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Hindustan Petroleum Corporation Limited

USPTO Granted Patents = 66

% Expired Patents = 28.8

CIPO Patents = 5

EPO Patents = 30

Forward Citations = 35

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105 inventors (with patents filed for the assignee):

Nettem Venkateswarlu Choudary (18 out of 18 patents)

Sriganesh Gandham (17 out of 17 patents)

Raman Ravishankar (17 out of 18 patents)

4. Peddy Venkata Chalapathi Rao (13 out of 13 patents)

5. Venkateswarlu Choudary Nettem (12 out of 17 patents)

6. Peddy Venkat Chalapathi Rao (10 out of 11 patents)

7. Kanuparthy Naga Raja (10 out of 10 patents)

8. Gandham Sriganesh (8 out of 8 patents)

9. Bhavesh Sharma (8 out of 8 patents)

10. Naresh Kottari (8 out of 8 patents)

11. Pramod Kumar (7 out of 15 patents)

12. Venkata Chalapathi Rao Peddy (7 out of 7 patents)

13. Ramkumar Mangala (7 out of 7 patents)

14. Valavarasu Gnanasekaran (7 out of 7 patents)

15. Sri Ganesh Gandham (7 out of 7 patents)

Core Competencies:

Fluid Catalytic Cracking

Catalyst Composition

Hydrocarbon Upgradation

Hydrogen Production

Chemical Additives

Biomass Co-liquefaction

Thermal Storage

Oil Spill Gelators

Corrosion Inhibition

Polypropylene Masterbatch

Hydrodesulfurization

Isomerization Processes

66 patents: Sort by Forward Citations

1. 12760228 - Dewatering composition and implementations thereof (2026-10-13),

2. 12749682 - Binary substituted vanadium phosphate electrode material (2026-09-29),

3. 12741921 - Process for the production of ethyl tertiary butyl ethers (2026-09-22),

4. 12692457 - Solar panel cleaning formulation (2026-07-28),

5. 12655269 - Additive compound for warm mix asphalt and process of synthesis thereof (2026-06-16),

6. 12594533 - Apparatus for distributing fluid in downflow reactors (2026-04-07),

7. 12584018 - Modified bitumen composition and process of preparation thereof (2026-03-24),

8. 12497497 - Process for preparation of bis-2-hydroxyethylene terephthalate based nucleated polypropylene masterbatch (2025-12-16),

9. 12465906 - Catalyst composition for the production of hydrogen (2025-11-11),

10. 12427507 - Reforming catalyst and a method of modification and application thereof (2025-09-30),

11. 12427491 - Gas distributor for bubble column reactor (2025-09-30),

12. 12359141 - Polyethyleneamine salts of sulphonyl oleic acid and dual functional hydrocarbon fuel additive composition thereof (2025-07-15),

13. 12351461 - Catalyst composition and its applications thereof (2025-07-08),

14. 12280363 - Composition for dispersed hydrodesulfurization catalyst and process for preparation of the same (2025-04-21),

15. 12269006 - Gas-solid contacting system with structured packing (2025-04-08),

Company Overview

Hindustan Petroleum Corporation Limited, headquartered in Mumbai, India, is a prominent player in the energy sector, specializing in the development and manufacturing of advanced catalyst compositions. The company focuses on various technological domains, including fluid catalytic cracking, hydrocarbon upgradation, and hydrogen production. Additionally, it explores innovative solutions in chemical additives, biomass co-liquefaction, thermal storage, and oil spill gelators, contributing to sustainable energy practices and enhancing operational efficiencies in the petroleum industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

66 Patents

#7 in Mumbai

#28 in India

#11,167 in the World

Hindustan Petroleum Corporation Limited

Forward Citations = 35

105 inventors:

Nettem Venkateswarlu Choudary (18 out of 18 patents)

Sriganesh Gandham (17 out of 17 patents)

Raman Ravishankar (17 out of 18 patents)

4. Peddy Venkata Chalapathi Rao (13 out of 13 patents)

5. Venkateswarlu Choudary Nettem (12 out of 17 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hindustan Petroleum Corporation Limited. Retrieved from https://idiyas.com/company/hindustan-petroleum

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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