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For the Inventor, By the Inventor

Dallas, TX, United States of America

Cdx Gas, Inc.


USPTO Granted Patents = 69

% Expired Patents = 79.7


Forward Citations = 2,465

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10 inventors (with patents filed for the assignee):

goldMedal Joseph A Zupanick (57 out of 87 patents)

silverMedal Monty H Rial (20 out of 22 patents)

bronzeMedal Lawrence W Diamond (10 out of 10 patents)

4.  Harold E Payne (6 out of 6 patents)

5.  Christopher Arnold Pratt (5 out of 8 patents)

6.  Douglas P Seams (3 out of 3 patents)

7.  Bruno H Walter (2 out of 8 patents)

8.  Steven R Pauley (1 out of 1 patent)

9.  Frank Merendino, Jr (1 out of 1 patent)

10.  Robert Michael Lockerd, Sr (1 out of 1 patent)


Core Competencies:
Cavity Well System
Directional Drilling
Wellbore Clearing
Subterranean Resources
Fluid Controlled Pumping
Multi-Well Structure
Underreamer
Wellbore Sealing
Perforating Tubulars
Hydrocarbon Extraction
Formation Collapse
Pressure Control

69 patents:

1. 7571771 - Cavity well system (2009-08-11),
2. 7434620 - Cavity positioning tool and method (2008-10-14),
3. 7419223 - System and method for enhancing permeability of a subterranean zone at a horizontal well bore (2008-09-02),
4. 7373984 - Lining well bore junctions (2008-05-20),
5. 7360595 - Method and system for underground treatment of materials (2008-04-22),
6. 7353877 - Accessing subterranean resources by formation collapse (2008-04-08),
7. 7311150 - Method and system for cleaning a well bore (2007-12-25),
8. 7299864 - Adjustable window liner (2007-11-27),
9. 7264048 - Slot cavity (2007-09-04),
10. 7225872 - Perforating tubulars (2007-06-05),
11. 7222670 - System and method for multiple wells from a common surface location (2007-05-29),
12. 7213644 - Cavity positioning tool and method (2007-05-08),
13. 7207395 - Method and system for testing a partially formed hydrocarbon well for evaluation and well planning refinement (2007-04-24),
14. 7207390 - Method and system for lining multilateral wells (2007-04-24),
15. 7182157 - Enlarging well bores having tubing therein (2007-02-27),
Company Overview
Cdx Gas, Inc. is a Dallas-based company specializing in advanced subterranean access technologies. The organization focuses on developing innovative solutions for the oil and gas industry, particularly in areas such as cavity well systems, directional drilling, and wellbore clearing. Their expertise extends to fluid-controlled pumping and wellbore sealing, enabling efficient extraction and management of subterranean resources. Cdx Gas is committed to enhancing multi-well structures and underreamer technologies, contributing to improved operational efficiency in challenging environments.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

69 Patents

#30 in Dallas, TX

#292 in Texas

#5,309 in US

#10,761 in the World

Dallas, TX (US)
Dallas, TX, United States of America

Cdx Gas, Inc.

Forward Citations = 2,465

10 inventors:

goldMedal Joseph A Zupanick (57 out of 87 patents)

silverMedal Monty H Rial (20 out of 22 patents)

bronzeMedal Lawrence W Diamond (10 out of 10 patents)

4.  Harold E Payne (6 out of 6 patents)

5.  Christopher Arnold Pratt (5 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cdx Gas, Inc.. Retrieved from https://idiyas.com/company/cdx-gas

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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