VELONTRA INC

Cincinnati, OH · Founded 2021 · Defense · Private

Advanced aerospace manufacturing processes and technologies

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Updated Oct 23, 2026 · velontra.com

Sector: Defense
Headquarters: Cincinnati, OH
Founded: 2021
Latest Form D: $250K, Mar 2025
Total capital: $5.8M

Federal grants: $3.1M; 8 awards · 2022–2026; Rank in peer group#123 of 161
Private capital raised: $400K; 2 Form D · last Mar 2025; 19 months since last filing
Federal contracts: $2.3M; 6 awards · Defense; Rank in Defense#662 of 1442
Granted patents: None on recordNo USPTO grants. Applications publish after 18 months.

Capital timeline

Latest events

Jun 2026Federal grantDefense · Phase I · Feasibility Study For Very Small Turbojet Afterburner$110K
Jun 2026Federal contractDefense · Feasibility Study For Very Small Turbojet Afterburner$110K
Mar 2025Private capital raisedForm D · SEC · 2nd filing$250K
Jan 2025Federal grantDefense · Phase I · Feasibility Study Of Technology Transfer And Transition Of Afrl/rqt Responsive Open-source Engine (rose) For Cca And Munition Applications$110K
Jan 2025Federal contractDefense · Feasibility Study Of Technology Transfer And Transition Of Afrl/rqt Responsive Open-source Engine (rose) For Cca And Munition Applications$110K
Oct 2024Federal contractDefense · Proposal F2-18213 Direct-connect Altitude Testing Of Small, Low-cost, Afterburning Gas Turbine For Use In Future Increment Collaborative Combat Aircraft And/or Supersonic Munitions$1.8M
Oct 2024Federal grantDefense · Phase II · Proposal F2-18213 Direct-connect Altitude Testing Of Small, Low-cost, Afterburning Gas Turbine For Use In Future Increment Collaborative Combat Aircraft And/or Supersonic Munitions$1.8M
Jun 2021Private capital raisedForm D · SEC · 1st filing$150K

Show 8 earlier federal awards

Dec 2023Federal contractDefense · Feasibility Study Of Operationally Relevant Direct-connect Testing Enabling Rapid, Low-cost Development Of Small, Air-breathing Propulsion Systems$109K
Dec 2023Federal grantDefense · Phase I · Feasibility Study Of Operationally Relevant Direct-connect Testing Enabling Rapid, Low-cost Development Of Small, Air-breathing Propulsion Systems$109K
Dec 2023Federal grantDefense · Phase I · Feasibility Study Of Attritable/reusable Supersonic/hypersonic Unmanned Aerial Vehicle For Autonomous Collaborative Platforms Applications$75K
Dec 2023Federal contractDefense · Feasibility Study Of Attritable/reusable Supersonic/hypersonic Unmanned Aerial Vehicle For Autonomous Collaborative Platforms Applications$75K
May 2023Federal grantDefense · Phase I · Feasibility Study of Two-Stage-To-Orbit Launch System Utilizing an Air-breathing Hypersonic 1st Stage for Tactically Responsive Space Access$75K
May 2023Federal grantDefense · Phase I · TRL-7 Ready Variable Area Nozzle Design for Afterburner/Ramburner for Attritable/Reusable Super/Hypersonic Unmanned Aerial Vehicle (A/R UAV) Applications$75K
Jul 2022Federal grantDefense · Phase II · Prototype Demonstrator of Afterburner/Ramburner Implementation on a Small COTS Turbojet for Attritable/Reusable Super/Hypersonic Unmanned Aerial Vehicle (A/R UAV) Applications$750K
Oct 2021Federal contractDefense · Afterburner/ramburner Implementation On A Small Commercial Off The Shelf Turbojet For Attritable/reusable Super/hypersonic Unmanned Aerial Vehicle Applications$50K

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 161 peers

Line = median

Defense · Software

Federal grantsBelow median

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

Researcher links verified by same-company patents and grants

Joel DarinResearcherExecutive Officer, DirectorLinked by $75K in grants as PI
Craig H. WheldenExecutive OfficerNamed in SEC Form D filings
Eric BriggsExecutive Officer, DirectorNamed in SEC Form D filings
Mark H. Longenecker Jr.Executive OfficerNamed in SEC Form D filings
Robert Keane IIIExecutive Officer, Director, PromoterNamed in SEC Form D filings
Zachary GreenExecutive Officer, Director, PromoterNamed in SEC Form D filings

What it has protected

No granted patents are on record.

USPTO usually publishes applications 18 months after filing, so recent applications may not be visible yet. Patents assigned under a different entity name won’t match.

Checked: USPTO granted patents and published applications · Oct 23, 2026

HARKIND DYNAMICS LLCSimilar federal contract value in Defense · $2.3M in contracts
PRIME SOLUTIONS GROUP, INCORPORATEDSimilar federal contract value in Defense · $2.3M in contracts
ATOLLA TECH LLCSimilar federal contract value in Defense · $2.3M in contracts
FANTASTIC DATA LLCSimilar federal contract value in Defense · $2.2M in contracts
ELPHEL, INCSimilar federal contract value in Defense · $2.2M in contracts
NAKAMIR INCSimilar federal contract value in Defense · $2.2M in contracts

Regulatory activity · Defense

Sector-level, not company-level

11 Jun 2026Danger Zone; Waters of Carr Creek and Whitehall Bay in the Vicinity of the Naval Support Activity AnnapolisEngineers Corps
13 Mar 2026Federal Acquisition Regulation; Federal Acquisition Circular 2026-01; IntroductionNational Aeronautics and Space Administration
13 Mar 2026Federal Acquisition Regulation: Trade Agreements ThresholdsNational Aeronautics and Space Administration
13 Mar 2026Federal Acquisition Regulation; Federal Acquisition Circular 2026-01; Small Entity Compliance GuideNational Aeronautics and Space Administration
27 Aug 2025Federal Acquisition Regulation; Federal Acquisition Circular 2025-06; Small Entity Compliance GuideNational Aeronautics and Space Administration
27 Aug 2025Federal Acquisition Regulation; Federal Acquisition Circular 2025-06; IntroductionNational Aeronautics and Space 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.