Growth Stage

The combustion engine reimagined


Raised to Date: Raised: $16,712,642

Total Commitments ($USD)



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Close Date


Min. Goal
Max. Goal
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Security Type

Equity - Common


Series A

SEC Filing Type

RegA+    Open SEC Filing

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Pre-Money Valuation


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Days Remaining
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% of Max. Goal
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Year Founded



Transportation, Automotive, Aviation, & Aerospace

Tech Sector


Distribution Model




Capital Intensity



Bloomfield, Connecticut

Business Type


LiquidPiston, an internal combustion engine manufacturer, is raising funds on StartEngine through Reg A+ crowdfunding. The company develops advanced rotary internal combustion engines based on its patented thermodynamic cycle and rotary engine architecture. The technology makes the engines more powerful, efficient, compact, and scalable. LiquidPiston was founded by Alexander Shkolnik and Nikolay Shkolnik in 2019 and has raised $3.17 million in previous rounds of financing. The current round of funding will be used for full-fledged development rounds with partners. LiquidPiston has over $9 million in contracts with the Department of Defense and has successfully completed four industrial partner pilot studies signed in 2019.

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Earnings Per Share - Diluted


Auditor: Bennett & Company, PC
Financials as of: 07/19/2020
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Raise History

Offering Name Close Date Platform Valuation/Cap Total Raised Security Type Status Reg Type
LiquidPiston 10/24/2023 Dealmaker Securities $184,000,000 $28,030,000 Equity - Common Funded RegA+
LiquidPiston 06/24/2021 StartEngine $56,800,000 $16,712,642 Equity - Common Funded RegA+
LiquidPiston 03/30/2020 StartEngine $51,633,010 $1,043,462 Equity - Common Funded RegCF
LiquidPiston 03/15/2019 Wefunder $30,000,000 $1,070,000 Convertible Note Funded RegCF
LiquidPiston 04/06/2017 Wefunder $25,000,000 $1,000,000 Convertible Note Funded RegCF
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Price per Share History

Note: Share prices shown in earlier rounds may not be indicative of any stock splits.

Valuation History

Revenue History

Note: Revenue data points reflect the latest of either the most recent fiscal year's financials, or updated revenues directly from the founder, at each raise's close date.

Employee History

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Analyst Report Analyst Report Methodology Article


KingsCrowd’s assessment of LiquidPiston has not changed since we last rated it a Deal to Watch. Please see the previous Analyst Report to learn more about why LiquidPiston is a promising investment opportunity.

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LiquidPiston on StartEngine
Platform: StartEngine
Security Type: Equity - Common
Valuation: $56,800,000
Price per Share: $45.00

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