For the Inventor, By the Inventor

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Houston, TX, United States of America

Citadel Casing Solutions LLC

USPTO Granted Patents = 4

Trademarks = 4

Forward Citations = 4

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4 inventors (with patents filed for the assignee):

Daniel Lee Schmidt (3 out of 5 patents)

Todd Anthony Stair (3 out of 8 patents)

Phillip Standifer (1 out of 1 patent)

4. Gary J Makowiecki (1 out of 2 patents)

4 patents: Sort by Forward Citations

1. 12313175 - Float valve with a protective spring (2025-05-27),

2. 12234703 - Wellbore plug and wellbore assembly with plug having a passive non-rotation mechanism (2025-02-25),

3. 11920463 - Wellbore system with dissolving ball and independent plug latching profiles (2024-03-05),

4. 11525331 - System and method for establishing a bypass flow path within a wellbore liner (2022-12-13),

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USPTO Data Jan 1 1976 - Dec 23 2025

4 Patents

#973 in Houston, TX

#3,840 in Texas

#58,997 in US

Houston, TX, United States of America

Citadel Casing Solutions LLC

Forward Citations = 4

4 inventors:

Daniel Lee Schmidt (3 out of 5 patents)

Todd Anthony Stair (3 out of 8 patents)

Phillip Standifer (1 out of 1 patent)

4. Gary J Makowiecki (1 out of 2 patents)

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