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For the Inventor, By the Inventor

Houston, TX, United States of America

Kellogg Brown + Root LLC

USPTO Granted Patents = 239

% Expired Patents = 4.6



Trademarks = 52

Forward Citations = 2,357

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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
Alkylation
Olefins Recovery
Ammonia Production
Catalysts
Reactor Systems
Distillation
Gasification
Coker Units
Isomerization
Subsea Systems

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),
Company Overview
Kellogg Brown + Root LLC, headquartered in Houston, TX, specializes in hydrocarbon processing technologies. The company focuses on the development and implementation of advanced processes such as hydrogenation, alkylation, and olefins recovery, alongside ammonia production. KBR is recognized for its expertise in catalysts, reactor systems, and distillation techniques, contributing significantly to the efficiency and sustainability of energy production. Its innovative solutions support various sectors within the hydrocarbon industry, enhancing operational performance globally.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Kellogg Brown + Root LLC USPTO Patent Assignee Logo
239 Patents

#39 in Houston, TX

#105 in Texas

#1,773 in US

#3,612 in the World

Houston, TX (US)
Houston, TX, United States of America

Kellogg Brown + Root LLC

Forward Citations = 2,357

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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kellogg Brown + Root LLC. Retrieved from https://idiyas.com/company/kellogg-brown-plus-root

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]
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