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For the Inventor, By the Inventor

Bengaluru, India

Hindustan Petroleum Corporation Limited


USPTO Granted Patents = 56



Forward Citations = 34

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94 inventors (with patents filed for the assignee):

goldMedal Nettem Venkateswarlu Choudary (18 out of 18 patents)

silverMedal Sriganesh Gandham (17 out of 17 patents)

bronzeMedal 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 (9 out of 10 patents)

8.  Gandham Sriganesh (8 out of 8 patents)

9.  Pramod Kumar (7 out of 15 patents)

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

11.  Ramkumar Mangala (7 out of 7 patents)

12.  Bhavesh Sharma (7 out of 8 patents)

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

14.  Naresh Kottari (7 out of 7 patents)

15.  Sandip Bhowmik (5 out of 5 patents)


Core Competencies:
Catalyst Composition
Hydrocarbon Cracking
Fluid Catalytic Cracking
Hydrogen Production
Corrosion Inhibition
Oil Spill Gelators
Heavy Oil Upgradation
Biomass Co-Liquefaction
Thermal Storage Applications
Additive Composition
Hydrodesulfurization Catalyst
Lubricity Enhancement

56 patents:

1. 12497497 - Process for preparation of bis-2-hydroxyethylene terephthalate based nucleated polypropylene masterbatch (2025-12-16),
2. 12465906 - Catalyst composition for the production of hydrogen (2025-11-11),
3. 12427507 - Reforming catalyst and a method of modification and application thereof (2025-09-30),
4. 12359141 - Polyethyleneamine salts of sulphonyl oleic acid and dual functional hydrocarbon fuel additive composition thereof (2025-07-15),
5. 12351461 - Catalyst composition and its applications thereof (2025-07-08),
6. 12280363 - Composition for dispersed hydrodesulfurization catalyst and process for preparation of the same (2025-04-21),
7. 12258523 - Valuable chemicals production from co-liquefaction of bioliquor and biomass (2025-03-25),
8. 12220688 - Nano size crystal ZSM-5 and its preparation and applications thereof (2025-02-11),
9. 12209222 - Simultaneous production of high value de-aromatized kerosene and BTX from refinery hydrocarbons (2025-01-28),
10. 12146015 - Crosslinked polymer for dewaxing—preparation and implementations thereof (2024-11-19),
11. 12053766 - Organometallic compound for hydrocarbon cracking (2024-08-06),
12. 12037554 - Homogenous catalytic composition for improving LPG combustion (2024-07-16),
13. 11993753 - Antifoulant formulation comprising an alkylbenzene sulfonate salt and polyisosuccininic anhydride combination and applications thereof (2024-05-28),
14. 11905604 - Formulation for corrosion inhibition (2024-02-20),
15. 11896970 - Gas and liquid distributor for bubble column reactor (2024-02-13),
Hindustan Petroleum Corporation Limited (HPCL) is a Government of India enterprise in the oil and natural gas sector. It operates in two major segments, namely, downstream petroleum and exploration & production of hydrocarbons. HPCL is one of the largest oil refining and marketing companies in India, involved in refining and marketing petroleum products and also in exploration & production activities. The company has a vast network of retail outlets, LPG distributorships, and pipeline networks to serve customers across the country.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

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56 Patents

#10 in Bengaluru

#32 in India

#12,422 in the World

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Bengaluru, India

Hindustan Petroleum Corporation Limited

Forward Citations = 34

94 inventors:

goldMedal Nettem Venkateswarlu Choudary (18 out of 18 patents)

silverMedal Sriganesh Gandham (17 out of 17 patents)

bronzeMedal 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)

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