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For the Inventor, By the Inventor

South Jordan, UT, United States of America

Headwaters Heavy Oil, LLC


USPTO Granted Patents = 14



Forward Citations = 262

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14 inventors (with patents filed for the assignee):

goldMedal Roger Kai Lott (10 out of 20 patents)

silverMedal Lap-Keung Lee (7 out of 20 patents)

bronzeMedal Everette Harris (2 out of 3 patents)

4.  Jeffrey Gendler (2 out of 2 patents)

5.  Lap Keung Lee (2 out of 3 patents)

6.  Bing Zhou (2 out of 64 patents)

7.  Yu-Hwa Chang (1 out of 5 patents)

8.  He Qiu (1 out of 1 patent)

9.  Sukesh Parasher (1 out of 13 patents)

10.  Peter C Quinn (1 out of 1 patent)

11.  Jeffrey J Hare (1 out of 1 patent)

12.  Stephanie E Black (1 out of 1 patent)

13.  Kenneth R Johnson (1 out of 1 patent)

14.  N Stanley Harding (1 out of 1 patent)


14 patents:

1. 9969946 - Apparatus and systems for upgrading heavy oil using catalytic hydrocracking and thermal coking (2018-05-15),
2. 9920261 - Method for upgrading ebullated bed reactor and upgraded ebullated bed reactor (2018-03-20),
3. 9644157 - Methods and systems for upgrading heavy oil using catalytic hydrocracking and thermal coking (2017-05-09),
4. 9605215 - Systems for hydroprocessing heavy oil (2017-03-28),
5. 9403153 - Highly stable hydrocarbon-soluble molybdenum catalyst precursors and methods for making same (2016-08-02),
6. 8673130 - Method for efficiently operating an ebbulated bed reactor and an efficient ebbulated bed reactor (2014-03-18),
7. 8431016 - Methods for hydrocracking a heavy oil feedstock using an in situ colloidal or molecular catalyst and recycling the colloidal or molecular catalyst (2013-04-30),
8. 8309041 - Systems for increasing catalyst concentration in heavy oil and/or coal resid hydrocracker (2012-11-13),
9. 8303802 - Methods for hydrocracking a heavy oil feedstock using an in situ colloidal or molecular catalyst and recycling the colloidal or molecular catalyst (2012-11-06),
10. 7815870 - Ebullated bed hydroprocessing systems (2010-10-19),
11. 7578928 - Hydroprocessing method and system for upgrading heavy oil using a colloidal or molecular catalyst (2009-08-25),
12. 7517446 - Fixed bed hydroprocessing methods and systems and methods for upgrading an existing fixed bed system (2009-04-14),
13. 7449103 - Ebullated bed hydroprocessing methods and systems and methods of upgrading an existing ebullated bed system (2008-11-11),
14. 7357903 - Method for reducing NOx during combustion of coal in a burner (2008-04-15),
Headwaters Heavy Oil, LLC is a leading energy production company focused on the extraction, production, and refinement of heavy oil resources. With cutting-edge technologies and innovative strategies, we specialize in the development of unconventional heavy oil reserves. Our dedicated team of oil and gas professionals is committed to maximizing the value of these resources while adhering to the highest environmental and safety standards. Explore our website to learn more about our operations and the sustainable energy solutions we offer.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

14 Patents

#12 in South Jordan, UT

#253 in Utah

#21,638 in US

#40,936 in the World

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South Jordan, UT, United States of America

Headwaters Heavy Oil, LLC

Forward Citations = 262

14 inventors:

goldMedal Roger Kai Lott (10 out of 20 patents)

silverMedal Lap-Keung Lee (7 out of 20 patents)

bronzeMedal Everette Harris (2 out of 3 patents)

4.  Jeffrey Gendler (2 out of 2 patents)

5.  Lap Keung Lee (2 out of 3 patents)

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