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Pittsburgh, PA, United States of America

Gulf Oil Corporation

USPTO Granted Patents = 232

Trademarks = 40

Forward Citations = 3,424

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145 inventors (with patents filed for the assignee):

Pallavoor R Lakshmanan (24 out of 39 patents)

Joel L Kirkpatrick (21 out of 23 patents)

William J Heilman (16 out of 43 patents)

4. Natu R Patel (14 out of 15 patents)

5. Jerry L Rutter (13 out of 17 patents)

6. Bruce K Schmid (12 out of 14 patents)

7. Thomas J Lynch (11 out of 20 patents)

8. James H Rea (11 out of 11 patents)

9. Khalid A Karim (10 out of 10 patents)

10. Loren W Hedrich (9 out of 11 patents)

11. Clarence R Murphy (9 out of 9 patents)

12. Vikramkumar Acharya (8 out of 8 patents)

13. Roger P Cahoy (7 out of 12 patents)

14. Charles W Matthews (7 out of 11 patents)

15. Robert J Rowatt (7 out of 9 patents)

Core Competencies:

Cement Compositions

Oil Shale Retorting

Hydraulic Packer Assembly

Polymerization Catalysts

Plant Growth Regulators

Fluid Bed Retorting

Hot Melt Adhesives

Polyimide Acids

Aromatic Polyimide

Explosives Production

Selective Herbicides

Composite Polymer Films

232 patents: Sort by Forward Citations

1. 4573534 - Cement compositions and method of cementing casing in a well (1986-03-04),

2. 4552214 - Pulsed in situ retorting in an array of oil shale retorts (1985-11-12),

3. 4548702 - Shale oil stabilization with a hydroprocessor (1985-10-22),

4. 4544477 - Polar solvent extraction and dedusting process (1985-10-01),

5. 4535115 - Method of preparation of polyimide acids (1985-08-13),

6. 4529497 - Disposal of spent oil shale and other materials (1985-07-16),

7. 4526229 - Hydraulic packer assembly (1985-07-02),

8. 4525557 - Catalyst and process for the polymerization of ethylene (1985-06-25),

9. 4524171 - Preparation of an aromatic polyimide acid by solution polymerization (1985-06-18),

10. 4507055 - System for automatically controlling intermittent pumping of a well (1985-03-26),

11. 4500661 - Adhesive composition (1985-02-19),

12. 4495056 - Oil shale retorting and retort water purification process (1985-01-22),

13. 4475965 - Shale oil explosives (1984-10-09),

14. 4474629 - Oil shale retorting process for producing explosives (1984-10-02),

15. 4464994 - Apparatus for plugging a blast hole in an in situ oil shale retort or (1984-08-14),

Gulf Oil Corporation is a renowned energy company that specializes in the exploration, production, refinement, and distribution of petroleum products worldwide. With a rich heritage dating back to its establishment in 1901, Gulf Oil has emerged as a trusted provider of high-quality fuels, lubricants, and related services. Committed to meeting the growing energy needs of customers, Gulf Oil continues to innovate and expand its operations while upholding environmental sustainability and safety standards.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

232 Patents

#9 in Pittsburgh, PA

#68 in Pennsylvania

#1,735 in US

#3,579 in the World

Pittsburgh, PA, United States of America

Gulf Oil Corporation

Forward Citations = 3,424

145 inventors:

Pallavoor R Lakshmanan (24 out of 39 patents)

Joel L Kirkpatrick (21 out of 23 patents)

William J Heilman (16 out of 43 patents)

4. Natu R Patel (14 out of 15 patents)

5. Jerry L Rutter (13 out of 17 patents)

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