PlainPatent
USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Dalian Research Institute OF Petroleum AND Petrochemicals, Sinopec Corp.

USPTO PatentsView assignee record - 15 granted patents across 18 technology areas, active 2020–2025. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. Primary class: B01J (CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS).

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15
Total patents granted
18
CPC technology areas
17.3
Avg claims per patent
-
5-year filing velocity

The verdict

Dalian holds 15 US patents across 18 technology areas, rank #18,522 of 50,000 tracked assignees.

#18,522
of 50,000 US assignees by volume
Top 17%
by Innovation Score (48.3/100)
17.3
avg claims per patent

Portfolio overview

Dalian Research Institute OF Petroleum AND Petrochemicals, Sinopec Corp. has been granted 15 US utility patents between 2020 and 2025, placing Dalian Research Institute OF Petroleum AND Petrochemicals, Sinopec Corp. at rank #18,522 across all assignees tracked by PlainPatent. This portfolio spans 18 distinct Cooperative Patent Classification (CPC) subclasses, averaging 17.3 claims per patent with primary concentration in B01J (CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS). As a Foreign Corporation, Dalian Research Institute OF Petroleum AND Petrochemicals, Sinopec Corp. is one of the more focused assignees in the PatentsView dataset. The composite Innovation Score of 48.3/100 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. Historical data spans 2020 through 2025, with 15 total grants over that period. Velocity comparisons require five years of historical filings to calibrate. 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. Dalian Research Institute OF Petroleum AND Petrochemicals, Sinopec Corp.'s 17.3 average claims per patent sits within the typical range for solid legal coverage without excessive prosecution cost, while concentration in 18 subclasses points to a focused technical program. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark Dalian Research Institute OF Petroleum AND Petrochemicals, Sinopec Corp. against peers pursuing similar technology classes.

How does Dalian compare?

Granted US patents 2015–2025 versus the largest corporate holders, this company marked ◀

patents

What this shows Dalian holds 15 patents, placing it at rank #18,522 overall, well behind the volume leaders but ahead of the tens of thousands of smaller assignees in the dataset.

Source USPTO PatentsView, granted utility patents As of 2015–2025

Dalian's Innovation Score vs. every tracked assignee

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

48 Top 17% higher than 83% of 50,000 US assignees

0–10: 687 US assignees (1%). Below this entry. 10–20: 2,527 US assignees (5%). Below this entry. 20–30: 13,162 US assignees (26%). Below this entry. 30–40: 15,294 US assignees (31%). Below this entry. 40–50: 11,491 US assignees (23%). This entry sits in this band. 50–60: 5,058 US assignees (10%). Above this entry. 60–70: 1,537 US assignees (3%). Above this entry. 70–80: 234 US assignees (0%). Above this entry. 80–90: 10 US assignees (0%). Above this entry. 90–100: 0 US assignees (0%). Above this entry. This assignee 0 100 every tracked assignee, bucketed by value

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 · 2020–2025

1.522.533.544.5 202020212022202320242025 3
USPTO utility patent grants by year · 2020–2025

Grants by year

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

View data table
Dalian Research Institute OF Petroleum AND Petrochemicals, Sinopec Corp. patent grants by year, 2015–2025
Year Patents Granted Share of Period
2020 2 13.3%
2021 2 13.3%
2022 2 13.3%
2023 2 13.3%
2024 4 26.7%
2025 3 20.0%

Which technologies does Dalian Research Institute OF Petroleum AND Petrochemicals, Sinopec Corp. patent most?

Top 15 of 18 technology areas

Patent Moat Analysis

Portfolio Volume Light
Tech Breadth Focused
Claim Depth Standard

Where it ranks

Overall rank by patents

#18,522

Across all tracked assignees

Innovation Score

48.3 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 Dalian Research Institute OF Petroleum AND Petrochemicals, Sinopec Corp. hold?
Dalian Research Institute OF Petroleum AND Petrochemicals, Sinopec Corp. holds 15 US granted patents filed between 2020 and 2025, spanning 18 technology areas.
What is Dalian Research Institute OF Petroleum AND Petrochemicals, Sinopec Corp.'s Innovation Score?
Dalian Research Institute OF Petroleum AND Petrochemicals, Sinopec Corp. has an Innovation Score of 48.3 out of 100. This composite metric weighs portfolio volume (40%), filing velocity (20%), technology breadth (25%), and claim depth (15%).
What technology areas does Dalian Research Institute OF Petroleum AND Petrochemicals, Sinopec Corp. focus on?
Dalian Research Institute OF Petroleum AND Petrochemicals, Sinopec Corp.'s top technology area is B01J (CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS) with 11 patents. The company has filed patents in 18 CPC subclasses total.
Is Dalian Research Institute OF Petroleum AND Petrochemicals, Sinopec Corp.'s patent filing rate increasing or decreasing?
Insufficient historical data is available to calculate a velocity trend for Dalian Research Institute OF Petroleum AND Petrochemicals, Sinopec Corp..
What does claim depth mean for Dalian Research Institute OF Petroleum AND Petrochemicals, Sinopec Corp.'s patents?
Dalian Research Institute OF Petroleum AND Petrochemicals, Sinopec Corp.'s patents average 17.3 claims each. This falls within the standard range, providing solid legal coverage.
How is the Dalian Research Institute OF Petroleum AND Petrochemicals, Sinopec Corp. 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.

Guides to patent portfolio analysis

How Innovation Score Works

Understand the four dimensions behind the composite score
How to Read Patent Data

Plain-English guide to CPC codes, claims, and metrics
Patent Moat Analysis

How companies use patents as competitive barriers

How to use this portfolio

Dalian's 15 grants land it in the top 17% 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 - Dalian ranks #18,522 of 50,000. Top 50 holders
  • Most of this portfolio concentrates in B01J - see who else leads that technology area. B01J 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.

Explore the patent dataset

B01J technology

Dalian Research Institute OF Petroleum AND Petrochemicals, Sinopec Corp.'s primary CPC class, all holders and yearly trends
Top 50 patent holders

See where Dalian Research Institute OF Petroleum AND Petrochemicals, Sinopec Corp. ranks among the largest US patent assignees
All technology classes

Browse every CPC technology area by patent activity
How the score works

The four dimensions behind the Innovation Score

Related

All companies → | All technologies → | Rankings →
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

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.