Where does Nanjing Chervon Industry Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Nanjing Chervon Industry Co., Ltd. ranks #1,470 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 Nanjing Chervon Industry Co., Ltd. hold?

Nanjing Chervon Industry Co., Ltd. holds 283 US utility patents granted between 2018 and 2025, spanning 71 technology areas.

What is Nanjing Chervon Industry Co., Ltd.'s Innovation Score?

Nanjing Chervon Industry Co., Ltd. has an Innovation Score of 66.0 out of 100 (top 1% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Nanjing Chervon Industry Co., Ltd.'s patent grant rate increasing or decreasing?

Nanjing Chervon Industry Co., Ltd.'s recent grant velocity is +1117% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Nanjing Chervon Industry Co., Ltd.'s patents?

Nanjing Chervon Industry Co., Ltd.'s patents average 14.4 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 Nanjing Chervon Industry 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

Nanjing Chervon Industry Co., Ltd.

Q: What technology areas does Nanjing Chervon Industry Co., Ltd. focus on?

Nanjing Chervon Industry Co., Ltd.'s top technology area is B25F (Combination OR Multi-purpose Tools NOT Otherwise Provided FOR; Details OR Components OF Portable Power-driven Tools NOT Particularly Related TO THE Operations Performed AND NOT Otherwise Provided FOR) with 89 patents, ranking #7 of 229 assignees active in that subclass. Grants appear in 71 CPC subclasses total.

USPTO PatentsView assignee record - 283 granted patents across 71 technology areas, recorded in grant years 2018–2025. 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: B25F (Combination OR Multi-purpose Tools NOT Otherwise Provided FOR; Details OR Components OF Portable Power-driven Tools NOT Particularly Related TO THE Operations Performed AND NOT Otherwise Provided FOR).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Nanjing ranks #1,470 of 49,997 tracked US assignees by granted-patent volume, with 283 patents across 71 technology areas.

#1,470
of 49,997 US assignees by volume: Top 1%
by Innovation Score (66.0/100): 14.4
avg claims per patent: +1117%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R1470 · Foreign Corporation #1,470 · 283 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-STRONG · CLAIMS-RICH · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-MID 283 grants
TOP-DECILE #1,470/49,997
PHOTO-FINISH Ab Initio Technology
CPC-WIDE B25F · 71 areas
INNOV-STRONG 66.0/100
CLAIMS-RICH 14.4 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +1117% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Ab Initio Technology 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 Nanjing’s 66.0 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 19.5 pts (30%) Velocity 12.8 pts (19%) Breadth 25.0 pts (38%) Claim depth 8.6 pts (13%)

Qualcomm Incorporated · highest

85
Beijing Goldwind… · near

66
Qorvo US · near

66
Coretronic · near

66
Nanjing Chervon… · this assignee

66
Ohio State Innovatio… · near

66
3D Lighting… · lowest

7

What this shows Nanjing's Innovation Score is 66.0/100 (top 1% 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 Nanjing?

Each dot is one of Nanjing’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). Nanjing’s own 14.4 claims/patent is ABOVE the 14.2 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

How Nanjing's grant cadence moved

Between 2020–2024, Nanjing Chervon Industry Co., Ltd. received 219 grants versus 18 in 2015–2019 (+1117% equal-window velocity, top decile growth). Across complete PatentsView years, output peaked in 2024 at 67 grants and bottomed in 2018 at 6. Lead class B25F accounts for 31.4% of the portfolio across 71 subclasses. Volume neighbours: Xiamen ECO Lighting Co. Ltd. (#1,466) and GE Infrastructure Technology LLC (#1,474).

Nanjing's three-year grant acceleration

From 2019–2021 to 2022–2024, Nanjing Chervon Industry Co., Ltd. moved from 79 to 152 grants (1.92x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #231. See the growth leaderboard.

Xiamen ECO Lighti…

284
AMO Development

283
Ab Initio Technol…

283
Firmenich

283
Nanjing Chervon I… ◀

283
Atieva

282
Chengdu Qinchuan…

282
Fotonation

282
GE Infrastructure…

282

What this shows Nanjing holds 283 patents at rank #1,470, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Nanjing

By rank, the assignees closest to #1,470 in granted patent volume.

Leaders in B25F (Combination OR Multi-purpose Tools)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Nanjing, neither rank-band nor same-CPC leaders (those blocks stay above). In B25F (Combination OR Multi-purpose Tools), Nanjing ranks #7 of 229 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (66 here).

Ohio State Innovation Foundation 66 Coretronic Corporation 66 Qorvo US, Inc. 66 Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd. 66

Similar claim depth

Nearest assignees by average claims per patent (14.4 here).

Sick AG 14.4 avg H. LEE Moffitt Cancer Center AND Research Institute Inc. 14.4 avg Semes Co., Ltd. 14.4 avg Powertech Technology Inc. 14.4 avg

Nanjing's Innovation Score vs. every tracked assignee

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

66 Top 1% higher than 99% 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 · 2018–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2018–2019 baseline. Full figures in the table below.

View data table

Nanjing Chervon Industry Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2018	6	2.1%
2019	12	4.2%
2020	28	9.9%
2021	39	13.8%
2022	37	13.1%
2023	48	17.0%
2024	67	23.7%
2025partial year	46	16.3%

Which technologies does Nanjing Chervon Industry Co., Ltd. patent most?

B25F - Combination OR Multi-purpose Tools NOT Otherwise Provided FOR; Details OR Components OF Portable Power-driven Tools NOT Particularly Related TO THE Operations Performed AND NOT Otherwise Provided FOR 89

A01D - HARVESTING; Mowing 77

H02P - Control OR Regulation OF Electric Motors, Electric Generators OR Dynamo-electric CONVERTERS; Controlling Transformers, Reactors OR Choke Coils 44

B24B - Machines, Devices, OR Processes FOR Grinding OR Polishing ; Dressing OR Conditioning OF Abrading SURFACES; Feeding OF Grinding, Polishing, OR Lapping Agents 34

H02K - Dynamo-electric Machines 31

B25B - Tools OR Bench Devices NOT Otherwise Provided FOR, FOR Fastening, Connecting, Disengaging OR Holding 31

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 29

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 29

B23D - PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; Like Operations FOR Working Metal BY Removing Material, NOT Otherwise Provided FOR 28

H02J - Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy 28

B27B - Saws FOR Wood OR Similar MATERIAL; Components OR Accessories Therefor 19

A01G - HORTICULTURE; Cultivation OF Vegetables, Flowers, Rice, Fruit, Vines, Hops OR SEAWEED; FORESTRY; Watering 13

B23B - TURNING; Boring 13

B25D - Percussive Tools 12

H02M - Apparatus FOR Conversion Between AC AND AC, Between AC AND DC, OR Between DC AND DC, AND FOR USE With Mains OR Similar Power Supply SYSTEMS; Conversion OF DC OR AC Input Power Into Surge Output POWER; Control OR Regulation Thereof 11

Top 15 of 71 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

Nanjing Chervon Industry Co., Ltd.'s patent record in context - here's where to go next.

Nanjing Chervon Industry Co., Ltd.'s lead technology class is B25F (Combination OR Multi-purpose Tools NOT Otherwise Provided FOR; Details OR Components OF Portable Power-driven Tools NOT Particularly Related TO THE Operations Performed AND NOT Otherwise Provided FOR), 31.4% of its portfolio - see every assignee active in that class. Explore B25F
Ranked #1,470 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Nanjing Chervon Industry Co., Ltd. against Xiamen ECO Lighting Co. Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 66.0/100 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.