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Grand Junction, CO, United States of America

Occidental Oil Shale, Inc.

USPTO Granted Patents = 157

Forward Citations = 2,774

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49 inventors (with patents filed for the assignee):

Thomas E Ricketts (41 out of 41 patents)

Chang Y Cha (31 out of 43 patents)

Robert S Burton, Iii (19 out of 24 patents)

4. Richard D Ridley (19 out of 25 patents)

5. Gordon B French (18 out of 22 patents)

6. Ned M Hutchins (12 out of 12 patents)

7. Irving G Studebaker (7 out of 7 patents)

8. William J Bartel (5 out of 7 patents)

9. Leslie E Compton (4 out of 13 patents)

10. Harry E McCarthy (3 out of 5 patents)

11. Carlon C Chambers (3 out of 4 patents)

12. Robert J Fernandes (3 out of 3 patents)

13. Donald E Garrett (2 out of 8 patents)

14. James S Kilburn (2 out of 3 patents)

15. Randall T Chew, Iii (2 out of 2 patents)

Core Competencies:

In Situ Oil Shale Retort

Shale Oil Upgrading

Horizontal Free Face Blasting

Controlled Permeability

Explosive Expansion

Void Fraction Distribution

Two-Level Mining System

Gas Seal Techniques

Rubble Bed Formation

Seismic Control Methods

Oil Shale Retorting Process

Underground Stability Control

157 patents: Sort by Forward Citations

1. 4623444 - Upgrading shale oil by a combination process (1986-11-18),

2. 4611856 - Two-level, horizontal free face mining system for in situ oil shale (1986-09-16),

3. 4605489 - Upgrading shale oil by a combination process (1986-08-12),

4. 4595056 - Method for fully retorting an in situ oil shale retort (1986-06-17),

5. 4560206 - Method for explosively expanding a pillar (1985-12-24),

6. 4560205 - Method for control of geometry of fragmented mass in an situ oil shale (1985-12-24),

7. 4552409 - In situ oil shale retort with controlled permeability for uniform flow (1985-11-12),

8. 4533181 - Method for forming uniform flow rubble bed (1985-08-06),

9. 4531783 - Stability control in underground workings adjacent an in situ oil shale (1985-07-30),

10. 4513665 - Method for loading explosive charges into blastholes formed in a (1985-04-30),

11. 4489983 - Blasthole spacing for control of particle size (1984-12-25),

12. 4466668 - Method of forming an in situ oil shale retort in formation with joints (1984-08-21),

13. 4458948 - Horizontal free face blasting for minimizing channeling and mounding in (1984-07-10),

14. 4458944 - Formation of in situ oil shale retort in plural steps (1984-07-10),

15. 4453769 - In situ oil shale retort having horizontal voids with side pillars (1984-06-12),

Occidental Oil Shale, Inc. is a global energy company focused on exploration and production of oil and gas resources. With operations in multiple countries, Occidental Oil Shale utilizes advanced technologies to extract oil and gas from shale formations. The company is committed to sustainability, safety, and responsible resource management.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

157 Patents

#1 in Grand Junction, CO

#43 in Colorado

#2,443 in US

#5,102 in the World

Grand Junction, CO, United States of America

Occidental Oil Shale, Inc.

Forward Citations = 2,774

49 inventors:

Thomas E Ricketts (41 out of 41 patents)

Chang Y Cha (31 out of 43 patents)

Robert S Burton, Iii (19 out of 24 patents)

4. Richard D Ridley (19 out of 25 patents)

5. Gordon B French (18 out of 22 patents)

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