Inventor · disambiguated record
John S. Lettow
Also filed as: LETTOW JOHN · LETTOW JOHN S
53 granted patents·24 pending applications·535 citations·filing 1996–2025
98Inventor score
Top patents by PatentIndex Score
77 records- 0198US8034164B2Methods and apparatus for improved control of PSA flow variationsLUMMUS TECHNOLOGY INC·Filed 2008·Granted Oct 11, 2011·74 cites·43 claims
- 0298US7641716B2Methods and apparatus for improved control of PSA flow variationsH2GEN INNOVATIONS INC·Filed 2006·Granted Jan 5, 2010·67 cites·34 claims
- 0397US8697485B2Printed electronicsCRAIN JOHN M·Filed 2012·Granted Apr 15, 2014·36 cites·20 claims
- 0497US8278757B2Printed electronicsCRAIN JOHN M·Filed 2009·Granted Oct 2, 2012·65 cites·25 claims
- 0595US9039938B2Coatings containing functionalized graphene sheets and articles coated therewithCRAIN JOHN M·Filed 2009·Granted May 26, 2015·18 cites·25 claims
- 0694US10082830B2Wearable electronic devicesVORBECK MATERIALS CORP·Filed 2015·Granted Sep 25, 2018·11 cites·10 claims
- 0793US9518188B2Method of printing a conductive article and articles made therebyLETTOW JOHN S·Filed 2011·Granted Dec 13, 2016·14 cites·20 claims
- 0893US8449959B2Reinforced polymeric articlesAKSAY ILHAN A·Filed 2011·Granted May 28, 2013·29 cites·34 claims
- 0993US6918953B2Modular pressure swing adsorption process and apparatusH2GEN INNOVATIONS INC·Filed 2003·Granted Jul 19, 2005·98 cites·25 claims
- 1091US11722592B2Wearable antenna systemVORBECK MATERIALS CORP·Filed 2022·Granted Aug 8, 2023·4 cites·17 claims
- 1187US9913374B2Printed electronicsUNIV PRINCETON·Filed 2016·Granted Mar 6, 2018·1 cites·18 claims
- 1287US9894944B2Personal thermal management systemVORBECK MAT·Filed 2015·Granted Feb 20, 2018·12 cites·20 claims
- 1386US10321593B1Interconnect deviceVORBECK MATERIALS CORP·Filed 2017·Granted Jun 11, 2019·4 cites·16 claims
- 1485US10379576B1Wearable electronic devicesVORBECK MATERIALS CORP·Filed 2018·Granted Aug 13, 2019·3 cites·20 claims
- 1585US6805729B2System and method for handling fluid using a manifoldH2GEN INNOVATIONS INC·Filed 2002·Granted Oct 19, 2004·44 cites·44 claims
- 1681US10244628B2Printed electronicsUNIV PRINCETON·Filed 2018·Granted Mar 26, 2019·3 cites·18 claims
- 1781US7017529B1Boiler system and method of controlling a boiler systemH2GEN INNOVATIONS INC·Filed 2005·Granted Mar 28, 2006·16 cites·35 claims
- 1878US12363799B2Wireless signal transmission using access point networks in wearable devicesVORBECK MATERIALS CORP·Filed 2023·Granted Jul 15, 2025·0 cites·7 claims
- 1976US12170739B2Wearable antenna systemVORBECK MATERIALS CORP·Filed 2023·Granted Dec 17, 2024·0 cites·19 claims
- 2076US9085667B2Reinforced polymeric articlesVORBECK MATERIALS CORP·Filed 2013·Granted Jul 21, 2015·1 cites·18 claims
- 2175US12289421B2Communications tarpaulinVORBECK MATERIALS CORP·Filed 2022·Granted Apr 29, 2025·0 cites·5 claims
- 2273US9625062B2Fuel system componentsCRAIN JOHN M·Filed 2009·Granted Apr 18, 2017·1 cites·19 claims
- 2373US2019194477A1Coatings containing functionalized graphene sheets and articles coated therewithTHE TRUSTEES OF PRINCETON UNIVERSTIY·Filed 2018·Application pending·0 cites
- 2472US8926935B2Compression processes for graphene sheetsKRISHNAIAH GAUTHAM·Filed 2010·Granted Jan 6, 2015·2 cites·18 claims
- 2572US7645440B2Catalyst for hydrogen generation through steam reforming of hydrocarbonsSUED CHEMIE INC·Filed 2006·Granted Jan 12, 2010·2 cites·39 claims
