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Pittsburgh, PA, United States of America

Gulf Research & Development Company

USPTO Granted Patents = 466

Forward Citations = 6,954

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190 inventors (with patents filed for the assignee):

Harold E Swift (60 out of 86 patents)

Johann G Schulz (55 out of 63 patents)

Thaddeus P Kobylinski (51 out of 67 patents)

4. Anatoli Onopchenko (41 out of 45 patents)

5. Edward T Sabourin (31 out of 37 patents)

6. Roger F Vogel (30 out of 42 patents)

7. Charles M Selwitz (30 out of 33 patents)

8. Wayne R Pretzer (28 out of 28 patents)

9. David L Beach (28 out of 28 patents)

10. John A Paraskos (23 out of 23 patents)

11. John E Bozik (21 out of 21 patents)

12. Angelo A Montagna (20 out of 20 patents)

13. Joel D McKinney (19 out of 19 patents)

14. James A Frayer (18 out of 18 patents)

15. Harold Beuther (17 out of 21 patents)

Core Competencies:

Cracking Catalyst

Synthesis Gas Conversion

Heavy Oil Hydroprocessing

Fluidized Bed Process

Coal Liquefaction

Olefin Oligomerization

Catalytic Supports

Hydrocarbon Processing

Polyamic Acids

Dinitrobenzophenones

Synthetic Hydrocarbon Oil

Ethanol Production

466 patents: Sort by Forward Citations

1. 4650564 - Process for cracking high metals content feedstocks (1987-03-17),

2. 4615996 - Dual function cracking catalyst (DFCC) composition (1986-10-07),

3. 4595777 - Silahydrocarbons from alkylchlorosilanes (1986-06-17),

4. 4585798 - Synthesis gas conversion using ruthenium-promoted cobalt catalyst (1986-04-29),

5. 4578497 - Tetraalkylsilane synthetic fluids (1986-03-25),

6. 4572791 - Production of saturated and unsaturated silahydrocarbon mixtures using (1986-02-25),

7. 4569749 - Coal liquefaction process (1986-02-11),

8. 4560800 - Isolation of m,m'-dinitrobenzophenone (1985-12-24),

9. 4560721 - Process for preparing an ether solution of polyamic acids and polyimide (1985-12-24),

10. 4558438 - Method and apparatus for dynamically displaying geo-physical information (1985-12-10),

11. 4557821 - Heavy oil hydroprocessing (1985-12-10),

12. 4547487 - Process for preparing catalysts (1985-10-15),

13. 4545943 - Fluidized bed process for producing acrylonitrile and catalytic mixture (1985-10-08),

14. 4529554 - Process for the preparation of nickel ylides containing ylide ligands (1985-07-16),

15. 4520120 - Vanadium passivation in a hydrocarbon catalytic cracking process (1985-05-28),

GRDC is a research and development company specializing in innovative technologies and solutions for multiple industries. With a focus on sustainable practices, GRDC aims to create high-impact innovations that positively impact the environment and society.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

466 Patents

#7 in Pittsburgh, PA

#38 in Pennsylvania

#985 in US

#1,980 in the World

Pittsburgh, PA, United States of America

Gulf Research & Development Company

Forward Citations = 6,954

190 inventors:

Harold E Swift (60 out of 86 patents)

Johann G Schulz (55 out of 63 patents)

Thaddeus P Kobylinski (51 out of 67 patents)

4. Anatoli Onopchenko (41 out of 45 patents)

5. Edward T Sabourin (31 out of 37 patents)

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