En'urga Inc.

West Lafayette, IN · Aerospace · Private

Mid-infrared hyperspectral imager for rocket propulsion diagnostics

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Updated Oct 23, 2026

Sector: Aerospace
Headquarters: West Lafayette, IN
Total capital: $3.1M

Federal grants: $1.9M; 7 awards · 2013–2026; Rank in peer group#9 of 13
Private capital raised: None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts: $1.2M; 8 awards · Defense, Transportation, NASA; Rank in Aerospace#553 of 1335
Granted patents: 4; 1 pending · first 2016; Rank in peer group#1 of 13

Capital timeline

Latest events

Sep 2026Federal grantNASA · Phase I · SBIR Phase I - High Frequency Duel Tmr Sensor Diagnostics For Eap Motors$225K
May 2022Federal grantNASA · Phase II · High Speed Emission Tomography for Ground Test Facilities$800K
May 2021Federal contractNASA · Enurga Inc. Will Evaluate The Feasibility Of Utilizing Mid-infrared Hyperspectral Imaging As A Diagnostic For Ground Test Facilities That Have High Temperature Turbulent Flows Such As Exhaust Plumes From Rockets And Advanced Propulsion Systems$125K
Aug 2019Federal grantNASA · Phase I · Planar Chemiluminescence Absorption Tomography$125K
Aug 2019Federal grantNASA · Phase I · A Modular Sensor Suite for Propulsion Testing$125K
Jun 2018Federal contractDefense · Chilled Brine Separation$150K
Sep 2014Federal grantAgriculture · A Particulate Mass Flux Sensor For The Food Process Industry$450K

Show 8 earlier federal awards

Jul 2014Federal contractTransportation · Igf::ot::igf Fra SBIR Phase I, 14.1-FR1-011 En'urga Inc., Project Titled, " A Low Cost Sensor For Mid-chord Offset Measurements"$146K
Jun 2014Federal grantAgriculture · A Low-cost Quantitative Anemia Detection Method For Livestock$100K
Jul 2013Federal grantAgriculture · A Particulate Mass Flux Sensor For The Food Process Industry$100K
Jun 2012Federal contractDefense · SBIR I Enurga$150K
Feb 2012Federal contractNASA · Flow Rate Measurements For Cryogenic Propellants Are Required For Spacecraft And Space Exploration Systems. Such A Requirement Has Been Hampered By Lack Of Fast And Accurate Instruments Among Existing Technologies. This Proposed Project Will Develop A Mass Flow Measurement System For Non-conducting Cryogenic Propellant Flow To Meet The Nasa's Need. In The Proposed System, An Electromagnetic Flowmeter For Insulating Fluids (emfif) Will Be Able To Provide Real-time Liquid Velocity Information Unde$125K
Sep 2010Federal contractTransportation · Fra SBIR Phase II, En'urga Inc. 081-FR2-006$300K
Mar 2009Federal contractTransportation · Fra SBIR Phase I 081-FR2-006 En'urga Inc.$100K
Jul 2008Federal contractDefense · SBIR 1$100K

Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.

Standing among 13 peers

Line = median

Aerospace · Launch · Instrument

Federal grantsBelow median
Granted patents#1 · top 8%
Linked publications#1 · top 8%

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 · 4 granted of 5

Apr 11, 2023GrantedSystem For Estimating Planar Drop SizesUSPTOUS 11,624,693
Jul 14, 2020GrantedSystem For Estimating Planar Drop SizesUSPTOUS 10,712,251
May 30, 2017GrantedMethod and Apparatus for Measuring Rail Surface TemperatureUSPTOUS 9,664,567

Show all 5 patent records

System For Estimating Planar Drop SizesApr 11, 2023 · US 11,624,693Granted
System For Estimating Planar Drop SizesJul 14, 2020 · US 10,712,251Granted
Method and Apparatus for Measuring Rail Surface TemperatureMay 30, 2017 · US 9,664,567Granted
Method For Characterizing Flame And Spray Structures In Windowless ChambersOct 4, 2016 · US 9,459,216Granted
A Method And A Mobile App For Use With A Mobile Device To Accurately Quantify Blood Hemoglobin In MammalsApplication PCTUS2015052748Pending

Recent research by its founders

Estimation of spray angles in windshield wiper nozzles20210 cites
Estimating velocity in Gasoline Direct Injection sprays using statistical pattern imaging velocimetry20184 cites
A method for measuring planar Sauter mean diameter of multi-component fuel spray based on the combined statistical extinction tomography and particle imaging velocimetry201721 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.