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Overview
H3X Technologies designs and sells high-power density integrated motor drives that bundle a motor, inverter, and gearbox into one compact unit. Its HPDM-250 targets defense applications requiring maximum power per weight, delivering 12 kW per kilogram and scalable from 30 kW to 30 MW. The product relies on optimized electromagnetics, synergistic cooling, and fault-tolerant power electronics to achieve high efficiency and integration. The goal is to provide compact, efficient drive systems for defense platforms where high power and low weight matter, differentiating itself with extreme power density and integrated packaging.
About H3X Technologies
Industries
Robotics & Automation
Hardware
Industrial & Manufacturing
Defense
Company Size
51-200
Company Stage
Series A
Total Funding
$26.9M
Headquarters
Louisville, Colorado
Founded
2020
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Simplify's Take
What believers are saying
- Apr 2026 coverage shows HPDG-30 beta units running 65 hours at max power.
- Feb 2026 marine genset expansion broadens H3X beyond aviation into industrial demand.
- Lockheed Martin Ventures backing and 2024 Series A support defense sales and hiring.
What critics are saying
- Flagship customer shipments start Q2 2026, creating concentration around one production program.
- HPDG-30 Gen2 waits until Q3 2026; schedule slips damage aerospace credibility fast.
- Certification failure or thermal issues during scale-up destroys H3X's defense and aviation thesis.
What makes H3X Technologies unique
- HPDM-500 launched December 2025 packs 500 kW into carry-on luggage.
- H3X integrates motor, inverter, gearbox, and isolated cooling into one drive.
- NASA phase II completed April 2025 validated HPDM-30 endurance, shock, vibration, and altitude.
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Funding
Total Funding
$26.9M
Above
Industry Average
Funded Over
4 Rounds
Y CombinatorIndustry standards
Benefits
Health Insurance
Gym membership stipend
Ski/Snowboard Pass
Flexible hours
Flexible time off
401k program
Relocation package
PTO Policy
PTO
PTO Policy (80 hours)
Remote Work Options
Hybrid Work Options
Stock Options
Company Equity
Wellness Program
Mental Health Support
Conference Attendance Budget
Professional Development Budget
Continuing professional education benefit
Education allowance
Tuition Reimbursement
Professional Certification Support
Home Office Stipend
Phone/Internet Stipend
Adoption Assistance
Parental Leave
Family Planning Benefits
Fertility Treatment Support
Meal Benefits
Employee Discounts
Monthly company events
Performance Bonus
Profit Sharing
Employee Stock Purchase Plan
Relocation Assistance
Dental Insurance
Vision Insurance
Life Insurance
Disability Insurance
Health Savings Account/Flexible Spending Account
Growth & Insights and Company News
6 month growth
↓ -1%1 year growth
↑ 0%2 year growth
↑ 0%Early last year, H3X introduced the HPDM-30, a high-power density electric motor with a 3D printed synergistic cooling jacket.
Electric motor startup H3X on Tuesday announced it has raised $20 million through an oversubscribed Series A round led by Infinite Capital, with participation from Hanwha Asset Management, Cubit Capital, Origin Ventures, Industrious Ventures, Venn10 Capital, and follow-on investors that include Lockheed Martin Ventures, Metaplanet, Liquid 2 Ventures and TechNexus.
Many industries that rely on legacy energy sources are aiming to electrify or at least streamline their operations, but for countless use cases, the tech
Manufacturo is proud to announce a pivotal partnership with H3X Technologies, visionary manufacturers of high-power density integrated motor drives for sustainable aviation, marine, and defense.
H3X Technologies has filed a notice of an exempt offering of securities to raise $3,000,000.00 in New Debt Financing. H3X Technologies has filed a notice of an exempt offering of securities to raise $3,000,000.00 in New Debt Financing.According to filings with the U.S. Securities and Exchange Commission, H3X Technologies is raising $3,000,000.00 in new funding. Sources indicate that as part of senior management Chief Executive Officer, Jason Sylvestre played a key role in securing the recent investment and it will aid in aggressively expanding the company, as well as broaden and accelerate product development.About H3X TechnologiesH3X manufactures high performance integrated motor drives for electric aircraft. Our first product, the HPDM-250, is a 250kW integrated motor drive in a 15kg package. We are a team of multidisciplinary engineers brought together with the sole purpose of developing the most advanced electric aircraft propulsion systems in the world to enable sustainable aviation
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About H3X Technologies
Industries
Robotics & Automation
Hardware
Industrial & Manufacturing
Defense
Company Size
51-200
Company Stage
Series A
Total Funding
$26.9M
Headquarters
Louisville, Colorado
Founded
2020
H3X Technologies is Hiring for 13 Jobs on Simplify!
Find jobs on Simplify and start your career today