Where does Cnpc Engineering Technology R&D Company Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Cnpc Engineering Technology R&D Company Limited ranks #15,916 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does Cnpc Engineering Technology R&D Company Limited hold?

Cnpc Engineering Technology R&D Company Limited holds 18 US utility patents granted between 2019 and 2025, spanning 12 technology areas.

What is Cnpc Engineering Technology R&D Company Limited's Innovation Score?

Cnpc Engineering Technology R&D Company Limited has an Innovation Score of 35.1 out of 100 (top 50% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Cnpc Engineering Technology R&D Company Limited's patent grant rate increasing or decreasing?

Cnpc Engineering Technology R&D Company Limited's recent grant velocity is +1400% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Cnpc Engineering Technology R&D Company Limited's patents?

Cnpc Engineering Technology R&D Company Limited's patents average 12.6 claims each. This is an aggregate descriptive count from the grant record; it does not establish claim scope, legal strength, enforceability, or design-around risk.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Cnpc Engineering Technology R&D Company Limited

Q: What technology areas does Cnpc Engineering Technology R&D Company Limited focus on?

Cnpc Engineering Technology R&D Company Limited's top technology area is E21B (Earth OR Rock DRILLING; Obtaining OIL, GAS, Water, Soluble OR Meltable Materials OR A Slurry OF Minerals From Wells) with 14 patents, ranking #261 of 1,363 assignees active in that subclass. Grants appear in 12 CPC subclasses total.

Q: How is the Cnpc Engineering Technology R&D Company 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.

USPTO PatentsView assignee record - 18 granted patents across 12 technology areas, recorded in grant years 2019–2025. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength. Primary class: E21B (Earth OR Rock DRILLING; Obtaining OIL, GAS, Water, Soluble OR Meltable Materials OR A Slurry OF Minerals From Wells).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Cnpc ranks #15,916 of 49,997 tracked US assignees by granted-patent volume, with 18 patents across 12 technology areas.

#15,916
of 49,997 US assignees by volume: Top 50%
by Innovation Score (35.1/100): 12.6
avg claims per patent: +1400%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R15916 · Foreign Corporation #15,916 · 18 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-MICRO 18 grants
MID-PACK #15,916/49,997
PHOTO-FINISH Clevermade
CPC-FOCUS E21B · 12 areas
INNOV-THIN 35.1/100
CLAIMS-RICH 12.6 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +1400% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Clevermade, LLC (±0 grants)

Instrument codes from this assignee’s USPTO PatentsView grant sheet: volume band, corpus rank, photo-finish peer, lead CPC, Innovation Score, claim depth, assignee type, velocity, and book completeness. Not a USPTO rating of patent strength.

How Cnpc’s 35.1 Innovation Score adds up

The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.

Volume 10.2 pts (29%) Velocity 5.2 pts (15%) Breadth 12.2 pts (35%) Claim depth 7.5 pts (21%)

Qualcomm Incorporated · highest

85
Cnpc Engineering… · this assignee

35
3D Lighting… · lowest

7

What this shows Cnpc's Innovation Score is 35.1/100 (top 50% of the PatentsView-derived corpus). The chart places that score against the nearest Innovation Score peers plus corpus poles, not a reprint of the volume ranking.

Does more volume mean deeper claims for Cnpc?

Each dot is one of Cnpc’s 8 nearest volume peers (same corpus rank neighbourhood as the chart above), placed by total granted patents (horizontal) against average claims per patent (vertical). Cnpc’s own 12.6 claims/patent is at or below the 15.6 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

Cnpc vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where Cnpc's grants concentrate

Cnpc Engineering Technology R&D Company Limited is a focused PatentsView assignee: 12 CPC subclasses with 77.8% of grants classified under E21B (Earth OR Rock DRILLING; Obtaining OIL, GAS, Water, Soluble OR Meltable Materials OR A Slurry OF Minerals From Wells). Peak complete grant year is 2020 (5 grants) versus a trough of 1 in 2019. By volume, Cnpc sits between Clevermade, LLC and Controlrad Systems, Inc..

Cnpc's three-year grant acceleration

Cnpc Engineering Technology R&D Company Limited shows 7 grants in 2022–2024 against only 9 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.

Clevermade

18
Clmbr1

18
Cloudminds (Shang…

18
CNA International

18
Comsol AB

18
Conductive Compos…

18
Contour Design

18
Controlrad Systems

18
Cnpc Engineering… ◀

18

What this shows Cnpc holds 18 patents at rank #15,898, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Cnpc

By rank, the assignees closest to #15,898 in granted patent volume.

Leaders in E21B (Earth OR Rock Drilling)

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

Cnpc's Innovation Score vs. every tracked assignee

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

35 Top 50% higher than 50% of 49,997 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 · 2019–2025

Grants by year

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

View data table

Cnpc Engineering Technology R&D Company Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2019	1	5.6%
2020	5	27.8%
2021	3	16.7%
2022	1	5.6%
2023	3	16.7%
2024	3	16.7%
2025partial year	2	11.1%

Which technologies does Cnpc Engineering Technology R&D Company Limited patent most?

E21B - Earth OR Rock DRILLING; Obtaining OIL, GAS, Water, Soluble OR Meltable Materials OR A Slurry OF Minerals From Wells 14

C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere 10

C04B - Lime, MAGNESIA; SLAG; CEMENTS; Compositions Thereof, e.g. Mortars, Concrete OR Like Building MATERIALS; Artificial Stone ; Ceramics ; REFRACTORIES; Treatment OF Natural Stone 5

Y02W - Climate Change Mitigation Technologies Related TO Wastewater Treatment OR Waste Management 4

C08F - Macromolecular Compounds Obtained BY Reactions Only Involving Carbon-to-carbon Unsaturated Bonds 4

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 2

C01B - Non-metallic ELEMENTS; Compounds THEREOF; ; Metalloids OR Compounds Thereof NOT Covered BY Subclass C01c 2

B82Y - Specific Uses OR Applications OF NANOSTRUCTURES; Measurement OR Analysis OF NANOSTRUCTURES; Manufacture OR Treatment OF Nanostructures 2

G06F - Electric Digital Data Processing 1

G16C - Computational CHEMISTRY; CHEMOINFORMATICS; Computational Materials Science 1

C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients 1

G06Q - Information AND Communication Technology [ICT] Specially Adapted FOR Administrative, Commercial, Financial, Managerial OR Supervisory PURPOSES; Systems OR Methods Specially Adapted FOR Administrative, Commercial, Financial, Managerial OR Supervisory Purposes, NOT Otherwise Provided FOR 1

Top 12 of 12 technology areas

More on this record

Data Source

USPTO PatentsView, US granted patents 2015–2025

View all rankings → How is Innovation Score calculated?

What to do with this data

Cnpc Engineering Technology R&D Company Limited's patent record in context - here's where to go next.

Cnpc Engineering Technology R&D Company Limited's lead technology class is E21B (Earth OR Rock DRILLING; Obtaining OIL, GAS, Water, Soluble OR Meltable Materials OR A Slurry OF Minerals From Wells), 77.8% of its portfolio - see every assignee active in that class. Explore E21B
Ranked #15,916 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Cnpc Engineering Technology R&D Company Limited against Clevermade, LLC, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 35.1/100 blends volume, velocity, technology breadth, and claim depth. How it's calculated

Figures reflect USPTO PatentsView grant data through May 2026; pending applications not yet granted are not counted.

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

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 by PlainPatent, US Patent Intelligence Editorial Process · 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.