- 2672US2025231271A1System to determine the location of a radio frequency source using radio frequency signal strength and related methodsVORBECK MATERIALS CORP·Filed 2025·Application pending·0 cites
- 2769US10166811B1Security devicesVORBECK MATERIALS CORP·Filed 2018·Granted Jan 1, 2019·0 cites·10 claims
- 2869US7309480B2Catalyst for hydrogen generation through steam reforming of hydrocarbonsH2GEN INNOVATIONS INC·Filed 2004·Granted Dec 18, 2007·6 cites·26 claims
- 2968US12366630B2Sensor node communications system and related methodsVORBECK MATERIALS CORP·Filed 2022·Granted Jul 22, 2025·0 cites·15 claims
- 3068US12270927B2System to determine the location of a radio frequency source using radio frequency signal strength and related methodsVORBECK MATERIALS CORP·Filed 2022·Granted Apr 8, 2025·0 cites·20 claims
- 3167US9956806B1Security devicesVORBECK MATERIALS CORP·Filed 2017·Granted May 1, 2018·0 cites·18 claims
- 3267US9810350B1Fuel system componentsVORBECK MATERIALS CORP·Filed 2017·Granted Nov 7, 2017·1 cites·16 claims
- 3367US9811774B2Resilient radio-frequency tagVORBECK MATERIALS CORP·Filed 2016·Granted Nov 7, 2017·1 cites·20 claims
- 3467US9512290B2Reinforced polymeric articlesVORBECK MATERIALS CORP·Filed 2016·Granted Dec 6, 2016·0 cites·10 claims
- 3564US11818805B2Wireless signal transmission using access point networks in wearable devicesVORBECK MATERIALS CORP·Filed 2020·Granted Nov 14, 2023·0 cites·19 claims
- 3664US10270183B1Graphene-based rotman lensVORBECK MATERIALS CORP·Filed 2018·Granted Apr 23, 2019·1 cites·20 claims
- 3763US9447251B2Articles having a compositional gradient and methods for their manufactureLETTOW JOHN S·Filed 2009·Granted Sep 20, 2016·2 cites·18 claims
- 3862US12228378B2Wearable communications and ballistic protection systemVORBECK MATERIALS CORP·Filed 2022·Granted Feb 18, 2025·0 cites·20 claims
- 3962US9731540B2Security devicesLETTOW JOHN S·Filed 2011·Granted Aug 15, 2017·0 cites·15 claims
- 4062US7347978B2Electrically heated catalyst support plate and method for starting up water gas shift reactorsH2GEN INNOVATIONS INC·Filed 2003·Granted Mar 25, 2008·7 cites·22 claims
- 4162US2015218392A1Coatings containing functionalized graphene sheets and articles coated therewithTRUSTEES OF PRINCETON UNIVERSTIY·Filed 2015·Application pending·0 cites
- 4261US11289730B2Flexible batteriesVORBECK MAT·Filed 2013·Granted Mar 29, 2022·0 cites·18 claims
- 4360US10433444B2Interconnect deviceVORBECK MAT·Filed 2019·Granted Oct 1, 2019·0 cites·14 claims
- 4460US9926414B2Reinforced polymeric articlesVORBECK MAT CORPORATION·Filed 2016·Granted Mar 27, 2018·0 cites·16 claims
- 4560US2016299543A1Thermal management device systemsVORBECK MAT·Filed 2014·Application pending·0 cites
- 4659US10103446B2Graphene-based rotman lensVORBECK MATERIALS CORP·Filed 2016·Granted Oct 16, 2018·1 cites·20 claims
- 4758US7600489B2Heat exchanger having plural tubular arraysH2GEN INNOVATIONS INC·Filed 2004·Granted Oct 13, 2009·4 cites·40 claims
- 4857US9504150B2Printed electronicsUNIV PRINCETON·Filed 2015·Granted Nov 22, 2016·0 cites·17 claims
- 4957US9107312B2Printed electronicsUNIV PRINCETON·Filed 2014·Granted Aug 11, 2015·0 cites·20 claims
- 5057US7923409B2Catalyst for hydrogen generation through steam reforming of hydrocarbonsSUED CHEMIE INC·Filed 2007·Granted Apr 12, 2011·0 cites·25 claims
Showing the top 50 of 77 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →