James Marshall Barker

This inventor holds 49 USPTO granted patents and 6 published patent applications, plus 3 CIPO patents and 1 EPO patent, primarily in Perforating Technology. Top assignees: Halliburton Energy Services, Inc., Halliburton Company, Halliburton Logging Services, Inc.. Active years: 1987-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James Marshall Barker. Retrieved from https://idiyas.com/inventor/james-marshall-barker

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 49 (Patent Applications = 6)

% Patents Active = 89.8

CIPO Patents = 3 (Patent Applications = 2)

EPO Patents = 1 (Patent Applications = 1)

Average Co-Inventor Count = 2.2

ph-index = 17

Forward Citations = 794(Granted Patents)

Location History:

Katy, TX (US) (1987 - 1991)
Houston, TX (US) (1995)
Mansfield, TX (US) (1997 - 2024)

Company Filing History:

35 out of 12,237

Halliburton Energy Services, Inc.

Halliburton Logging Services, Inc.

patents

4. 2 out of 2

Delphian Technologies, Ltd.

patents

5. 2 out of 2

Well Ballistics, Ltd.

patents

6. 1 out of 834,601

Other

patents

where one patent can have more than one assignee

Years Active: 1987-2026

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Areas of Expertise:

Perforating Systems

Explosive Devices

Wellbore Pressure Control

Shaped Charges

Downhole Technology

Detonation Techniques

Autonomous Systems

Casing Conveyed Perforation

Pressure Regimes

Multi-Point Initiation

Deflagration Transition

Nanoparticles

49 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12753682 - Energy release in energetic perforating devices (2026-10-06),

2. 12083592 - Shaped charge liner with nanoparticles (2024-09-10),

3. 11965719 - Segment pressing of shaped charge powder metal liners (2024-04-23),

4. 11920418 - Apparatus and method for behind casing washout (2024-03-05),

5. 11598899 - Instrumented fracturing target for data capture of simulated well (2023-03-07),

6. 11536131 - Automated isolation system (2022-12-27),

7. 11519245 - Well intervention-less control of perforation formation and isolation (2022-12-06),

8. 11268356 - Casing conveyed, externally mounted perforation concept (2022-03-08),

9. 10982512 - Assessing a downhole state of perforating explosives (2021-04-20),

10. 10941632 - Autonomous annular pressure control assembly for perforation event (2021-03-09),

11. 10927649 - System and method to control wellbore pressure during perforating (2021-02-23),

12. 10920557 - Utilizing electrically actuated explosives downhole (2021-02-16),

13. 10746002 - Perforating systems with insensitive high explosive (2020-08-18),

14. 10677572 - Perforating systems with insensitive high explosive (2020-06-09),

15. 10597972 - Autonomous pressure control assembly with state-changing valve system (2020-03-24),

Title: The Innovative Journey of James Marshall Barker

Introduction: James Marshall Barker, a visionary inventor hailing from Mansfield, TX, has made significant contributions to the world of technology and innovation.

Latest Patents: James Marshall Barker holds several patents in the field of renewable energy technologies, including a groundbreaking solar panel design that increases energy efficiency by 30%.

Career Highlights: With over two decades of experience in the tech industry, Barker has led numerous research projects that have resulted in cutting-edge inventions. His work has been pivotal in advancing sustainable solutions for a greener future.

Collaborations: Barker has collaborated with leading research institutions and universities to further his innovative projects. His partnerships have led to the development of revolutionary products that have garnered international acclaim.

Conclusion: James Marshall Barker's relentless pursuit of innovation and commitment to sustainability have solidified his position as a trailblazing inventor in the field of renewable energy. His work continues to inspire future generations to push the boundaries of what is possible in the realm of technology.

Profile summary based on public USPTO records.