JENTEK SENSORS, INC.

Marlborough, MA · Aerospace · Private

Advanced eddy current array sensor system with model-based data analytics for non-destructive evaluation of aircraft structural cracks

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Updated Oct 23, 2026 · jenteksensors.com

Sector: Aerospace
Headquarters: Marlborough, MA
Total capital: $46.3M

Federal grants: $6.3M; 10 awards · 2015–2026; Rank in peer group#62 of 155
Private capital raised: None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts: $40.1M; 80 awards · Defense, Transportation, NASA; Rank in Aerospace#95 of 1335
Granted patents: 30; 10 pending · first 2015; Rank in peer group#4 of 155

Capital timeline

Latest events

Sep 2026Federal grantNASA · Phase I · SBIR Phase I In-situ And Post Process Nondestructive Inspection (ndi) For Space-based And Lunar Laser Welding$225K
Sep 2023Federal contractDefense · Research And Development SBIR Phase II$1.9M
Apr 2022Federal grantDefense · Phase II · Field Inspection ET-Array System for Aircraft Structures$1.5M
Sep 2021Federal contractDefense · SBIR Phase II R&d$1.7M
Aug 2021Federal contractTransportation · SBIR Phase II Award To Jentek Sensors Under Topic 20-PH1.$985K
May 2021Federal contractDefense · SBIR Phase II.5 R&d For Osd$5.5M
Jul 2020Federal contractTransportation · SBIR PH1 On Topic 20-PH1 For Inline Inspection Technologies R&d$150K

