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Pittsburgh, PA, United States of America

Consolidation Coal Company

USPTO Granted Patents = 59

Trademarks = 1

Forward Citations = 604

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52 inventors (with patents filed for the assignee):

Will B Jamison (9 out of 9 patents)

Hayward B Oblad (6 out of 6 patents)

Michael G Nelson (6 out of 7 patents)

4. George E Wasson (5 out of 14 patents)

5. Francis A May (5 out of 5 patents)

6. Gary F Meenan (4 out of 4 patents)

7. Stephen L Bessinger (4 out of 4 patents)

8. John F Burr (4 out of 4 patents)

9. Everett Gorin (4 out of 34 patents)

10. William A Jasulaitis (3 out of 5 patents)

11. David R Hazen (3 out of 4 patents)

12. Frank W Theodore (3 out of 10 patents)

13. Richard E Doerr (3 out of 13 patents)

14. Ahmed A El-Saie (3 out of 7 patents)

15. Peter F Singleton (2 out of 3 patents)

Core Competencies:

Synthetic Aggregates

Flue Gas Treatment

Longwall Mining

Froth Flotation

Coal Cleaning

Dewatering Techniques

Mining Machinery

Thermal Dryer Control

Electrical Circuitry

Agglomeration Processes

Conveyor Systems

Separation Measurement

59 patents: Sort by Forward Citations

1. 5364572 - Process for making high-strength synthetic aggregates (1994-11-15),

2. 5210595 - Solids concentration detector (1993-05-11),

3. 5185935 - Method and apparatus for separation measurement and alignment system (1993-02-16),

4. 5071629 - Recycling catalyst bed for flue gas treatment (1991-12-10),

5. 5020860 - Methods and apparatus for maintaining longwall face alignment (1991-06-04),

6. 5013091 - Method of indirect measurement of cowl position on a longwall shearer (1991-05-07),

7. 5011595 - Combination feedforward-feedback froth flotation cell control system (1991-04-30),

8. 5009856 - Recycling catalyst bed for flue gas treatment (1991-04-23),

9. 5006231 - Flocculant control system (1991-04-09),

10. 4981327 - Method and apparatus for sensing coal-rock interface (1991-01-01),

11. 4969691 - Method and apparatus permitting beltway advance in a mining scheme (1990-11-13),

12. 4957405 - Apparatus for mining (1990-09-18),

13. 4950908 - Flocculant control system (1990-08-21),

14. 4884847 - Apparatus and method for mapping entry conditions in remote mining (1989-12-05),

15. 4865390 - Continuous mining machine with roof supporting apparatus and method for (1989-09-12),

Consol Energy is a leading American energy company with a rich history in the coal industry. Formerly known as Consolidation Coal Company, we have been in operation since 1860. Today, our focus is on responsibly producing and marketing coal, natural gas, and natural gas liquids. With a commitment to safety, sustainability, and innovation, we strive to meet the energy demands of the present while building a sustainable future.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

59 Patents

#38 in Pittsburgh, PA

#225 in Pennsylvania

#5,862 in US

#11,820 in the World

Pittsburgh, PA, United States of America

Consolidation Coal Company

Forward Citations = 604

52 inventors:

Will B Jamison (9 out of 9 patents)

Hayward B Oblad (6 out of 6 patents)

Michael G Nelson (6 out of 7 patents)

4. George E Wasson (5 out of 14 patents)

5. Francis A May (5 out of 5 patents)

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