For the Inventor, By the Inventor

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San Francisco, CA, United States of America

Bechtel Group, Inc.

USPTO Granted Patents = 32

Trademarks = 13

Forward Citations = 347

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38 inventors (with patents filed for the assignee):

Richard B Greenwalt (13 out of 18 patents)

August D Benz (3 out of 5 patents)

Robert Geosits (3 out of 3 patents)

4. Charles L Kimtantas (2 out of 10 patents)

5. Charles R Brown (2 out of 3 patents)

6. Robert K Bates (2 out of 2 patents)

7. Chris L Pfalzgraff (2 out of 2 patents)

8. Christopher C Rayner (2 out of 2 patents)

9. William P Imrie (2 out of 2 patents)

10. Michael R Nees (2 out of 2 patents)

11. James A Murray (2 out of 5 patents)

12. Valmer H Ness (2 out of 2 patents)

13. Terrance J Cox (2 out of 2 patents)

14. Narasimha Kudlu (1 out of 2 patents)

15. Fariborz M Bzorgi (1 out of 2 patents)

Core Competencies:

Sulfur Recovery

Liquid Iron Production

Hydrogen Sulfide Purification

Steel Making

Fuel Cell Thermal Integration

Waste Material Processing

Iron Making

Hydrocarbon Recovery

Geothermal Reboiler

Sewage Sludge Dewatering

Flue Gas Desulfurization

Hazardous Waste Containment

32 patents: Sort by Forward Citations

1. 7374742 - Direct sulfur recovery system (2008-05-20),

2. 6197088 - Producing liquid iron having a low sulfur content (2001-03-06),

3. 6196151 - Device and method for an independent module offshore mobile base (2001-03-06),

4. 5989414 - Self-adjusting surface fluid extraction nozzle (1999-11-23),

5. 5686056 - Methods and apparatus for purifying hydrogen sulfide (1997-11-11),

6. 5630862 - Method of providing fuel for an iron making process (1997-05-20),

7. 5609738 - Electrode cap with integral tank cover for acid mist collection (1997-03-11),

8. 5596704 - Process flow diagram generator (1997-01-21),

9. 5558696 - Method of direct steel making from liquid iron (1996-09-24),

10. 5518828 - Thermal integration of an air-cooled fuel cell stack (1996-05-21),

11. 5470445 - Electrode cap with integral tank cover for acid mist collection (1995-11-28),

12. 5470375 - Method of processing waste material containing non ferrous metal oxides (1995-11-28),

13. 5429658 - Method of making iron from oily steel and iron ferrous waste (1995-07-04),

14. 5413622 - Method of making hot metals with totally recycled gas (1995-05-09),

15. 5397376 - Method of providing fuel for an iron making process (1995-03-14),

Bechtel Group, Inc. is a leading global engineering, construction, and project management company headquartered in San Francisco, California. The organization specializes in delivering complex infrastructure projects across various sectors, including energy, transportation, and water. With a strong focus on innovation and sustainability, Bechtel employs advanced technologies and methodologies to enhance project efficiency and safety. Its extensive experience spans multiple continents, making it a key player in shaping the built environment worldwide.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

Bechtel Group, Inc.

32 Patents

#148 in San Francisco, CA

#2,532 in California

#10,593 in US

#20,660 in the World

San Francisco, CA, United States of America

Bechtel Group, Inc.

Forward Citations = 347

38 inventors:

Richard B Greenwalt (13 out of 18 patents)

August D Benz (3 out of 5 patents)

Robert Geosits (3 out of 3 patents)

4. Charles L Kimtantas (2 out of 10 patents)

5. Charles R Brown (2 out of 3 patents)

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