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Chicago, IL, United States of America

Greatpoint Energy, Inc.

USPTO Granted Patents = 46

Forward Citations = 689

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25 inventors (with patents filed for the assignee):

Earl Robinson (24 out of 24 patents)

Pattabhi K Raman (23 out of 23 patents)

Avinash Sirdeshpande (14 out of 15 patents)

4. Alkis S Rappas (9 out of 11 patents)

5. Kenneth Keckler (6 out of 10 patents)

6. Robert A Spitz (6 out of 6 patents)

7. Vincent G Reiling (6 out of 6 patents)

8. Francis Sikming Lau (5 out of 8 patents)

9. Nicholas Charles Nahas (5 out of 25 patents)

10. George Frederick Salem (4 out of 17 patents)

11. Edwin J Hippo (4 out of 4 patents)

12. Donald Anthony (2 out of 2 patents)

13. Nelson Yee (2 out of 2 patents)

14. Jeffery Smith (2 out of 2 patents)

15. Charles Mims (2 out of 2 patents)

Core Competencies:

Catalytic Gasification

Hydromethanation

Carbon Utilization

Low-Rank Coal

Methanol Production

Biomass Feedstocks

Enhanced Oil Recovery

Gasification Processes

Methane Separation

Syngas-Derived Products

Char Methanation Catalyst

Steam Generation

46 patents: Sort by Forward Citations

1. 10464872 - Catalytic gasification to produce methanol (2019-11-05),

2. 10435637 - Hydromethanation of a carbonaceous feedstock with improved carbon utilization and power generation (2019-10-08),

3. 10344231 - Hydromethanation of a carbonaceous feedstock with improved carbon utilization (2019-07-09),

4. 9353322 - Hydromethanation of a carbonaceous feedstock (2016-05-31),

5. 9328920 - Use of contaminated low-rank coal for combustion (2016-05-03),

6. 9273260 - Agglomerated particulate low-rank coal feedstock and uses thereof (2016-03-01),

7. 9234149 - Steam generating slurry gasifier for the catalytic gasification of a carbonaceous feedstock (2016-01-12),

8. 9127221 - Hydromethanation of a carbonaceous feedstock (2015-09-08),

9. 9034061 - Agglomerated particulate low-rank coal feedstock and uses thereof (2015-05-19),

10. 9034058 - Agglomerated particulate low-rank coal feedstock and uses thereof (2015-05-19),

11. 9012524 - Hydromethanation of a carbonaceous feedstock (2015-04-21),

12. 8999020 - Processes for the separation of methane from a gas stream (2015-04-07),

13. 8748687 - Hydromethanation of a carbonaceous feedstock (2014-06-10),

14. 8734548 - Processes for preparing a catalyzed coal particulate (2014-05-27),

15. 8734547 - Processes for preparing a catalyzed carbonaceous particulate (2014-05-27),

GreatPoint Energy is a privately held clean energy company that utilizes a patented catalytic hydromethanation process to convert coal, natural gas, and biomass into natural gas while capturing carbon dioxide emissions. Their patented technology enables cleaner energy production and reduction of greenhouse gas emissions.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

46 Patents

#102 in Chicago, IL

#407 in Illinois

#7,334 in US

#14,689 in the World

Chicago, IL, United States of America

Greatpoint Energy, Inc.

Forward Citations = 689

25 inventors:

Earl Robinson (24 out of 24 patents)

Pattabhi K Raman (23 out of 23 patents)

Avinash Sirdeshpande (14 out of 15 patents)

4. Alkis S Rappas (9 out of 11 patents)

5. Kenneth Keckler (6 out of 10 patents)

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