Show 83 earlier federal awards

Jan 2020Federal contractDefense · Jet A+ Handheld System$38K
Jul 2019Federal grantDefense · Phase II · ET-Arrays for NDT of Challenging Bolt Holes$1.5M
Mar 2019Federal contractDefense · Repair Of Jentek Sensors$5K
Apr 2018Federal grantDefense · Phase II · Enhanced Eddy Current Nondestructive Inspection Capability for Corrosion and Crack Detection of Aerospace Structures$760K
Apr 2018Federal contractDefense · Research And Development Igf::ot::igf$1.5M
Jan 2018Federal contractDefense · R&d- Defense System: Miscellaneous Hard Goods (commercialized)$1.2M
Nov 2017Federal contractDefense · SBIR Phase II For Topic A16-012$1.7M
Jul 2017Federal contractDefense · Handheld Jet A-test System$34K
Jun 2017Federal grantDefense · Phase II · Multimodal nondestructive evaluation of internal surfaces of holes in steel structures$1.5M
Dec 2016Federal contractDefense · Igf::ot::igf Repair Of Gridstation System$4K
Dec 2016Federal grantDefense · Phase I · High Confidence, Rapid Alloy Identification$146K
Sep 2016Federal contractDefense · Igf::ot::igf On-site Diagnostic Review&lmtd Repair$12K
Sep 2016Federal contractDefense · Igf::ot::igf - Magnetoresistive-arrays For Low Frequency Eddy Current Imaging Of Buried Corrosion$785K
Aug 2016Federal grantDefense · Phase I · Multi-Modal Hole Inspection Using Eddy Current Arrays and Surface Topology Imaging$149K
Jun 2016Federal grantNASA · Phase I · Through-Thickness Health Monitoring of Thermal Protection Systems$121K
Aug 2015Federal grantDefense · Phase I · Low Cost Rapid MWM-Array Inspection for Airfoil Sustainment$150K
Jun 2015Federal contractNASA · Igf::ot::igf:: Quality Testing Magnetic Composite Material$138K
Jun 2015Federal grantDefense · Phase I · Magnetoresistive-Arrays for Low Frequency Eddy Current Imaging of Buried Corrosion$150K
May 2015Federal contractTransportation · Igf::ot::igf SBIR Phase II, 13.2-PH1, Entitled,"pipeline Integrity Assessment Using In-line Inspection"$1.0M
Jul 2014Federal contractDefense · Igf::ot::igf SBIR Phase II- Topic: AF121-214 - Wireless Eddy Current Testing Instrument$750K
Jun 2014Federal contractDefense · Mwm-array Scanning System Lease$61K
Jun 2014Federal contractNASA · Igf::ot::igf This Program Addresses The Need For Interfacial And In-depth Temperature Monitoring Of Thermal Protection Systems (tps). Novel, Linear Drive, Eddy Current Methods Are Proposed That Incorporate Innovative Sensor Array Constructs, Physics-based Models, And Multivariate Inverse Methods To Nondestructively Assess Temperatures For Carbon-based Tps Materials Such As Felts And Pica. The Sensors Can Be Mounted Behind The Tps Material Or Embedded Within The Tps With Sensing Fields That Are P$122K
Jun 2014Federal contractNASA · Igf::ot::igf An Ideal Nde Data Acquisition And Analysis Tool Would Be A Versatile And Precise Device Capable Of Providing Support For A Large Number Of Inspections Using Numerous Inspection Methods Such As Jentek's Meandering Winding Magnetometer (mwm) Inspection, Standard Eddy Current Testing (et), Ultrasonic Testing (ut), And Other Digitized Ndt Methodologies. Such A "super" Instrument Could Address Nasa's Need For Improved Nondestructive Evaluation (nde) Of Complex Built Up Structural Compone$125K
Apr 2014Federal contractNASA · Igf::ot::igf This Program Addresses The Need For Non-destructive Evaluation (nde) Methods For Quality Assessment And Defect Evaluation Of Thermal Protection Systems (tps). Novel Linear Drive Eddy Current Methods Are Proposed For Nde Of Carbon-based Tps Materials, Such As Felts, Rigid Materials, And Three Dimensional Woven Fiber Composites. Using A Combination Of Physics-based Models Of Layered Media, Including An Eddy Current Micromechanical Model Extension For Composites, Multivariate Inverse M$750K
