Filed 2017·Granted Jan 4, 2022·0 cites·18 claims
2652US2025029823A1Electron-Based Fragmentation MethodDH TECHNOLOGIES DEV PTE LTD·Filed 2022·Application pending·0 cites
2751US11953478B2Agnostic compound elution determinationDH TECHNOLOGIES DEV PTE LTD·Filed 2020·Granted Apr 9, 2024·0 cites·15 claims
2851US11085925B2Isomeric reagent tags for differential mobility spectrometryDH TECHNOLOGIES DEV PTE LTD·Filed 2016·Granted Aug 10, 2021·0 cites·6 claims
2950US11004669B2Method and apparatus for analyzing samples using mass spectrometryDH TECHNOLOGIES DEV PTE LTD·Filed 2016·Granted May 11, 2021·0 cites·20 claims
3049US2021175059A1Acquisition strategy for obtaining electron-ionization-like spectraDH TECHNOLOGIES DEV PTE LTD·Filed 2020·Application pending·0 cites
3147US9299549B2Generation of reagent ions for ion-ion reactionsDH TECHNOLOGIES DEV PTE LTD·Filed 2012·Granted Mar 29, 2016·0 cites·8 claims
3247US2012043357A1Device and method for carrying a turkeyCAMPBELL JOHN L·Filed 2010·Application pending·0 cites
3346US10032614B2Methods for analysis of lipids using mass spectrometryDH TECHNOLOGIES DEV PTE LTD·Filed 2015·Granted Jul 24, 2018·0 cites·21 claims
3446US9390238B2Windowing combined with ion-ion reactions for chemical noise eliminationDH TECHNOLOGIES DEV PTE LTD·Filed 2012·Granted Jul 12, 2016·0 cites·8 claims
3543US2014353491A1Creating an ion-ion reaction region within a low-pressure linear ion trapDH TECHNOLOGIES DEV PTE LTD·Filed 2012·Application pending·0 cites
3642US2015260684A1Method and apparatus for ion mobility spectrometryDH TECHNOLOGIES DEV PTE LTD·Filed 2013·Application pending·0 cites
3741US10345261B2Differential mobility spectrometry methodDH TECHNOLOGIES DEV PTE LTD·Filed 2015·Granted Jul 9, 2019·0 cites·16 claims
3840US2013060143A1Doppler probe placement device and method of useLAPLANTE PAULITA M·Filed 2012·Application pending·0 cites
3938US10309930B2Dynamic orthogonal analysis methodDH TECHNOLOGIES DEV PTE LTD·Filed 2015·Granted Jun 4, 2019·0 cites·15 claims
4035US2018108521A1Method of Increasing Quality of Tandem Mass SpectraDH TECHNOLOGIES DEV PTE LTD·Filed 2016·Application pending·0 cites

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →