LIQUIDPISTON, INC

Liquid Piston ━ Introducing the X mini engine

Bloomfield, United States · Founded 2020 · $48.2M raised

Employees
11–50
Founded
2020
Business Model
B2B
Total Funding
$48.2M
Last Round
$500K SeedMar 2026
Rounds
4

About

LiquidPiston develops compact, powerful, quiet, efficient, low-vibration, multi-fuel capable combustion engines that are scalable from 1HP to over 1000HP. Based in Bloomfield, CT, the company has patented a new rotary engine delivering up to 10x more power and 30% greater efficiency than traditional piston engines, making it ideal for hybrid-electric, drone, and military applications. LiquidPiston maintains state-of-the-art laboratory facilities with dynamometer test cells and CNC machining capabilities, and has received multiple SBIR/STTR contracts from the U.S. Army and Air Force.

Summary

LIQUIDPISTON, INC is an Aerospace company based in Bloomfield, United States, founded in 2020. It has raised $48.2M in total across 4 rounds, most recently a $500K Seed round in Mar 2026.

Tech & App Stack

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Funding History

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SeedSeed RoundMar 2026
$500K

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