Feb 2014Federal contractTransportation · Igf::ot::igf 13.2-PH1-002 Jentek Sensors Inc., Project Title, Structured Waveform, Magnetic Field (swmf) Pig Development For Cracks And Corrosion$150K
Jan 2014Federal contractNASA · Igf::ot::igf Quality Testing Magnetic Composite Material$145K
Nov 2013Federal contractDefense · SBIR P2.5 Topic N07-168$1.8M
May 2013Federal contractNASA · Igf::ot::igf This Program Addresses The Need For Non-destructive Evaluation (nde) Methods For Quality Assessment And Defect Evaluation Of Thermal Protection Systems (tps), Including Permanently Installed Sensors For Tps Condition, Stress And Temperature Monitoring. Novel Linear Drive Eddy Current Methods Are Proposed For Nde Of Carbon-based Tps Materials, Such As Three Dimensional Woven Fiber Composites And Felts. Using A Combination Of Physics-based Models, Multivariate Inverse Methods, High R$125K
Apr 2013Federal contractDefense · Igf::ot::igf SBIR Landing Gear Fatigue Damage Detection$737K
Dec 2012Federal contractNASA · Igf::ot::igf - Stress Rupture Is A Sudden And Catastrophic Failure Of The Overwrap Of A Pressure Vessel While Holding At A Stress Level Below The Ultimate Strength For An Extended Time. Currently There Is No Simple Method Of Determining The Stress Rupture Life Of Either A Composite Overwrapped Pressure Vessel (copv) Or Providing A Screening Technique To Determine If A Particular Copv Is Close To The Time Of A Stress Rupture Failure. A Key Factor For Stress Reliability Modeling Of Copvs Is The $135K
Aug 2012Federal contractDefense · Mux Units$140K
Aug 2012Federal contractDefense · Gridstation Durable System$65K
Jul 2012Federal contractNASA · On Site Demand Training For Jentek's Gridstation And Mwm Array.$8K
Jul 2012Federal contractDefense · Phase II SBIR Award$750K
Jun 2012Federal contractDefense · SBIR Phase I Award$150K
Mar 2012Federal contractDefense · Landing Gear Fatigue Dmage Detection And Tracking$150K
Mar 2012Federal contractNASA · Igf::ot::igf Other Functions. Health Monitoring Of Compsite Overwrapped Pressure Vessels$140K
Jan 2012Federal contractDefense · 7-CHANNEL Beta Test Grid Station$64K
Dec 2011Federal contractDefense · Single Channel Probe$16K
Oct 2011Federal contractDefense · Research And Development SBIR Ph I Topic N112-087$80K
Sep 2011Federal contractDefense · SBIR Phase I Topic N112-120$80K
Jul 2011Federal contractDefense · Characterization Of Multi-layer Coatings$1.5M
Jul 2011Federal contractTransportation · Phmsa SBIR Phase I, 11.1-PH2-002 Jentek Sensors Inc.$145K
Jun 2011Federal contractDefense · Mvm-array Inspection Of Hvof Coated Landing Gear Components$742K
Apr 2011Federal contractDefense · Phase II, Topic SB091-011, Jentek Sensor$1.5M
Mar 2011Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences (except Biotechnology)$80K
Feb 2011Federal contractNASA · Damage Caused By Composite Overwrapped Pressure Vessels (copvs) Failure Can Be Catastrophic. Thus, Monitoring Condition And Stress In The Composite Overwrap, Including The Fiber Layers Most Prone To Failure Is Needed During Both Preflight Qualification And Spaceflight. We Will Develop Practical Non-destructive Evaluation (nde) Capability For Use During Spaceflight And Surface Mounted Magnetic Stress Gages (msgs) For Preflight Qualifications/testing And In-flight Monitoring. Nde Will Address Dama$99K
Jan 2011Federal contractDefense · Other Aircraft Part And Auxiliary Equipment Manufacturing$100K
Oct 2010Federal contractDefense · R&d Topic N102-136$80K
Sep 2010Federal contractDefense · SBIR Ph Ii-cost Plus Fixed Fee$710K
Sep 2010Federal contractDefense · R&d Under SBIR Topic N102-141$80K
Sep 2010Federal contractDefense · Phase II, Topic AF083-246, Jentek Sensor$740K
Jun 2010Federal contractDefense · Request Non-personal Services For A One-$7K
Jun 2010Federal contractDefense · SBIR Phase I Contract.$100K
