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For the Inventor, By the Inventor

Houston, TX, United States of America

Kellogg Brown + Root LLC


USPTO Granted Patents = 239



Trademarks = 59

Forward Citations = 2,300

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240 inventors (with patents filed for the assignee):

goldMedal Shashi Prakash Singh (13 out of 13 patents)

silverMedal Phillip Kent Niccum (13 out of 18 patents)

bronzeMedal Avinash Malhotra (12 out of 12 patents)

4.  Siva Ariyapadi (11 out of 11 patents)

5.  Rian Reyneke (10 out of 16 patents)

6.  John Abughazaleh (10 out of 10 patents)

7.  David P Mann (10 out of 13 patents)

8.  Anand Subramanian (10 out of 11 patents)

9.  Michael Tallman (9 out of 9 patents)

10.  Rashid Iqbal (9 out of 9 patents)

11.  John Christian Hartley Mungall (9 out of 10 patents)

12.  Vijender Kumar Verma (8 out of 12 patents)

13.  Robert Burlingame (8 out of 8 patents)

14.  Richard D'Souza (7 out of 7 patents)

15.  Alok Srivastava (7 out of 22 patents)


Core Competencies:
Hydrogenation
Marine Vessel
Integrated Steam Generator
Dividing Wall Column
Light Olefins Recovery
Autonomous Subsea Tieback
Slurry Phase Reactor
Catalyst Production
Thermal Oxidation
Propylene Recovery
Mixed Metal Oxide Catalyst
Urea Production

239 patents:

1. 12415963 - Hydrogenation of acetylenes in a hydrocarbon stream (2025-09-16),
2. 12372207 - Marine vessel comprising LG handling system (2025-07-29),
3. 12358803 - Integrated steam generator and superheater with process gas in ammonia synloop (2025-07-15),
4. 12312289 - Dividing wall column in alkylation process for reactor recycle and product separation (2025-05-27),
5. 12304887 - Recovery of light olefins from dry hydrocarbon gas from refinery and petrochemical production processes for production of alkylate (2025-05-20),
6. 12258313 - Thermally coupled distillation scheme for purification of cumene (2025-03-25),
7. 12220693 - Reactor system for saturated C3-C6 hydrocarbon dehydrogenation (2025-02-11),
8. 12180429 - On-site solvent generation and makeup for tar solvation in an olefin plant (2024-12-31),
9. 12180154 - Upgrading streams comprising Cand Chydrocarbons (2024-12-31),
10. 12168638 - Dimerization of cyclopentadiene from side stream from debutanizer (2024-12-17),
11. 12152206 - Debottleneck solution for delayed Coker unit (2024-11-26),
12. 12049798 - Autonomous subsea tieback enabling platform (2024-07-30),
13. 12048923 - Slurry phase reactor with internal cyclones (2024-07-30),
14. 12037553 - Hydrogenation of acetylenes in a hydrocarbon stream (2024-07-16),
15. 11958046 - Methods and systems for alkylate production involving a multi-zone alkylation reactor (2024-04-16),
Kellogg Brown & Root LLC (KBR) is a global engineering and construction company that provides a wide range of services in various sectors, including oil and gas, petrochemicals, and government services. With a strong focus on innovation and sustainability, KBR delivers integrated solutions that enhance operational efficiency and project delivery. The company has a rich history dating back to the 1900s and has evolved to meet the changing needs of its clients worldwide. KBR is committed to safety, quality, and integrity in all its operations, making it a trusted partner in complex projects.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 13 2026

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239 Patents

#40 in Houston, TX

#96 in Texas

#1,696 in US

#3,495 in the World

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Houston, TX, United States of America

Kellogg Brown + Root LLC

Forward Citations = 2,300

240 inventors:

goldMedal Shashi Prakash Singh (13 out of 13 patents)

silverMedal Phillip Kent Niccum (13 out of 18 patents)

bronzeMedal Avinash Malhotra (12 out of 12 patents)

4.  Siva Ariyapadi (11 out of 11 patents)

5.  Rian Reyneke (10 out of 16 patents)

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