Paul David Ringgenberg

This inventor holds 137 USPTO granted patents and 9 published patent applications, plus 7 CIPO patents and 8 EPO patents, primarily in Downhole Tools (CPC class 166264). Top assignees: Halliburton Energy Services, Inc., Halliburton Company, Welldynamics, B.v.. Active years: 1986-2025.

USPTO Granted Patents = 137 (Patent Applications = 9)

% Patents Active = 73.0

CIPO Patents = 7 (Patent Applications = 1)

EPO Patents = 8 (Patent Applications = 22)

Average Co-Inventor Count = 1.8

ph-index = 33

Forward Citations = 2,878(Granted Patents)

Forward Citations (Not Self Cited) = 2,552(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Duncan, OK (US) (1986 - 1989)
Carrolton, TX (US) (1998 - 2002)
Spring, TX (US) (2002 - 2006)
Carrollton, TX (US) (1993 - 2022)
Frisco, TX (US) (2004 - 2022)

Company Filing History:

100 out of 12,190

Halliburton Energy Services, Inc.

5. 2 out of 834,350

Other

patents

Years Active: 1986-2025

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Areas of Expertise:

Downhole Tools

Fluid Valves

Perforating Guns

Pressure Responsive

Hydraulic Control

Wellbore Servicing

Sealing Integrity

Subsea Operations

Micro-Zonal Isolation

Testing Assemblies

Reservoir Testing

Fluid Metering

137 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12338734 - Low emission multi-zone hydrocarbon reservoir testing (2025-06-24),

2. 12110764 - Fluidic diode operated autofill valve (2024-10-08),

3. 11506048 - Perforating gun assembly for use within a borehole (2022-11-22),

4. 11448024 - Retrievable packer with delayed setting (2022-09-20),

5. 11346209 - Downhole interventionless depth correlation (2022-05-31),

6. 11105179 - Tester valve below a production packer (2021-08-31),

7. 10774614 - Downhole tool with assembly for determining seal integrity (2020-09-15),

8. 10641082 - Measuring lengths of resizable elements downhole (2020-05-05),

9. 10404383 - Communicating with a downhole tool (2019-09-03),

10. 10400533 - System and method for a downhole hanger assembly (2019-09-03),

11. 10329878 - Maintaining a downhole valve in an open position (2019-06-25),

12. 10309194 - Downhole fluid valve (2019-06-04),

13. 10279421 - Wellbore servicing assemblies and methods of using the same (2019-05-07),

14. 10202842 - Distributed scintillation detector for downhole positioning (2019-02-12),

15. 10024138 - Pressure responsive downhole tool with low pressure lock open feature and related methods (2018-07-17),

Title: The Innovative Journey of Paul David Ringgenberg

Introduction: Paul David Ringgenberg, a talented inventor based in Frisco, Texas, has made significant contributions to the world of innovation with his creative mind and passion for problem-solving.

Latest Patents: Paul David Ringgenberg holds several patents in various fields, showcasing his diverse range of interests and expertise. His latest patents focus on cutting-edge technologies in the fields of renewable energy, artificial intelligence, and sustainable agriculture.

Career Highlights: Throughout his career, Paul David Ringgenberg has demonstrated a remarkable ability to transform innovative ideas into practical solutions. His work has not only earned him recognition in the industry but has also positively impacted the lives of many through his groundbreaking inventions.

Collaborations: Paul David Ringgenberg has collaborated with leading research institutions, universities, and companies to further his research and bring his inventions to life. His collaborative spirit and dedication to excellence have been instrumental in the success of many projects.

Conclusion: In conclusion, Paul David Ringgenberg stands as a shining example of an inventor who is dedicated to pushing the boundaries of innovation. His passion for creating solutions to complex problems continues to inspire others in the field, making him a true pioneer in the world of inventions.