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For the Inventor, By the Inventor

West Lake Hills, TX, United States of America

Terrah2 LLC


USPTO Granted Patents = 5

Forward Citations = 8

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2 inventors (with patents filed for the assignee):

goldMedal Harold J Vinegar (5 out of 311 patents)

silverMedal Eva Vinegar (5 out of 11 patents)


5 patents:

1. 12655725 - Hydrogen production, storage and recovery (2026-06-16),
2. 12467341 - Hydrogen production, storage and recovery (2025-11-11),
3. 12366138 - Hydrogen production, storage and recovery (2025-07-22),
4. 11959364 - Hydrogen production, storage and recovery (2024-04-16),
5. 11680466 - Hydrogen storage and recovery with fracture monitoring (2023-06-20),
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USPTO Data Jan 1 1976 - Sep 22 2026

5 Patents

#3 in West Lake Hills, TX

#3,327 in Texas

#51,545 in US

West Lake Hills, TX (US)
West Lake Hills, TX, United States of America

Terrah2 LLC

Forward Citations = 8

2 inventors:

goldMedal Harold J Vinegar (5 out of 311 patents)

silverMedal Eva Vinegar (5 out of 11 patents)

Please report any incorrect information to [email protected]
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