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Oklahoma City, OK, United States of America

Kerr-Mcgee Refining Corporation

USPTO Granted Patents = 14

Trademarks = 4

Forward Citations = 338

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8 inventors (with patents filed for the assignee):

Stephen R Nelson (3 out of 6 patents)

Junior A Gearhart (3 out of 3 patents)

Jack W Roach (3 out of 3 patents)

4. Robert E Leonard (2 out of 19 patents)

5. Leo Garwin (2 out of 6 patents)

6. Roger A Baldwin (1 out of 22 patents)

7. Samuel W Harris (1 out of 1 patent)

8. Charles J Welsh (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 4666562 - Solvent recovery from solvent process material mixtures (1987-05-19),

2. 4508597 - Recovery of organic solvents from liquid mixtures (1985-04-02),

3. 4502944 - Fractionation of heavy hydrocarbon process material (1985-03-05),

4. 4479875 - Inlet distributor for liquid-liquid separators (1984-10-30),

5. 4395385 - Process for removing hydrogen sulfide from sour gas streams (1983-07-26),

6. 4389302 - Process for vis-breaking asphaltenes (1983-06-21),

7. 4315815 - Process for separating bituminous materials and recovering solvent (1982-02-16),

8. 4305814 - Energy efficient process for separating hydrocarbonaceous materials into (1981-12-15),

9. 4290880 - Supercritical process for producing deasphalted demetallized and (1981-09-22),

10. 4279739 - Process for separating bituminous materials (1981-07-21),

11. 4278529 - Process for separating bituminous materials with solvent recovery (1981-07-14),

12. 4273644 - Process for separating bituminous materials (1981-06-16),

13. 4239616 - Solvent deasphalting (1980-12-16),

14. 4125459 - Hydrocarbon solvent treatment of bituminous materials (1978-11-14),

Kerr-mcgee Refining Corporation is a leading oil and gas company, specializing in refining and processing of petroleum products. With a strong focus on environmental sustainability and safety, Kerr-mcgee is a trusted name in the industry, known for its high-quality products and efficient operations.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

14 Patents

#20 in Oklahoma City, OK

#100 in Oklahoma

#22,289 in US

#42,168 in the World

Oklahoma City, OK, United States of America

Kerr-Mcgee Refining Corporation

Forward Citations = 338

8 inventors:

Stephen R Nelson (3 out of 6 patents)

Junior A Gearhart (3 out of 3 patents)

Jack W Roach (3 out of 3 patents)

4. Robert E Leonard (2 out of 19 patents)

5. Leo Garwin (2 out of 6 patents)

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