DAIVIN!

Active

Tankless Dive Gear - Breath Autonomy at Sea, Land & Space

Winter 2026Founded 20251 peopleSan Francisco, CA, USA

www.daivin.tech/ ↗LinkedIn ↗X ↗Crunchbase ↗

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Extreme Environment Breath SystemsHardwareDivers, astronauts, specialized industriesLow competition

Moat

Novel water-extraction and storage technology; hardware IP and patents; safety certifications and training relationships.

Key risk

Complex regulatory approval (diving, space agencies); high capex; unproven technology at scale; limited addressable market.

Why now

Space exploration acceleration (SpaceX, NASA missions); growing commercial diving industry.

Competitors

Traditional tank manufacturers (Scubapro, Aqualung), emerging rebreather tech

About

DAIVIN! builds tankless dive gear that unlocks breath autonomy in extreme environments. Starting from underwater environment our mission is to remove the need for dangerous, heavy and bulky oxygen tanks in space, air and on land and replace them with water!

Founders · 1

Leo KankkunenFounder & CEO

Invented and tested the first-ever tankless dive gear in history. Served in the military and became the youngest top-certified electrical engineer in Europe, authorized to independently sign electrical High-Voltage power line constructions. B.Eng. in Electrical Engineering and an M.Sc. in IEM and Innovation Management. A certified diver and two-time founder with a strong background in deep tech and innovation.

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Industrials Defense

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