Forward Citations = 131

Loading Chart...

11 inventors (with patents filed for the assignee):

Norman C Samish (1 out of 6 patents)

Jack B Pohlenz (1 out of 2 patents)

Arthur W Nelson (1 out of 1 patent)

4. James H Ragland (1 out of 1 patent)

5. Paul B Ritter (1 out of 3 patents)

6. James W Groman (1 out of 1 patent)

7. Thomas J Rancudo, Jr (1 out of 1 patent)

8. Charles A Leech, Iii (1 out of 1 patent)

9. Franciscus J Van Mierlo (1 out of 1 patent)

10. Robert L Harrigal (1 out of 1 patent)

11. John D Houghton (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 4730577 - Steam generator for thermal recovery system (1988-03-15),

2. 4690221 - Well tubing hanger method and apparatus for use in well control (1987-09-01),

3. 4619326 - Liner hanger with brass packer (1986-10-28),

4. 4615392 - Recovering oil by injecting hot CO.sub.2 into a reservoir containing (1986-10-07),

5. 4521388 - NO.sub.x reduction in flue gas (1985-06-04),

6. 4505297 - Steam distribution manifold (1985-03-19),

7. 4474011 - Once-through steam generator (1984-10-02),

Company Overview

Shell California Production Inc. is a subsidiary of Royal Dutch Shell that focuses on oil and gas exploration, production, and refining in California. With a strong commitment to safety and sustainability, Shell California Production Inc. strives to provide reliable energy solutions to the region while minimizing environmental impact.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

7 Patents

#630 in Houston, TX

#2,551 in Texas

#39,879 in US

Houston, TX, United States of America

Shell California Production Inc.

Forward Citations = 131

11 inventors:

Norman C Samish (1 out of 6 patents)

Jack B Pohlenz (1 out of 2 patents)

Arthur W Nelson (1 out of 1 patent)

4. James H Ragland (1 out of 1 patent)

5. Paul B Ritter (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Shell California Production Inc.. Retrieved from https://idiyas.com/company/shell-california-production

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]