For the Inventor, By the Inventor

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Corpus Christi, TX, United States of America

Magnum Oil Tools International, Ltd.

USPTO Granted Patents = 24

CIPO Patents = 6

Forward Citations = 352

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9 inventors (with patents filed for the assignee):

W Lynn Frazier (21 out of 68 patents)

Warren Lynn Frazier (3 out of 3 patents)

Lakhena Yong (2 out of 2 patents)

4. Timothy Kenneth McAdoo (1 out of 1 patent)

5. Lee Schiro (1 out of 1 patent)

6. Wade Ashley Koehl (1 out of 1 patent)

7. Richard Charles Zeinert (1 out of 2 patents)

8. Garrett Frazier (1 out of 7 patents)

9. Derrick Frazier (1 out of 5 patents)

24 patents: Sort by Forward Citations

1. 10887153 - Interventionless frangible disk isolation tool (2021-01-05),

2. 10871053 - Downhole assembly for selectively sealing off a wellbore (2020-12-22),

3. 10662732 - Split ring sealing assemblies (2020-05-26),

4. 10465468 - Downhole tools having non-toxic degradable elements (2019-11-05),

5. 10465462 - Electrically powered setting tool and perforating gun (2019-11-05),

6. 10458201 - Downhole assembly for selectively sealing off a wellbore (2019-10-29),

7. 10385649 - Plug of extended reach (2019-08-20),

8. 10352125 - Downhole plug having dissolvable metallic and dissolvable acid polymer elements (2019-07-16),

9. 10337279 - Dissolvable downhole tools comprising both degradable polymer acid and degradable metal alloy elements (2019-07-02),

10. 10260308 - Settable well tool method (2019-04-16),

11. 10119359 - Dissolvable aluminum downhole plug (2018-11-06),

12. 10107070 - Interventionless frangible disk isolation tool (2018-10-23),

13. 10053949 - Cement retainer and squeeze technique (2018-08-21),

14. 9850738 - Bottom set downhole plug (2017-12-26),

15. 9850736 - Extended reach plug (2017-12-26),

Magnum Oil Tools International, Ltd. is a leading provider of innovative oilfield tools designed to improve efficiency and safety in drilling operations. With a strong focus on research and development, Magnum Oil Tools offers a wide range of patented products including casing centralizers, float equipment, and cementing accessories. Their cutting-edge solutions are trusted by major oil and gas operators globally to optimize wellbore integrity and maximize production. Visit their website to learn more about their advanced oilfield technologies.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

24 Patents

#2 in Corpus Christi, TX

#806 in Texas

#13,405 in US

#25,837 in the World

Corpus Christi, TX, United States of America

Magnum Oil Tools International, Ltd.

Forward Citations = 352

9 inventors:

W Lynn Frazier (21 out of 68 patents)

Warren Lynn Frazier (3 out of 3 patents)

Lakhena Yong (2 out of 2 patents)

4. Timothy Kenneth McAdoo (1 out of 1 patent)

5. Lee Schiro (1 out of 1 patent)

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