Where does China General Nuclear Power Group rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), China General Nuclear Power Group ranks #31,195 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 China General Nuclear Power Group hold?

China General Nuclear Power Group holds 8 US utility patents granted between 2016 and 2021, spanning 16 technology areas.

What is China General Nuclear Power Group's Innovation Score?

China General Nuclear Power Group has an Innovation Score of 29.2 out of 100 (30th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is China General Nuclear Power Group's patent grant rate increasing or decreasing?

China General Nuclear Power Group's recent grant velocity is -40% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

What does claim depth mean for China General Nuclear Power Group's patents?

China General Nuclear Power Group's patents average 12.5 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.

How is the China General Nuclear Power Group 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 2015–2025 USPTO PatentsView Foreign Corporation

China General Nuclear Power Group

Q: What technology areas does China General Nuclear Power Group focus on?

China General Nuclear Power Group's top technology area is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution) with 4 patents. Grants appear in 16 CPC subclasses total.

USPTO PatentsView assignee record - 8 granted patents across 16 technology areas, recorded in grant years 2016–2021. 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: Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, China ranks #31,195 of 49,997 tracked US assignees by granted-patent volume, with 8 patents across 16 technology areas.

#31,195
of 49,997 US assignees by volume: 30th percentile
by Innovation Score (29.2/100): 12.5
avg claims per patent: -40%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R31195 · Foreign Corporation #31,195 · 8 grants

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

GRANTS-MICRO 8 grants
MID-PACK #31,195/49,997
PHOTO-FINISH Chengdu Yefan…
CPC-FOCUS Y02E · 16 areas
INNOV-THIN 29.2/100
CLAIMS-RICH 12.5 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -40% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Chengdu Yefan Science AND Technology Co., Ltd. (±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.

Qualcomm Incorporated · highest

85
Ebbe America LC · near

29
Afiniti Internationa… · near

29
China General… · this assignee

29
Olatec Therapeutics · near

29
TYR Sport · near

29
3D Lighting… · lowest

7

What this shows China's Innovation Score is 29.2/100 (30th percentile 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.

Where China's grants concentrate

China General Nuclear Power Group is a focused PatentsView assignee: 16 CPC subclasses with 50% of grants classified under Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution). Peak complete grant year is 2019 (3 grants) versus a trough of 1 in 2016. By volume, China sits between Chengdu Yefan Science AND Technology Co., Ltd. and Chiome Bioscience Inc..

Chengdu Yefan Sci…

8
Chilisin

8
China Constructio…

8
China Constructio…

8
China National Ri…

8
China Resources M…

8
Chinese Academy O…

8
Chiome Bioscience

8
China General Nuc… ◀

8

What this shows China holds 8 patents at rank #31,155, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near China

By rank, the assignees closest to #31,155 in granted patent volume.

Leaders in Y02E (Reduction OF Greenhouse GAS [GHG] Emissions)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for China, neither rank-band nor same-CPC leaders (those blocks stay above).

Similar innovation score

Nearest assignees by Innovation Score (29 here).

Afiniti International Holdings, Ltd. 29 TYR Sport, Inc. 29 Olatec Therapeutics, Inc. 29 Ebbe America, LC 29

China's Innovation Score vs. every tracked assignee

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

29 30th percentile higher than 30% 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 · 2016–2021

Grants by year

Teal-shaded recent years (2020–present) versus the 2016–2019 baseline. Full figures in the table below.

View data table

China General Nuclear Power Group patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	1	12.5%
2018	1	12.5%
2019	3	37.5%
2020	2	25.0%
2021	1	12.5%

Which technologies does China General Nuclear Power Group patent most?

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 4

G21C - Nuclear Reactors 4

H04B - Transmission 2

H04W - Wireless Communication Networks 2

C04B - Lime, MAGNESIA; SLAG; CEMENTS; Compositions Thereof, e.g. Mortars, Concrete OR Like Building MATERIALS; Artificial Stone ; Ceramics ; REFRACTORIES; Treatment OF Natural Stone 1

G21F - Protection Against X-radiation, Gamma Radiation, Corpuscular Radiation OR Particle BOMBARDMENT; Treating Radioactively Contaminated MATERIAL; Decontamination Arrangements Therefor 1

Y02W - Climate Change Mitigation Technologies Related TO Wastewater Treatment OR Waste Management 1

G01K - Measuring TEMPERATURE; Measuring Quantity OF HEAT; Thermally-sensitive Elements NOT Otherwise Provided FOR 1

G01R - Measuring Electric VARIABLES; Measuring Magnetic Variables 1

G01L - Measuring Force, Stress, Torque, Work, Mechanical Power, Mechanical Efficiency, OR Fluid Pressure 1

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 1

Y02D - Climate Change Mitigation Technologies IN Information AND Communication Technologies [ICT], I.E. Information AND Communication Technologies Aiming AT THE Reduction OF Their OWN Energy USE 1

H04M - Telephonic Communication 1

G21D - Nuclear Power Plant 1

F04D - Non-positive-displacement Pumps 1

Top 15 of 16 technology areas

Where it ranks

Overall rank by patents

#31,195

of 49,997 tracked assignees

Innovation Score

29.2 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

China General Nuclear Power Group's patent record in context - here's where to go next.

China General Nuclear Power Group's lead technology class is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution), 50% of its portfolio - see every assignee active in that class. Explore Y02E
Ranked #31,195 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare China General Nuclear Power Group against Chengdu Yefan Science AND Technology Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 29.2/100 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.