Where does Hunan Brunp EV Recycling Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Hunan Brunp EV Recycling Co., Ltd. ranks #7,422 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 Hunan Brunp EV Recycling Co., Ltd. hold?

Hunan Brunp EV Recycling Co., Ltd. holds 44 US utility patents granted between 2023 and 2025, spanning 30 technology areas.

What is Hunan Brunp EV Recycling Co., Ltd.'s Innovation Score?

Hunan Brunp EV Recycling Co., Ltd. has an Innovation Score of 57.8 out of 100 (top 5% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Hunan Brunp EV Recycling Co., Ltd.'s patent grant rate increasing or decreasing?

Insufficient historical data is available to calculate a velocity trend for Hunan Brunp EV Recycling Co., Ltd..

What does claim depth mean for Hunan Brunp EV Recycling Co., Ltd.'s patents?

Hunan Brunp EV Recycling Co., Ltd.'s patents average 8.8 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 Hunan Brunp EV Recycling Co., Ltd. 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

Hunan Brunp EV Recycling Co., Ltd.

Q: What technology areas does Hunan Brunp EV Recycling Co., Ltd. focus on?

Hunan Brunp EV Recycling Co., Ltd.'s top technology area is H01M (Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy) with 34 patents, ranking #200 of 2,332 assignees active in that subclass. Grants appear in 30 CPC subclasses total.

USPTO PatentsView assignee record - 44 granted patents across 30 technology areas, recorded in grant years 2023–2025. 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: H01M (Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Hunan ranks #7,422 of 49,997 tracked US assignees by granted-patent volume, with 44 patents across 30 technology areas.

#7,422
of 49,997 US assignees by volume: Top 5%
by Innovation Score (57.8/100): 8.8
avg claims per patent

USPTO PatentsView assignee plate

Corpus R7422 · Foreign Corporation #7,422 · 44 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-PAR · TYPE-FRNCORP · SPAN-YRS · BOOK-RICH

GRANTS-SMALL 44 grants
UPPER-Q #7,422/49,997
PHOTO-FINISH Grabango
CPC-FOCUS H01M · 30 areas
INNOV-PAR 57.8/100
CLAIMS-PAR 8.8 claims/avg
TYPE-FRNCORP Foreign Corp
SPAN-YRS 2023–2025 · 3y
BOOK-RICH 9/10 fields

Nearest grant-volume peer: Grabango Co. (±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 Hunan’s 57.8 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 13.1 pts (23%) Velocity 20.0 pts (35%) Breadth 19.4 pts (34%) Claim depth 5.3 pts (9%)

Qualcomm Incorporated · highest

85
Arrowhead Center · near

58
ColdSnap · near

58
Howard University · near

58
Hunan Brunp EV… · this assignee

58
Silanna UV Pte · near

58
3D Lighting… · lowest

7

What this shows Hunan's Innovation Score is 57.8/100 (top 5% 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 Hunan?

Each dot is one of Hunan’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). Hunan’s own 8.8 claims/patent is at or below the 16.8 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Hunan's grants concentrate

Hunan Brunp EV Recycling Co., Ltd. is a focused PatentsView assignee: 30 CPC subclasses with 77.3% of grants classified under H01M (Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy). Peak complete grant year is 2024 (30 grants) versus a trough of 7 in 2023. By volume, Hunan sits between Grabango Co. and Ictk Holdings Co., Ltd..

Hunan's three-year grant acceleration

Hunan Brunp EV Recycling Co., Ltd. shows 37 grants in 2022–2024 against only 0 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.

Grabango

44
Gradiant

44
Hawe Hydraulik SE

44
Hochiki

44
Hydac Fluidtechnik

44
Herbert Kannegies…

44
Huawei Internatio…

44
Ictk Holdings

44
Hunan Brunp EV Re… ◀

44

What this shows Hunan holds 44 patents at rank #7,420, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Hunan

By rank, the assignees closest to #7,420 in granted patent volume.

Leaders in H01M (Processes OR Means)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Hunan, neither rank-band nor same-CPC leaders (those blocks stay above). In H01M (Processes OR Means), Hunan ranks #200 of 2,332 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (58 here).

Arrowhead Center, Inc. 58 Silanna UV Technologies Pte Ltd 58 ColdSnap, Corp. 58 Howard University 58

Hunan's Innovation Score vs. every tracked assignee

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

58 Top 5% higher than 95% 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 · 2023–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2023–2019 baseline. Full figures in the table below.

View data table

Hunan Brunp EV Recycling Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2023	7	15.9%
2024	30	68.2%
2025partial year	7	15.9%

Which technologies does Hunan Brunp EV Recycling Co., Ltd. patent most?

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 34

Y02W - Climate Change Mitigation Technologies Related TO Wastewater Treatment OR Waste Management 21

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 20

C22B - Production AND Refining OF Metals ; Pretreatment OF RAW Materials 14

C01P - Indexing Scheme Relating TO Structural AND Physical Aspects OF Solid Inorganic Compounds 13

C01G - Compounds Containing Metals NOT Covered BY Subclasses C01d OR C01f 12

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 11

B09B - Disposal OF Solid Waste NOT Otherwise Provided FOR 8

B01D - Separation 6

C01B - Non-metallic ELEMENTS; Compounds THEREOF; ; Metalloids OR Compounds Thereof NOT Covered BY Subclass C01c 6

B01J - Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus 4

B07B - Separating Solids From Solids BY Sieving, Screening, Sifting OR BY Using GAS CURRENTS; Separating BY Other DRY Methods Applicable TO Bulk Material, e.g. Loose Articles FIT TO BE Handled Like Bulk Material 3

F23G - Cremation FURNACES; Consuming Waste Products BY Combustion 2

B02C - Crushing, Pulverising, OR Disintegrating IN GENERAL; Milling Grain 2

C10B - Destructive Distillation OF Carbonaceous Materials FOR Production OF GAS, Coke, TAR, OR Similar Materials 2

Top 15 of 30 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

Hunan Brunp EV Recycling Co., Ltd.'s patent record in context - here's where to go next.

Hunan Brunp EV Recycling Co., Ltd.'s lead technology class is H01M (Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy), 77.3% of its portfolio - see every assignee active in that class. Explore H01M
Ranked #7,422 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Hunan Brunp EV Recycling Co., Ltd. against Grabango Co., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 57.8/100 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.