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For the Inventor, By the Inventor

Houston, TX, United States of America

Expro Americas, LLC


USPTO Granted Patents = 14



Trademarks = 11

Forward Citations = 41

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17 inventors (with patents filed for the assignee):

goldMedal Kerry Gordon Daly (5 out of 8 patents)

silverMedal Scott Charles (3 out of 13 patents)

bronzeMedal John McCaskill (3 out of 7 patents)

4.  Anand Girish Parthasarathy (2 out of 35 patents)

5.  Jerome Harless (2 out of 2 patents)

6.  Donald Glynn Sims (2 out of 2 patents)

7.  Robert Frank Schmidt (2 out of 6 patents)

8.  David Anthony Schmidt (2 out of 6 patents)

9.  Danny Spencer (1 out of 3 patents)

10.  John McHardy (1 out of 1 patent)

11.  William Paul Coffman (1 out of 1 patent)

12.  Charles Leland Patrick (1 out of 1 patent)

13.  Michael James Taylor (1 out of 1 patent)

14.  Michael James Sims (1 out of 1 patent)

15.  Steve Russell (1 out of 1 patent)


14 patents:

1. 12509982 - Detection of top of cement within an annular environment (2025-12-30),
2. 11767739 - Perforating gun for oil and gas wells, and system and method for using the same (2023-09-26),
3. 11441373 - Well string tool and method for using the same (2022-09-13),
4. 11402191 - Explosive charge deactivation system and method (2022-08-02),
5. 11280167 - Perforating gun and system and method for using the same (2022-03-22),
6. 11149506 - System for controlling wellbore pressure during pump shutdowns (2021-10-19),
7. 10961827 - Tubing conveyed perforating system with safety feature (2021-03-30),
8. 10753499 - Proportional control valve system and method (2020-08-25),
9. 10527068 - System for hydraulic pressure relief valve operation (2020-01-07),
10. 8413677 - System for accelerating relief valve opening (2013-04-09),
11. 7677883 - Trailer mounted smokeless dual-phase burner system (2010-03-16),
12. 7677882 - Smokeless liquid dual-phase burner system (2010-03-16),
13. 7360611 - Flow system for a hydraulic choke solids strainer (2008-04-22),
14. 7275606 - Solids strainer system for a hydraulic choke (2007-10-02),
Expro Americas, LLC is a leading global provider of well flow management products and services for the oil and gas industry. With a presence in over 50 countries, Expro delivers innovative solutions and technologies to optimize well performance, enhance efficiency, and improve safety. Their range of services includes well testing, subsea services, well intervention, wireline services, and more.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 6 2026

14 Patents

#362 in Houston, TX

#1,348 in Texas

#21,655 in US

#40,959 in the World

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Houston, TX, United States of America

Expro Americas, LLC

Forward Citations = 41

17 inventors:

goldMedal Kerry Gordon Daly (5 out of 8 patents)

silverMedal Scott Charles (3 out of 13 patents)

bronzeMedal John McCaskill (3 out of 7 patents)

4.  Anand Girish Parthasarathy (2 out of 35 patents)

5.  Jerome Harless (2 out of 2 patents)

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