Inventor · disambiguated record
Charles Nehemiah Mcewen
Also filed as: MCEWEN CHARLES N · MCEWEN CHARLES NEHEMIAH
10 granted patents·2 pending applications·169 citations·filing 2003–2024
90Inventor score
Files withDU PONT4M & M MASS SPEC CONSULTING LLC2UNIV OF THE SCIENCES IN PHILADELPHIA2ANDREWS GERALD DONALD1MCEWEN CHARLES NEHEMIAH1
Top patents by PatentIndex Score
12 records- 0193US7642510B2Ion source for a mass spectrometerDU PONT·Filed 2006·Granted Jan 5, 2010·25 cites·29 claims
- 0286US9552973B2System and method for ionization of molecules for mass spectrometry and ion mobility spectrometryMCEWEN CHARLES NEHEMIAH·Filed 2011·Granted Jan 24, 2017·11 cites·24 claims
- 0385US7977629B2Atmospheric pressure ion source probe for a mass spectrometerM & M MASS SPEC CONSULTING LLC·Filed 2008·Granted Jul 12, 2011·19 cites·26 claims
- 0485US6729552B1Liquid dispersion deviceDU PONT·Filed 2003·Granted May 4, 2004·49 cites·23 claims
- 0584US10796894B2System and method for ionization of molecules for mass spectrometry and ion mobility spectrometryUNIV OF THE SCIENCES IN PHILADELPHIA·Filed 2018·Granted Oct 6, 2020·3 cites·31 claims
- 0684US9305759B2Ionization at intermediate pressure for atmospheric pressure ionization mass spectrometersUNIV THE SCIENCES IN PHILADELPHIA·Filed 2013·Granted Apr 5, 2016·10 cites·24 claims
- 0783US6871794B2Liquid dispersion deviceDU PONT·Filed 2003·Granted Mar 29, 2005·46 cites·18 claims
- 0882US10128096B2System and method for ionization of molecules for mass spectrometry and ion mobility spectrometryUNIV OF THE SCIENCES IN PHILADELPHIA·Filed 2017·Granted Nov 13, 2018·3 cites·24 claims
- 0962US2025069878A1Vacuum Chamber Assembly with Multiple Functions to Maximize Universality and PerformanceMSTM LLC·Filed 2024·Application pending·0 cites
- 1061US8308886B2Donor elements and processes for thermal transfer of nanoparticle layersANDREWS GERALD DONALD·Filed 2006·Granted Nov 13, 2012·3 cites·37 claims
- 1151US8377622B2Thermally imageable dielectric layers, thermal transfer donors and receiversDU PONT·Filed 2011·Granted Feb 19, 2013·0 cites·13 claims
- 1246US2010276589A1Atmospheric pressure ion source moving transport interface for a mass spectrometerM & M MASS SPEC CONSULTING LLC·Filed 2009·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →