Inventor · disambiguated record
Sondra Hellstrom
Also filed as: HELLSTROM SONDRA · HELLSTROM SONDRA L
33 granted patents·12 pending applications·30 citations·filing 2010–2025
93Inventor score
Top patents by PatentIndex Score
45 records- 0197US10988391B2Desalination electrodeBOSCH GMBH ROBERT·Filed 2018·Granted Apr 27, 2021·17 cites·20 claims
- 0287US10950889B2ElectrolyteBOSCH GMBH ROBERT·Filed 2017·Granted Mar 16, 2021·2 cites·10 claims
- 0382US11958061B2Electrostatic charging air cleaning device and collection electrodeBOSCH GMBH ROBERT·Filed 2022·Granted Apr 16, 2024·0 cites·14 claims
- 0481US11527754B2Solid composite electrode with coated materialsBOSCH GMBH ROBERT·Filed 2018·Granted Dec 13, 2022·1 cites·3 claims
- 0581US2024294408A1Desalination deviceBOSCH GMBH ROBERT·Filed 2024·Application pending·0 cites
- 0678US12234164B2Electrodialysis deionization battery cellsBOSCH GMBH ROBERT·Filed 2023·Granted Feb 25, 2025·0 cites·20 claims
- 0778US2023365443A1Desalination methods in desalination electrodesBOSCH GMBH ROBERT·Filed 2023·Application pending·0 cites
- 0877US8513804B2Nanotube-based electrodesHELLSTROM SONDRA·Filed 2010·Granted Aug 20, 2013·6 cites·17 claims
- 0972US11597663B2Electrochemical water cleaning deviceBOSCH GMBH ROBERT·Filed 2019·Granted Mar 7, 2023·0 cites·15 claims
- 1072US9212960B2Nanostructures with strain-induced resistanceUNIV LELAND STANFORD JUNIOR·Filed 2013·Granted Dec 15, 2015·4 cites·26 claims
- 1172US2025178934A1Cascading, recirculating water deionization systemsBOSCH GMBH ROBERT·Filed 2025·Application pending·0 cites
- 1271US12381287B2Water softening intercalation materialsBOSCH GMBH ROBERT·Filed 2021·Granted Aug 5, 2025·0 cites·16 claims
- 1370US11205783B2Fuel cell bipolar plate including corrosion-resistant ferric oxide layerBOSCH GMBH ROBERT·Filed 2019·Granted Dec 21, 2021·0 cites·19 claims
- 1469US11404703B2Conductive, anti-corrosive materialBOSCH GMBH ROBERT·Filed 2019·Granted Aug 2, 2022·0 cites·20 claims
- 1568US2023067116A1Cascading, recirculating water deionization systemsBOSCH GMBH ROBERT·Filed 2021·Application pending·0 cites
- 1668US2020399149A1Desalination deviceBOSCH GMBH ROBERT·Filed 2019·Application pending·0 cites
- 1767US12334566B2Coated fuel cell catalyst materialsBOSCH GMBH ROBERT·Filed 2021·Granted Jun 17, 2025·0 cites·20 claims
- 1867US11524304B2Electrostatic charging air cleaning device and collection electrodeBOSCH GMBH ROBERT·Filed 2018·Granted Dec 13, 2022·0 cites·12 claims
- 1965US12503380B2Electrochemical water deionization separatorsBOSCH GMBH ROBERT·Filed 2021·Granted Dec 23, 2025·0 cites·8 claims
- 2065US11515555B2Reversible shunts for overcharge protection in polymer electrolyte membrane fuel cellsBOSCH GMBH ROBERT·Filed 2020·Granted Nov 29, 2022·0 cites·25 claims
- 2165US2022112102A1Desalination cell electrodes including prussian blue compoundsBOSCH GMBH ROBERT·Filed 2020·Application pending·0 cites
- 2263US11322748B2High-energy cathode material particles with oxy-fluoride surfaces for aqueous processingSEEO INC·Filed 2018·Granted May 3, 2022·0 cites·18 claims
- 2362US11834354B2Anion insertion electrode materials for desalination water cleaning deviceBOSCH GMBH ROBERT·Filed 2019·Granted Dec 5, 2023·0 cites·8 claims
- 2461US11355771B2Ion scavenging agent in fuel cell electrodesBOSCH GMBH ROBERT·Filed 2019·Granted Jun 7, 2022·0 cites·20 claims
- 2561US11271251B2Battery cell with anode protective layerBOSCH GMBH ROBERT·Filed 2018·Granted Mar 8, 2022·0 cites·19 claims
- 2661US10804565B2Batteries with polymer electrolyte composites based on tetrahedral arylborate nodesBOSCH GMBH ROBERT·Filed 2018·Granted Oct 13, 2020·0 cites·20 claims
- 2760US12330973B2On-demand water treatment systemBOSCH GMBH ROBERT·Filed 2021·Granted Jun 17, 2025·0 cites·12 claims
- 2860US12330966B2Deionization system with heat managementBOSCH GMBH ROBERT·Filed 2021·Granted Jun 17, 2025·0 cites·20 claims
- 2960US12172908B2Water deionization cells with flow channels packed with intercalation materialBOSCH GMBH ROBERT·Filed 2021·Granted Dec 24, 2024·0 cites·13 claims
- 3060US11884561B2Conversion materials for electrochemical removal of chloride-containing salts from waterBOSCH GMBH ROBERT·Filed 2019·Granted Jan 30, 2024·0 cites·20 claims
- 3160US10892492B2Metal oxide cathodeBOSCH GMBH ROBERT·Filed 2016·Granted Jan 12, 2021·0 cites·12 claims
- 3259US11597661B2Intercalation-based materials and processes for softening waterBOSCH GMBH ROBERT·Filed 2019·Granted Mar 7, 2023·0 cites·15 claims
- 3357US12151958B2Desalination device electrode activationBOSCH GMBH ROBERT·Filed 2019·Granted Nov 26, 2024·0 cites·11 claims
- 3457US11444292B2Anticorrosive and conductive materialBOSCH GMBH ROBERT·Filed 2018·Granted Sep 13, 2022·0 cites·16 claims
- 3556US11884560B2Conversion materials for electrochemical water softeningBOSCH GMBH ROBERT·Filed 2019·Granted Jan 30, 2024·0 cites·6 claims
- 3655US12195366B2Water deionization cellsBOSCH GMBH ROBERT·Filed 2021·Granted Jan 14, 2025·0 cites·20 claims
- 3755US2023059547A1Water softening intercalation systemsBOSCH GMBH ROBERT·Filed 2021·Application pending·0 cites
- 3850US11820681B2Voltage-controlled anion exchange membrane enabling selective ion affinities for water desalination and device containing the sameBOSCH GMBH ROBERT·Filed 2019·Granted Nov 21, 2023·0 cites·10 claims
- 3950US2013330559A1Doping of carbon-based structures for electrodesUNIV LELAND STANFORD JUNIOR·Filed 2013·Application pending·0 cites
- 4046US11268711B2Electrostatic charging air cleaning deviceBOSCH GMBH ROBERT·Filed 2018·Granted Mar 8, 2022·0 cites·20 claims
- 4146US2019036158A1Battery having a single-ion conducting layerBOSCH GMBH ROBERT·Filed 2018·Application pending·0 cites
- 4245US11456481B2Ceramic-polymer composite single ion conducting thin film electrolyteBOSCH GMBH ROBERT·Filed 2018·Granted Sep 27, 2022·0 cites·13 claims
- 4345US2018159182A1Linker-functionalized cathodes for solid state batteriesBOSCH GMBH ROBERT·Filed 2017·Application pending·0 cites
- 4444US2018083315A1Coated Cathode Active Material for Engineered Solid-State Battery InterfacesBOSCH GMBH ROBERT·Filed 2017·Application pending·0 cites
- 4539US2019305289A1Battery With a Stabilized Cathode Active MaterialBOSCH GMBH ROBERT·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →