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Denver, CO, United States of America

Range Fuels, Inc.

USPTO Granted Patents = 9

% Expired Patents = 77.8

Forward Citations = 189

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17 inventors (with patents filed for the assignee):

Ronald C Stites (3 out of 6 patents)

Shakeel H Tirmizi (3 out of 12 patents)

Robert E Klepper (3 out of 6 patents)

4. Francis Michael Ferraro (2 out of 6 patents)

5. Arie Geertsema (2 out of 2 patents)

6. Karl C Kharas (2 out of 27 patents)

7. William Bryan Schafer, Iii (1 out of 13 patents)

8. Jesse Hensley (1 out of 7 patents)

9. Jerrod Wayne Hohman (1 out of 8 patents)

10. Richard Ridley (1 out of 2 patents)

11. David T Gallaspy (1 out of 1 patent)

12. Jason P Durand (1 out of 5 patents)

13. Mitchell Mandich (1 out of 1 patent)

14. George Meitzner (1 out of 2 patents)

15. Heinz Juergen Robota (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 8648226 - Process for producing renewable gasoline, and fuel compositions produced therefrom (2014-02-11),

2. 8366796 - Modular and distributed methods and systems to convert biomass to syngas (2013-02-05),

3. 8153027 - Methods for producing syngas (2012-04-10),

4. 8142530 - Methods and apparatus for producing syngas and alcohols (2012-03-27),

5. 8110522 - Methods for promoting syngas-to-alcohol catalysts (2012-02-07),

6. 8026290 - Methods and apparatus for continuous removal of carbon dioxide from a mixture of reacting gases (2011-09-27),

7. 7923405 - Cobalt-molybdenum sulfide catalyst materials and methods for ethanol production from syngas (2011-04-12),

8. 7919070 - Multi-zone reforming methods and apparatus for conversion of devolatilized biomass to syngas (2011-04-05),

9. 7884253 - Methods and apparatus for selectively producing ethanol from synthesis gas (2011-02-08),

Range Fuels, Inc. is a leading renewable biofuels company that specializes in converting biomass into cellulosic ethanol. Their innovative technology allows for the production of sustainable biofuels, reducing greenhouse gas emissions and promoting a cleaner energy future. With a commitment to environmental stewardship and sustainable practices, Range Fuels is driving the transition to a more sustainable energy industry.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

9 Patents

#109 in Denver, CO

#694 in Colorado

#32,563 in US

Denver, CO, United States of America

Range Fuels, Inc.

Forward Citations = 189

17 inventors:

Ronald C Stites (3 out of 6 patents)

Shakeel H Tirmizi (3 out of 12 patents)

Robert E Klepper (3 out of 6 patents)

4. Francis Michael Ferraro (2 out of 6 patents)

5. Arie Geertsema (2 out of 2 patents)

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