Inventor · disambiguated record
John A. Smith
Also filed as: SMITH JOHN · SMITH JOHN A · SMITH JOHN A S · SMITH JOHN ALBERT
21 granted patents·5 pending applications·755 citations·filing 1976–2023
96Inventor score
Top patents by PatentIndex Score
26 records- 0198US7764140B2Radio frequency power delivery systemMKS INSTR INC·Filed 2006·Granted Jul 27, 2010·139 cites·28 claims
- 0296US8633782B2Radio frequency power delivery systemNAGARKATTI SIDDHARTH P·Filed 2010·Granted Jan 21, 2014·64 cites·17 claims
- 0395US4160971ATranspondersNAT RES DEV·Filed 1976·Granted Jul 10, 1979·164 cites·33 claims
- 0494US8003935B2Chemical ionization reaction or proton transfer reaction mass spectrometry with a quadrupole mass spectrometerMKS INSTR INC·Filed 2007·Granted Aug 23, 2011·41 cites·21 claims
- 0593US8704171B2Chemical ionization reaction or proton transfer reaction mass spectrometryMKS INSTR INC·Filed 2012·Granted Apr 22, 2014·13 cites·11 claims
- 0693US8334505B2Chemical ionization reaction or proton transfer reaction mass spectrometryROBINSON TIMOTHY ROGER·Filed 2008·Granted Dec 18, 2012·44 cites·6 claims
- 0793US7569790B2Method and apparatus for processing metal bearing gasesMKS INSTR INC·Filed 2005·Granted Aug 4, 2009·19 cites·6 claims
- 0892US8779322B2Method and apparatus for processing metal bearing gasesHOLBER WILLIAM M·Filed 2011·Granted Jul 15, 2014·19 cites·10 claims
- 0992US6948508B2Apparatus and method for self-calibration of mass flow controllerMKS INSTR INC·Filed 2002·Granted Sep 27, 2005·56 cites·54 claims
- 1088US8124906B2Method and apparatus for processing metal bearing gasesHOLBER WILLIAM M·Filed 2009·Granted Feb 28, 2012·30 cites·19 claims
- 1185US8003936B2Chemical ionization reaction or proton transfer reaction mass spectrometry with a time-of-flight mass spectrometerMKS INSTR INC·Filed 2007·Granted Aug 23, 2011·9 cites·26 claims
- 1278US4887034AMethods and apparatus for detecting certain compoundsNAT RES DEV·Filed 1988·Granted Dec 12, 1989·36 cites·18 claims
- 1374US12023614B2Portable air filter cleaning devices and methods of useSMITH JOHN ALBERT·Filed 2023·Granted Jul 2, 2024·0 cites·17 claims
- 1473US7621290B2Gas delivery method and system including a flow ratio controller using antisymmetric optimal controlMKS INSTR INC·Filed 2005·Granted Nov 24, 2009·10 cites·15 claims
- 1573US6172009B1Controlled conversion of metal oxyfluorides into superconducting oxidesMASSACHUSETTS INST TECHNOLOGY·Filed 1999·Granted Jan 9, 2001·38 cites·24 claims
- 1668US6857323B1Two phase flow sensor using tomography techniquesMKS INSTR INC·Filed 2003·Granted Feb 22, 2005·14 cites·26 claims
- 1762US11541339B2Portable air filter cleaning devices and methods of useSMITH JOHN ALBERT·Filed 2019·Granted Jan 3, 2023·0 cites·15 claims
- 1861US5500591AMethods and apparatus for detecting substances containing nuclei of a first and second kindBRITISH TECH GROUP·Filed 1992·Granted Mar 19, 1996·22 cites·20 claims
- 1959US6610428B2Controlled conversion of metal oxyfluorides into superconducting oxidesMASSACHUSETTS INST TECHNOLOGY·Filed 2002·Granted Aug 26, 2003·15 cites·11 claims
- 2056US6813943B2Method and apparatus for conditioning a gas flow to improve a rate of pressure change measurementMKS INSTR INC·Filed 2003·Granted Nov 9, 2004·10 cites·20 claims
- 2149US4115106AMethod for producing metallic oxide compoundsNAT STANDARD CO·Filed 1976·Granted Sep 19, 1978·12 cites·18 claims
- 2242US2005233279A1Oral composition applicator devices including movable applicator surface and related methodsZEH MARK A·Filed 2004·Application pending·0 cites
- 2342US2005232686A1Oral composition applicator devices including cap-actuated dispensing and related methodsZEH MARK A·Filed 2004·Application pending·0 cites
- 2442US2005232683A1Oral composition applicator devices including piercing section and related methodsZEH MARK A·Filed 2004·Application pending·0 cites
- 2542US2005232687A1Composition applicator devices including twist off closure member and related methodsZEH MARK A·Filed 2004·Application pending·0 cites
- 2640US2011011141A1Method for treatment of oil and/or gas field waste and by product materialsENVIRENEER R & D LTD·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →