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Indian Oil Corporation Limited

USPTO Granted Patents = 249

CIPO Patents = 3

EPO Patents = 97

Trademarks = 2

Forward Citations = 471

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395 inventors (with patents filed for the assignee):

Sankara Sri Venkata Ramakumar (120 out of 121 patents)

Gurpreet Singh Kapur (56 out of 56 patents)

Debasis Bhattacharyya (52 out of 53 patents)

4. Madhusudan Sau (52 out of 53 patents)

5. Brijesh Kumar (41 out of 43 patents)

6. Suresh Kumar Puri (38 out of 39 patents)

7. Ravinder Kumar Malhotra (37 out of 38 patents)

8. Sanjiv Kumar Mazumdar (31 out of 32 patents)

9. Satyen Kumar Das (30 out of 31 patents)

10. Santanam Rajagopal (26 out of 26 patents)

11. Biswapriya Das (24 out of 24 patents)

12. Ponoly Ramachandran Pradeep (23 out of 24 patents)

13. Deepak Kumar Tuli (22 out of 30 patents)

14. Ravi Prakash Gupta (22 out of 22 patents)

15. Mohan Prabhu Kuvettu (22 out of 24 patents)

Core Competencies:

Needle Coke

Electrobiocatalysis

Hydrocarbon Conversion

Microbial Synthesis

Biogas Production

Catalyst Composition

Hydrogen Production

Polymerization Process

Petrochemical Synthesis

CO2 Conversion

Aromatic Hydrocarbons

Biodegradable Plastics

249 patents: Sort by Forward Citations

1. 12492159 - Method for producing levulinic acid (2025-12-09),

2. 12480056 - Process for production of Needle coke and aromatics (2025-11-25),

3. 12454498 - Process and catalyst system for conversion of C6 aromatics to higher aromatics (2025-10-28),

4. 12421615 - Engineered electrode for electrobiocatalysis and process to construct the same (2025-09-23),

5. 12398330 - Process for isomerization of C—Chydrocarbons in light naphtha range (2025-08-26),

6. 12334612 - Method and a device for operating PEM fuel cell with CO contaminated hydrogen gas (2025-06-17),

7. 12318729 - Enzymatic phase transfer solvent for CO/HS capture (2025-06-03),

8. 12305163 - Microbial consortium for enhancing the methane production from feedstock (2025-05-20),

9. 12305154 - Process for microbial synthesis and an apparatus thereof (2025-05-20),

10. 12287097 - Kitchen-connected indoor stationary solar cooking device (2025-04-29),

11. 12252726 - Process for simultaneous production of citric acid and cellulolytic enzymes (2025-03-18),

12. 12252656 - Additive composition for enhanced stability of oxygenated gasoline (2025-03-18),

13. 12252576 - Process and catalyst composition for producing linear alpha olefins in high yield by ethylene oligomerization (2025-03-18),

14. 12241030 - Additized DME/LPG fuel for improving combustion efficiency (2025-03-04),

15. 12168762 - Process for production of enriched algal biomass (2024-12-17),

Indian Oil Corporation Limited (IOCL) is a leading oil and gas company in India. It is a Fortune Global 500 company and the largest commercial enterprise in the country. IOCL is involved in refining, marketing, and transportation of petroleum products. The company operates numerous refineries, pipelines, and fuel stations across India, making it a key player in the energy sector.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

249 Patents

#2 in Mumbai

#6 in India

#3,375 in the World

Indian Oil Corporation Limited

Forward Citations = 471

395 inventors:

Sankara Sri Venkata Ramakumar (120 out of 121 patents)

Gurpreet Singh Kapur (56 out of 56 patents)

Debasis Bhattacharyya (52 out of 53 patents)

4. Madhusudan Sau (52 out of 53 patents)

5. Brijesh Kumar (41 out of 43 patents)

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