For the Inventor, By the Inventor

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Houston, TX, United States of America

Pathfinder Energy Services, Inc.

Calculating rank

USPTO Granted Patents = 45

% Expired Patents = 35.6

CIPO Patents = 5

Forward Citations = 956

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20 inventors (with patents filed for the assignee):

Samuel Mark Haugland (9 out of 12 patents)

Junichi Sugiura (5 out of 59 patents)

Graham A McElhinney (5 out of 21 patents)

4. Robert Anthony Moore (5 out of 14 patents)

5. William C Paluch (4 out of 18 patents)

6. Stephen Jones (4 out of 31 patents)

7. Elan Yogeswaren (4 out of 23 patents)

8. Michael J Moody (4 out of 12 patents)

9. S Mark Haugland (4 out of 6 patents)

10. Haoshi Song (2 out of 20 patents)

11. Jay Milton Eppink (2 out of 31 patents)

12. Emilio Baron (2 out of 3 patents)

13. Wei Han (1 out of 15 patents)

14. Terrence G Frith (1 out of 8 patents)

15. Tsili Wang (1 out of 85 patents)

Core Competencies:

Caliper Logging

Downhole Dynamics

Piezocomposite Transducer

Pressure Pulse Detection

Well Logging

Rotary Steerable Tool

Electromagnetic Measurement

Azimuthal Dependence

Borehole Geometry

Fluid Sampling

Acoustic Sensor

Formation Porosity

45 patents: Sort by Forward Citations

1. 8117907 - Caliper logging using circumferentially spaced and/or angled transducer elements (2012-02-21),

2. 7571643 - Apparatus and method for downhole dynamics measurements (2009-08-11),

3. 7513147 - Piezocomposite transducer for a downhole measurement tool (2009-04-07),

4. 7489591 - Drilling fluid pressure pulse detection using a differential transducer (2009-02-10),

5. 7482812 - Series-resonant tuning of an LWD receiver (2009-01-27),

6. 7464770 - Closed-loop control of hydraulic pressure in a downhole steering tool (2008-12-16),

7. 7436184 - Well logging apparatus for obtaining azimuthally sensitive formation resistivity measurements (2008-10-14),

8. 7426967 - Rotary steerable tool including drill string rotation measurement apparatus (2008-09-23),

9. 7414405 - Measurement tool for obtaining tool face on a rotating drill collar (2008-08-19),

10. 7403857 - Enhanced measurement of azimuthal dependence of subterranean parameters with filters and/or discretely sampled data (2008-07-22),

11. 7388379 - Series-resonant tuning of a downhole loop antenna (2008-06-17),

12. 7385400 - Azimuthally sensitive receiver array for an electromagnetic measurement tool (2008-06-10),

13. 7383897 - Downhole steering tool having a non-rotating bendable section (2008-06-10),

14. 7377333 - Linear position sensor for downhole tools and method of use (2008-05-27),

15. 7363159 - Method of determining resistivity and/or dielectric values of an earth formation as a function of position within the earth formation (2008-04-22),

Company Overview

Pathfinder Energy Services, Inc. is a Houston-based company specializing in advanced technologies for the oil and gas industry. The organization focuses on developing innovative solutions such as caliper logging, downhole dynamics measurements, and piezocomposite transducers. Their expertise extends to drilling fluid pressure detection and closed-loop control systems, enhancing the efficiency and accuracy of well logging operations. Pathfinder is committed to providing cutting-edge rotary steerable tools and azimuthally sensitive receivers, driving advancements in drilling technology.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

45 Patents

#128 in Houston, TX

#432 in Texas

#7,796 in US

#15,457 in the World

Houston, TX, United States of America

Pathfinder Energy Services, Inc.

Forward Citations = 956

20 inventors:

Samuel Mark Haugland (9 out of 12 patents)

Junichi Sugiura (5 out of 59 patents)

Graham A McElhinney (5 out of 21 patents)

4. Robert Anthony Moore (5 out of 14 patents)

5. William C Paluch (4 out of 18 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Pathfinder Energy Services, Inc.. Retrieved from https://idiyas.com/company/pathfinder-energy-services

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

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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