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Columbus, OH, United States of America

Columbia Gas System Service Corporation

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USPTO Granted Patents = 29

Forward Citations = 635

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33 inventors (with patents filed for the assignee):

Edward A Reid, Jr (10 out of 10 patents)

F Bert Cook (9 out of 13 patents)

Edgar M Purvis (6 out of 6 patents)

4. Norman D Malcosky (5 out of 5 patents)

5. Stephen P Cremean (3 out of 4 patents)

6. George W Myler (3 out of 3 patents)

7. James E Payne (3 out of 3 patents)

8. Edward M Winter (3 out of 3 patents)

9. John C Murphy (2 out of 15 patents)

10. Stephen E Petty (2 out of 9 patents)

11. Richard N Christensen (2 out of 12 patents)

12. Ralph F Cohn (2 out of 3 patents)

13. Howard C Meacham, Jr (2 out of 4 patents)

14. Kevin R McGahey (2 out of 4 patents)

15. Patrick J Moran (2 out of 3 patents)

Core Competencies:

Heat Transfer Apparatus

Energy Recovery System

Absorption Refrigeration

Gas Detection

Electrical Current Detection

Gas Compression

Pipeline Injection

Cooling Heating Process

Gas Tracer Composition

Hydrocarbon Strata

Permeability Determination

29 patents: Sort by Forward Citations

1. 5339654 - Heat transfer apparatus (1994-08-23),

2. 5126654 - Non-invasive, high resolution detection of electrical currents and (1992-06-30),

3. 5087873 - Non-invasive, high resolution detection of electrical currents and (1992-02-11),

4. 5077986 - Energy recovery system for absorption heat pumps (1992-01-07),

5. 5067330 - Heat transfer apparatus for heat pumps (1991-11-26),

6. 4805450 - Method of locating hydrocarbon producing strata and the instrument (1989-02-21),

7. 4783990 - Apparatus for measuring the quantity of gas pumped by a compressor (1988-11-15),

8. 4773255 - Apparatus for injecting gas into a pipeline (1988-09-27),

9. 4742693 - Absorption refrigeration and heat pump system (1988-05-10),

10. 4742687 - Dual cooling/heating process and composition (1988-05-10),

11. 4722193 - Absorption refrigeration and heat pump system (1988-02-02),

12. 4719767 - Absorption refrigeration and heat pump system (1988-01-19),

13. 4691532 - Dual cooling/heating system energy recovery (1987-09-08),

14. 4690689 - Gas tracer composition and method (1987-09-01),

15. 4676095 - Apparatus for measuring the work performed by a gas compressor (1987-06-30),

Company Overview

Columbia Gas System Service Corporation, based in Columbus, Ohio, specializes in the distribution and management of natural gas services. The company focuses on providing reliable energy solutions while ensuring safety and efficiency in its operations. With a commitment to innovation, Columbia Gas engages in the development of technologies that enhance energy delivery and customer service. The organization plays a vital role in the energy infrastructure, serving a diverse customer base across its operational regions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

29 Patents

#26 in Columbus, OH

#511 in Ohio

#11,634 in US

#22,581 in the World

Columbus, OH, United States of America

Columbia Gas System Service Corporation

Forward Citations = 635

33 inventors:

Edward A Reid, Jr (10 out of 10 patents)

F Bert Cook (9 out of 13 patents)

Edgar M Purvis (6 out of 6 patents)

4. Norman D Malcosky (5 out of 5 patents)

5. Stephen P Cremean (3 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Columbia Gas System Service Corporation. Retrieved from https://idiyas.com/company/columbia-gas-system-service

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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