USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Indian Oil Corporation Limited

USPTO PatentsView assignee record - 202 granted patents across 78 technology areas, active 2015–2025. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. Primary class: C10G (CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION ; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GAS).

Compiled byPlainPatent Editorial, US Patent Intelligence Editorial Team · May 15, 2026

Explore the portfolio See the ranking

202

Total patents granted

CPC technology areas

12.2

Avg claims per patent

+81%

5-year filing velocity

The verdict

Indian holds 202 US patents across 78 technology areas, rank #1,985 of 50,000 tracked assignees.

#1,985
of 50,000 US assignees by volume: Top 5%
by Innovation Score (57.2/100): 12.2
avg claims per patent: +81%
filing velocity, last 5 yrs

Portfolio overview

Indian Oil Corporation Limited has been granted 202 US utility patents between 2015 and 2025, placing Indian Oil Corporation Limited at rank #1,985 across all assignees tracked by PlainPatent. This portfolio spans 78 distinct Cooperative Patent Classification (CPC) subclasses, averaging 12.2 claims per patent with primary concentration in C10G (CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION ; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GAS). As a Foreign Corporation, Indian Oil Corporation Limited is one of the broader-portfolio assignees in the PatentsView dataset. By volume, Indian sits between Cubic Corporation (202 patents, rank #1,981) and Department OF Veterans Affairs (201 patents, rank #1,989) - the closest US assignees by grant volume. The composite Innovation Score of 57.2/100 blends portfolio volume, filing velocity, technology breadth, and claim depth into a single comparable measure drawn directly from USPTO PatentsView records.

Filing cadence tells the strategic story. Between 2020 and 2025 the company received 130 grants, compared with 72 in the 2015–2019 window, a +81% shift in five-year velocity. An acceleration of this magnitude signals aggressive R&D investment and expanding technical ambition. The Foreign Corporation classification further shapes interpretation, since corporate, government, and individual filers pursue patents for materially different reasons.

Claim depth and technology breadth together indicate competitive posture. Indian Oil Corporation Limited's 12.2 average claims per patent sits within the typical range for solid legal coverage without excessive prosecution cost, while a multi-domain presence across 78 subclasses balances depth with breadth. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark Indian Oil Corporation Limited against peers pursuing similar technology classes.

Cubic

202
Gavrieli Brands

202
Hongfujin Precisi…

202
Invue Security Pr…

202
Kawasaki Motors

202
Optum

202
Tokuyama

202
Indian Oil ◀

202
Department OF Vet…

201

What this shows Indian holds 202 patents at rank #1,985, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Indian

By rank, the assignees closest to #1,985 in granted patent volume.

Leaders in C10G (Cracking Hydrocarbon OILS)

Other assignees with the most granted patents in Indian's primary technology class.

Indian's Innovation Score vs. every tracked assignee

Composite of portfolio volume, filing velocity, technology breadth, and claim depth (0–100)

57 Top 5% higher than 95% of 50,000 US assignees

Each bar is a band; taller bars hold more US assignees. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source USPTO PatentsView, PlainPatent Innovation Score · 2015–2025

USPTO utility patent grants by year · 2015–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Indian Oil Corporation Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	3	1.5%
2016	7	3.5%
2017	14	6.9%
2018	25	12.4%
2019	23	11.4%
2020	26	12.9%
2021	23	11.4%
2022	21	10.4%
2023	33	16.3%
2024	16	7.9%
2025	11	5.4%

Which technologies does Indian Oil Corporation Limited patent most?

C10G - CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION ; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES 95

B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 70

C07C - ACYCLIC OR CARBOCYCLIC COMPOUNDS 32

Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION 27

C12P - FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE 26

C12N - MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA 22

Y02P - CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS 21

C08F - MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 19

B01D - SEPARATION 19

C12R - INDEXING SCHEME ASSOCIATED WITH SUBCLASSES C12C - C12Q, RELATING TO MICROORGANISMS 17

C10B - DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS 17

C10L - FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS 16

C01B - NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; ; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C 15

C02F - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 11

B82Y - SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES 9

Top 15 of 78 technology areas

Patent Moat Analysis

Portfolio Volume Moderate

Tech Breadth Multi-domain

Claim Depth Standard

Velocity Accelerating

Where it ranks

Overall rank by patents

#1,985

Across all tracked assignees

Innovation Score

57.2 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

Frequently Asked Questions

How many patents does Indian Oil Corporation Limited hold?

Indian Oil Corporation Limited holds 202 US granted patents filed between 2015 and 2025, spanning 78 technology areas.

What is Indian Oil Corporation Limited's Innovation Score?

Indian Oil Corporation Limited has an Innovation Score of 57.2 out of 100. This composite metric weighs portfolio volume (40%), filing velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Indian Oil Corporation Limited focus on?

Indian Oil Corporation Limited's top technology area is C10G (CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION ; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES) with 95 patents. The company has filed patents in 78 CPC subclasses total.

Is Indian Oil Corporation Limited's patent filing rate increasing or decreasing?

Indian Oil Corporation Limited's recent filing velocity is +81% compared to the prior five-year period. This indicates accelerating innovation.

What does claim depth mean for Indian Oil Corporation Limited's patents?

Indian Oil Corporation Limited's patents average 12.2 claims each. This falls within the standard range, providing solid legal coverage.

How is the Indian Oil Corporation Limited patent data sourced?

All patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office covering US granted utility patents from 2015 to 2025.

How to use this portfolio

Indian's 202 grants land it in the top 5% by Innovation Score, but volume alone doesn't tell you where the strength sits.

Read that count against the largest US assignees before treating it as dominance - Indian ranks #1,985 of 50,000. Top 50 holders
Most of this portfolio concentrates in C10G - see who else leads that technology area. C10G leaders
Check what the four-part Innovation Score actually rewards before comparing it to another company. How the score works

Patent counts and the Innovation Score measure patenting activity, not commercial success or the legal strength of any patent. Many patents are filed defensively. Verify the status of an individual patent against official USPTO records.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent Editorial

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the USPTO PatentsView database. Consult a qualified professional before making decisions based on this data.

Read our methodology - how this data is sourced, computed, and verified.

Data sources used on this page

USPTO PatentsView - the disambiguated bulk patent-grant, assignee, and CPC data this page's figures are derived from. patentsview.org
Cooperative Patent Classification (CPC) - the joint USPTO/EPO classification scheme used to group patents by technology area. cooperativepatentclassification.org
USPTO Patent Public Search - the official interface to verify the status of any individual patent. ppubs.uspto.gov

Compiled byPlainPatent Editorial, US Patent Intelligence Editorial Team · May 15, 2026

Every figure on PlainPatent is rendered directly from USPTO source data, no number is typed in by an editor. This page draws directly on USPTO source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.