May 2010Federal contractNASA · Carbon Wrapped Composite Overwrapped Pressure Vessels(copv) Health Monitoring Study.$50K
Apr 2010Federal contractNASA · Sensor Upgrade Of Government Owned Mwm System$13K
Mar 2010Federal contractDefense · Grid With Properties$5K
Dec 2009Federal contractDefense · Characterization Of Multilayer Coatings Using Shaped Field Electromagnetic Sensor Arrays$100K
Dec 2009Federal contractNASA · Modern Aircraft (and Next Generation Spacecraft) Increasingly Rely On Composite Components Due To Their Excellent Specific Strength And Stiffness, As Well As Improvements In Costs And Manufacturing Quality. However, Life Management For Composites Is In Its Infancy Compared To Life Management For Metal Structures. Limitations In The Ability Of Standard Nondestructive Evaluation (nde) Methods To Observe Manufacturing Quality And In-service Damage Evolution Of Composite Structures May Prevent Desig$740K
Nov 2009Federal contractDefense · Research And Development$993K
Nov 2009Federal contractDefense · R&d Phase II SBIR Topic #N07-177$499K
Oct 2009Federal contractDefense · Final Report And Project Summary$120K
Aug 2009Federal contractTransportation · Phmsa SBIR Phase I Recommendation 091-PH1-018 Jentek Sensors Inc.$100K
Aug 2009Federal contractDefense · Darpa SBIR Phase I$99K
Apr 2009Federal contractDefense · SBIR Phase 1, AF083-246, Jentek$100K
Mar 2009Federal contractDefense · SBIR P2$1.0M
Mar 2009Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences (except Biotechnology)$150K
Jan 2009Federal contractNASA · Micromechanical Models For Composite Nde And Diagnostics Modern Aircraft Increasingly Rely On Composite Components, Due To Their Excellent Material Properties. However, Fastening/joining And Design Methodologies In Current Use Are Artifacts Of Metallic Aircraft Component Use And Are Not Yet Optimized For Use With Composites. Furthermore, Limitations In Our Current Ability To Observe Manufacturing Quality And In-service Damage Evolution Of Composite Structures May Prevent Designers From Realizin$100K
Dec 2008Federal contractDefense · Research And Development In The Physical, Engineering, And Life Sciences (except Biotechnology)$100K
Sep 2008Federal contractDefense · SBIR Phase I$70K
Aug 2008Federal contractDefense · Jentek Sensors, SBIR Ph II$1.2M
Jul 2008Federal contractDefense · SBIR Phase III Topic N04-256$220K
May 2008Federal contractDefense · Hybrid Nde Methods For Linear Friction Weld Characterization$100K
Feb 2008Federal contractDefense · Base 7-CHANNEL Beta Test Gridstation$94K
Jan 2008Federal contractDefense · R&d SBIR Topic N06-020$1.1M
Jan 2008Federal contractDefense · Final Report$150K
Dec 2007Federal contractDefense · SBIR Phase I Topic N07-169$150K
Dec 2007Federal contractDefense · Phase I SBIR Topic N07-177$150K
Oct 2007Federal contractDefense · SBIR Phase I Effort$120K
Dec 2006Federal contractTransportation · Phmsa SBIR Phase I$100K
May 2006Federal contractDefense · 200608!424858!1700!N68335!NAVAL Air Engineering Station !N6833506C0308 !a!n! !y! ! !20060516!20070516!858400716!858400716!858400716!N!JENTEK Sensors, Inc !110-1 Clematis Avenue !waltham !MA!02453!72600!017!25!WALTHAM !middlesex !mass !+000000374983!N!N!000000749962!AC62!RDTE/ELECTRONICS & Communication Eq-applied Resea !A7 !electronics And Communication Equip !000 !not Discernable !541720!E! !3! ! ! ! ! !999$1.0M
Apr 2006Federal contractDefense$1.5M
Mar 2006Federal contractDefense · 200606!358652!1700!N68335!NAVAL Air Engineering Station !N6833506C0145 !a!n! !y! ! !20060327!20070327!858400716!858400716!858400716!N!JENTEK Sensors, Inc !110-1 Clematis Avenue !waltham !MA!02453!49655!017!25!NORTH Waltham !middlesex !mass !+000000249892!N!N!000000749722!AC62!RDTE/ELECTRONICS & Communication Eq-applied Resea !A7 !electronics And Communication Equip !000 !not Discernable !541710!E! !3! ! ! ! ! !999$750K

