The Sullivan Generator Shark Tank Update
Novelties
What Happened to The Sullivan Generator After Shark Tank
Is The Sullivan Generator still in business? No — the company has shut down.
- Generator remains unbuilt
- Patent still exists but widely regarded as non-viable
- Business no longer in operation
Last updated Sep 7, 2026.
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The The Sullivan Generator Shark Tank Pitch
Mark Sullivan of San Antonio, TX pitched The Sullivan Generator on Shark Tank Season 3, Episode 11, which aired Friday, April 13, 2012, asking for $1M for 10% of the company — a $10M valuation.
The Sullivan Generator left the Tank without a deal.
Watch the Pitch
Pitch Details
- Aired
- S3E11Apr 13, 2012
- Ask
- $1Mfor 10%
- Ask Valuation
- $10M