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For the Inventor, By the Inventor

Sugar Land, TX, United States of America

Fluor Corporation


USPTO Granted Patents = 49

% Expired Patents = 12.2



Trademarks = 16

Forward Citations = 1,002

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79 inventors (with patents filed for the assignee):

goldMedal Ashok D Rao (5 out of 7 patents)

silverMedal John Mak (4 out of 88 patents)

bronzeMedal Steven W Stupin (4 out of 11 patents)

4.  Leslie P Antalffy (4 out of 12 patents)

5.  Samuel A Martin (4 out of 10 patents)

6.  Michael B Knowles (4 out of 10 patents)

7.  Robert W Kuskie (4 out of 6 patents)

8.  Garry E Jacobs (4 out of 13 patents)

9.  Frank L Landon (3 out of 3 patents)

10.  Satish Reddy (2 out of 27 patents)

11.  Ravi Ravikumar (2 out of 20 patents)

12.  Richard B Nielsen (2 out of 10 patents)

13.  D Dwight Brayton (2 out of 6 patents)

14.  Douglas E Nelson (2 out of 4 patents)

15.  David W Malek (2 out of 4 patents)


Core Competencies:
Gas Processing
Hydrogen Recovery
Nitrogen Rejection
Energy Production
Flotation Process
Vapor Recovery
Gasification
Coke Drum System
Cryogenic Expander
Sulfur Recovery
Electrode Manufacturing
LNG Production

49 patents:

1. 9492786 - Multi-purpose absorber (2016-11-15),
2. 9487458 - Configurations and methods for nitrogen rejection, LNG and NGL production from high nitrogen feed gases (2016-11-08),
3. 9457423 - Friction stir welding devices and methods for tandem tool and anvil (2016-10-04),
4. 9440181 - Back-up configurations and method for sulfuric acid plants (2016-09-13),
5. 9433893 - Configurations and methods for advanced oxygen enrichment for sulfur recovery (2016-09-06),
6. 9410737 - NGL recovery methods and configurations (2016-08-09),
7. 7162385 - Control system simulation, testing, and operator training (2007-01-09),
8. 6881387 - Reactor distribution apparatus and quench zone mixing apparatus (2005-04-19),
9. 6837070 - High propane recovery process and configurations (2005-01-04),
10. 6823280 - Control system simulation, testing, and operator training (2004-11-23),
11. 6800120 - Split-flow process and apparatus (2004-10-05),
12. 6746201 - Bundle puller with adjustable length carriage frame (2004-06-08),
13. 6648931 - Configuration and process for gasification of carbonaceous materials (2003-11-18),
14. 6601406 - Methods and apparatus for high propane recovery (2003-08-05),
15. 6551380 - Recovery of CO2 and H2 from PSA offgas in an H2 plant (2003-04-22),
Company Overview
Fluor Corporation, headquartered in Sugar Land, Texas, is a global leader in engineering and construction services. The company specializes in a diverse range of technologies including multi-purpose absorbers, nitrogen rejection systems, and friction stir welding. Fluor is also known for its expertise in sulfuric acid plants, oxygen enrichment, and natural gas liquids recovery. With a strong focus on innovation, Fluor develops advanced control system simulations and gasification processes, serving various industries worldwide.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Fluor Corporation USPTO Patent Assignee Logo
49 Patents

#8 in Sugar Land, TX

#388 in Texas

#7,142 in US

#14,277 in the World

Sugar Land, TX (US)
Sugar Land, TX, United States of America

Fluor Corporation

Forward Citations = 1,002

79 inventors:

goldMedal Ashok D Rao (5 out of 7 patents)

silverMedal John Mak (4 out of 88 patents)

bronzeMedal Steven W Stupin (4 out of 11 patents)

4.  Leslie P Antalffy (4 out of 12 patents)

5.  Samuel A Martin (4 out of 10 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Fluor Corporation. Retrieved from https://idiyas.com/company/fluor

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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