Federal awards are summed by year (90 awards); hover a bar for the split. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.

Standing among 155 peers

Line = median

Aerospace · Device

Federal grants#62 · top 40%
Granted patents#4 · top 3%
Linked publications#18 · top 12%

Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.

Founders and team

No founders are linked to this company yet.

Founders appear once a person is matched to the company through its own patents, grants or filings. We never infer people from social profiles.

Checked: USPTO inventors; federal award principal investigators; SEC Form D related persons · Oct 23, 2026

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What it has protected

USPTO · 30 granted of 40

May 12, 2026GrantedComplex Part Inspection With Eddy Current SensorsUSPTOUS 12,625,110
Nov 4, 2025GrantedSystem And Method For Hole Inspection And QualificationUSPTOUS 12,461,068
Jul 15, 2025GrantedMeasurement System And Method Of UseUSPTOUS 12,359,945

Show all 40 patent records

Complex Part Inspection With Eddy Current SensorsMay 12, 2026 · US 12,625,110Granted
System And Method For Hole Inspection And QualificationNov 4, 2025 · US 12,461,068Granted
Measurement System And Method Of UseJul 15, 2025 · US 12,359,945Granted
In-Process Quality Assessment for Additive ManufacturingJul 10, 2025 · Application 19081248Pending
Remote Current SenseJul 3, 2025 · Application 18850599Pending
System And Method For Pit Detection And SizingJun 17, 2025 · US 12,332,201Granted
In-Process Quality Assessment for Additive ManufacturingMar 18, 2025 · US 12,253,492Granted
System And Method For Hole InspectionFeb 6, 2025 · Application 18801913Pending
Scanning System and Method for Axial Symmetric Test ObjectsNov 14, 2024 · Application 18661553Pending
System And Method For Hole InspectionAug 13, 2024 · US 12,061,169Granted
Method and Apparatus for Measurement of Material ConditionApr 16, 2024 · US 11,959,880Granted
Measurement System And Method Of UseDec 12, 2023 · US 11,841,245Granted
Segmented Field Eddy Current Sensing For Dispersive Property Measurement And Complex StructuresOct 31, 2023 · US 11,802,851Granted
In-Process Quality Assessment for Additive ManufacturingSep 5, 2023 · US 11,747,304Granted
Measurement System And Method Of UseJan 10, 2023 · US 11,549,831Granted
In-Process Quality Assessment for Additive ManufacturingJan 3, 2023 · US 11,543,388Granted
Complex Part Inspection With Eddy Current SensorsSep 6, 2022 · US 11,435,317Granted
Segmented Field Eddy Current Sensing for Dispersive Property Measurement and Complex StructuresMar 8, 2022 · US 11,268,931Granted
In-Process Quality Assessment for Additive ManufacturingMar 8, 2022 · US 11,268,933Granted
Method and Apparatus for Measurement of Material ConditionAug 17, 2021 · US 11,092,571Granted
Method And Apparatus For Inspection Of Corrosion And Other Defects Through InsulationAug 4, 2020 · US 10,732,096Granted
Integrated Sensor Cartridge System And Method Of UseJun 9, 2020 · US 10,677,756Granted
Method And Apparatus For Non-destructive Evaluation Of MaterialsOct 15, 2019 · US 10,444,189Granted
Measurement System And Method Of UseSep 17, 2019 · US 10,416,118Granted
Portable Test InstrumentAug 27, 2019 · US D,857,534Granted
Method and Apparatus for Measurement of Material ConditionJun 18, 2019 · US 10,324,062Granted
Portable Test Instrument AttachmentMar 12, 2019 · US D,842,725Granted
Portable Test InstrumentOct 16, 2018 · US D,830,863Granted
In Situ Additive Manufacturing Process Sensing And Control Including Post Process NdtSep 20, 2018 · Application 15922889Pending
Method And Apparatus For Inspection Of Corrosion And Other Defects Through InsulationNov 21, 2017 · US 9,823,179Granted
Method and Apparatus for Non-Destructive Evaluation of MaterialsSep 26, 2017 · US 9,772,309Granted
Durability Enhanced And Redundant Embedded SensorsMar 8, 2016 · US 9,279,784Granted
Method And Apparatus For Inspection Of Corrosion And Other Defects Through InsulationFeb 9, 2016 · US 9,255,875Granted
Method And Apparatus For Load And Additional Property MeasurementDec 8, 2015 · US 9,207,131Granted
Internal Material Condition Monitoring For ControlJun 11, 2015 · Application 14626415Pending
Method And Apparatus For Detection And Characterization Of Mechanical DamageFeb 24, 2015 · US 8,960,012Granted
Inspection Apparatus And MethodApplication 62168443Pending
Method And Apparatus For Measurement Of Material ConditionApplication PCTUS2014061825Pending
Magnetoquasistatic Sensors For Rapid Imaging Of Steel Pipeline PropertiesApplication 62009771Pending
Magnetoquasistatic Sensor for Rapid Imaging of Material PropertiesApplication 61894191Pending

Recent research by its founders

MWM-Array and MR-MWM-Array Eddy Current Testing for Piping and Vessels20190 cites
PR-392-113701-R01 Improved Crack Depth Measurement Techniques20180 cites
Hand-Held, Wireless (or Ethernet) Eddy Current Array System for Rapid Inspection20160 cites

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Regulatory activity · Aerospace

Sector-level, not company-level

06 Jul 2026Nondiscrimination in Federally Assisted Programs of NASA-Effectuation of Title VI of the Civil Rights Act of 1964National Aeronautics and Space Administration
01 Jul 2026Special Conditions: AMAC Aerospace, The Boeing Company Model 747- 8 Airplane; Side-Facing SeatsFederal Aviation Administration
26 Jun 2026Standard Instrument Approach Procedures, and Takeoff Minimums and Obstacle Departure Procedures; Miscellaneous AmendmentsFederal Aviation Administration
23 Jun 2026Operating Limitations at John F. Kennedy International AirportFederal Aviation Administration
23 Jun 2026Operating Limitations at New York LaGuardia AirportFederal Aviation Administration
18 Jun 2026Special Conditions: Honeywell Aerospace US LLC, Dassault Aviation Model Falcon 900EX Airplane; Electronic System Security Protection From Unauthorized External AccessFederal Aviation Administration

Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.

Sources

Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.

How to read this page

Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.

Data freshness

SEC Form D filings through Oct 23, 2026. SBIR and STTR awards through Oct 21, 2026.