Inventor · disambiguated record
John Lewellen
Also filed as: LEWELLEN IV JOHN W · LEWELLEN JOHN · LEWELLEN JOHN W
29 granted patents·1 pending application·278 citations·filing 1998–2021
97Inventor score
Files withASML HOLDING NV5TRIAD NAT SECURITY LLC5UCHICAGO ARGONNE LLC5LOS ALAMOS NAT SECURITY LLC3SILICON VALLEY GROUP3
Top patents by PatentIndex Score
30 records- 0192US11160158B1Compact, high-efficiency accelerators driven by low-voltage solid-state amplifiersTRIAD NAT SECURITY LLC·Filed 2020·Granted Oct 26, 2021·6 cites·20 claims
- 0291US11527806B1Waveguide flange adapter configured to connect with first and second waveguide flanges, where the first and second flanges have hole patterns that are differentUS GOV AIR FORCE·Filed 2020·Granted Dec 13, 2022·3 cites·17 claims
- 0390US6327793B1Method for two dimensional adaptive process control of critical dimensions during spin coating processSILICON VALLEY GROUP·Filed 2000·Granted Dec 11, 2001·28 cites·48 claims
- 0489US10649117B1Multicube retroreflector and retroreflector-based communication systemTRIAD NAT SECURITY LLC·Filed 2017·Granted May 12, 2020·6 cites·18 claims
- 0589US6662466B2Method for two dimensional adaptive process control of critical dimensions during spin coating processASML HOLDINGS N V·Filed 2001·Granted Dec 16, 2003·24 cites·48 claims
- 0688US10568196B1Compact, high-efficiency accelerators driven by low-voltage solid-state amplifiersLOS ALAMOS NAT SECURITY LLC·Filed 2017·Granted Feb 18, 2020·8 cites·21 claims
- 0783US9330879B2Bremstrahlung target for intensity modulated X-ray radiation therapy and stereotactic X-ray therapyLEWELLEN JOHN·Filed 2012·Granted May 3, 2016·27 cites·17 claims
- 0882US10998158B1Variable-focus magnetostatic lensTRIAD NAT SECURITY LLC·Filed 2019·Granted May 4, 2021·5 cites·19 claims
- 0981US6468586B1Environment exchange control for material on a wafer surfaceSILICON VALLEY GROUP·Filed 2000·Granted Oct 22, 2002·15 cites·12 claims
- 1080US6254936B1Environment exchange control for material on a wafer surfaceSILICON VALLEY GROUP·Filed 1998·Granted Jul 3, 2001·33 cites·22 claims
- 1179US6844027B1Environment exchange control for material on a wafer surfaceASML HOLDING NV·Filed 2000·Granted Jan 18, 2005·13 cites·7 claims
- 1278US10354828B1Photocathodes with protective in-situ graphene gas barrier films and method of making the sameLOS ALAMOS NAT SECURITY LLC·Filed 2017·Granted Jul 16, 2019·2 cites·10 claims
- 1376US6780461B2Environment exchange control for material on a wafer surfaceASML HOLDING NV·Filed 2001·Granted Aug 24, 2004·16 cites·5 claims
- 1474US10854417B1Radial radio frequency (RF) electron gunsTRIAD NAT SECURITY LLC·Filed 2018·Granted Dec 1, 2020·1 cites·19 claims
- 1573US6977098B2Method of uniformly coating a substrateASML HOLDING NV·Filed 2001·Granted Dec 20, 2005·17 cites·5 claims
- 1672US10211505B1Sideline radio-frequency power couplerLOS ALAMOS NAT SECURITY LLC·Filed 2017·Granted Feb 19, 2019·2 cites·20 claims
- 1772US7394201B2Field emission cathode gating for RF electron guns and planar focusing cathodesUCHICAGO ARGONNE LLC·Filed 2005·Granted Jul 1, 2008·2 cites·6 claims
- 1869US9129714B2Electron linac for medical isotope production with improved energy efficiency and isotope recoveryNOONAN JOHN·Filed 2011·Granted Sep 8, 2015·6 cites·15 claims
- 1969US7250727B2High power, long focus electron source for beam processingUCHICAGO ARGONNE LLC·Filed 2005·Granted Jul 31, 2007·2 cites·7 claims
- 2068US7312461B2Laparoscopic tumor therapy using high energy electron irradiationUCHICAGO ARGONNE LLC·Filed 2005·Granted Dec 25, 2007·7 cites·13 claims
- 2168US6858998B1Variable-period undulators for synchrotron radiationUS ENERGY·Filed 2003·Granted Feb 22, 2005·26 cites·10 claims
- 2266US7030039B2Method of uniformly coating a substrateASML HOLDING NV·Filed 2001·Granted Apr 18, 2006·11 cites·32 claims
- 2366US6911091B2Environment exchange control for material on a wafer surfaceASML NETHERLANDS BV·Filed 2002·Granted Jun 28, 2005·6 cites·35 claims
- 2464US6987361B1Field emission cathode gating for RF electron guns and planar focusing cathodesUNIV CHICAGO·Filed 2004·Granted Jan 17, 2006·4 cites·5 claims
- 2563US7760054B2Tubular RF cage field confinement cavityUCHICAGO ARGONNE LLC·Filed 2007·Granted Jul 20, 2010·3 cites·18 claims
- 2662US10535486B1Photocathodes with protective in-situ graphene gas barrier films and method of making the sameTRIAD NAT SECURITY LLC·Filed 2019·Granted Jan 14, 2020·0 cites·10 claims
- 2761US11810774B2Field emission devicesUS Govt as represented by Secretary of Air Force·Filed 2021·Granted Nov 7, 2023·0 cites·20 claims
- 2854US7018943B2Method of uniformly coating a substrateASML HOLDING NV·Filed 2001·Granted Mar 28, 2006·5 cites·85 claims
- 2952US7573053B2Polarized pulsed front-end beam source for electron microscopeUCHICAGO ARGONNE LLC·Filed 2007·Granted Aug 11, 2009·0 cites·19 claims
- 3032US2006039417A1Compact system and method for the production of long-wavelength, electromagnetic radiation extending over the terahertz regimeUNIV CHICAGO·Filed 2005·Application pending·0 cites
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