For the Inventor, By the Inventor

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Houston, TX, United States of America

Geo Vann, Inc.

USPTO Granted Patents = 27

Trademarks = 2

Forward Citations = 1,016

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12 inventors (with patents filed for the assignee):

Roy R Vann (14 out of 38 patents)

Flint R George (12 out of 64 patents)

Emmet F Brieger (8 out of 26 patents)

4. George W Ribble (3 out of 4 patents)

5. Edward A Colle, Jr (3 out of 9 patents)

6. Dean S Oneal (1 out of 10 patents)

7. Charles W Kinney (1 out of 5 patents)

8. Donald N Yates, Jr (1 out of 6 patents)

9. Michael Oestrich (1 out of 1 patent)

10. Dennis F Warren (1 out of 1 patent)

11. Raymond A Menard (1 out of 1 patent)

12. Dewayne Turner (1 out of 1 patent)

27 patents: Sort by Forward Citations

1. 4601492 - Releasable coupling (1986-07-22),

2. 4598775 - Perforating gun charge carrier improvements (1986-07-08),

3. 4598771 - Method and apparatus for firing a perforating gun and simultaneously (1986-07-08),

4. 4576233 - Differential pressure actuated vent assembly (1986-03-18),

5. 4570714 - Gravel pack assembly (1986-02-18),

6. 4564076 - Well completion method and apparatus (1986-01-14),

7. 4554975 - Hold down apparatus for wireline operated gun (1985-11-26),

8. 4544034 - Actuation of a gun firing head (1985-10-01),

9. 4538680 - Gun below packer completion tool string (1985-09-03),

10. 4529038 - Differential vent and bar actuated circulating valve and method (1985-07-16),

11. 4522665 - Primer mix, percussion primer and method for initiating combustion (1985-06-11),

12. 4512406 - Bar actuated vent assembly (1985-04-23),

13. 4510999 - Well cleanup and completion method and apparatus (1985-04-16),

14. 4501331 - Method of completing a well (1985-02-26),

15. 4499951 - Ball switch device and method (1985-02-19),

Geo Vann, Inc. is a leading provider of civil engineering and construction services. With over 20 years of experience, we specialize in land development, site preparation, demolition, and infrastructure projects. Our team of professionals is dedicated to delivering high-quality results and exceeding client expectations. Contact us today to learn more about how we can help with your next project.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

27 Patents

#196 in Houston, TX

#702 in Texas

#11,985 in US

#23,254 in the World

Houston, TX, United States of America

Geo Vann, Inc.

Forward Citations = 1,016

12 inventors:

Roy R Vann (14 out of 38 patents)

Flint R George (12 out of 64 patents)

Emmet F Brieger (8 out of 26 patents)

4. George W Ribble (3 out of 4 patents)

5. Edward A Colle, Jr (3 out of 9 patents)

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