Where does Jiangnan Environmental Protection Group Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Jiangnan Environmental Protection Group Inc. ranks #8,418 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 Jiangnan Environmental Protection Group Inc. hold?

Jiangnan Environmental Protection Group Inc. holds 38 US utility patents granted between 2018 and 2022, spanning 8 technology areas.

What is Jiangnan Environmental Protection Group Inc.'s Innovation Score?

Jiangnan Environmental Protection Group Inc. has an Innovation Score of 38.1 out of 100 (top 42% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Jiangnan Environmental Protection Group Inc. focus on?

Jiangnan Environmental Protection Group Inc.'s top technology area is B01D (Separation) with 30 patents, ranking #150 of 3,536 assignees active in that subclass. Grants appear in 8 CPC subclasses total.

Is Jiangnan Environmental Protection Group Inc.'s patent grant rate increasing or decreasing?

Jiangnan Environmental Protection Group Inc.'s recent grant velocity is -48% 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 Jiangnan Environmental Protection Group Inc.'s patents?

Jiangnan Environmental Protection Group Inc.'s patents average 32.3 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

Jiangnan Environmental Protection Group Inc.

Q: How is the Jiangnan Environmental Protection Group Inc. 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 - 38 granted patents across 8 technology areas, recorded in grant years 2018–2022. 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: B01D (Separation).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Jiangnan ranks #8,418 of 49,997 tracked US assignees by granted-patent volume, with 38 patents across 8 technology areas.

#8,418
of 49,997 US assignees by volume: Top 42%
by Innovation Score (38.1/100): 32.3
avg claims per patent: -48%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R8418 · Foreign Corporation #8,418 · 38 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-DENSE · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-SMALL 38 grants
UPPER-Q #8,418/49,997
PHOTO-FINISH InterMetro Industries
CPC-NARROW B01D · 8 areas
INNOV-THIN 38.1/100
CLAIMS-DENSE 32.3 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -48% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: InterMetro Industries Corporation (±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 Jiangnan’s 38.1 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 12.7 pts (33%) Velocity 0.5 pts (1%) Breadth 10.0 pts (26%) Claim depth 15.0 pts (39%)

Qualcomm Incorporated · highest

85
JenaValve Technology · near

38
Jiangnan Environment… · this assignee

38
Poet · near

38
Rolic · near

38
SR Holdings · near

38
3D Lighting… · lowest

7

What this shows Jiangnan's Innovation Score is 38.1/100 (top 42% 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 Jiangnan?

Each dot is one of Jiangnan’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). Jiangnan’s own 32.3 claims/patent is ABOVE the 11.1 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Jiangnan's grants concentrate

Jiangnan Environmental Protection Group Inc. is a focused PatentsView assignee: 8 CPC subclasses with 78.9% of grants classified under B01D (Separation). Peak complete grant year is 2019 (17 grants) versus a trough of 2 in 2021. By volume, Jiangnan sits between InterMetro Industries Corporation and Kinsus Interconnect Technology Corp..

Jiangnan's three-year grant acceleration

From 2019–2021 to 2022–2024, Jiangnan Environmental Protection Group Inc. moved from 28 to 2 grants (0.07x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

Intermetro Indust…

38
Invoy Holdings

38
Jamco

38
Jemella

38
Juluen Enterprise

38
Kanto Denka Kogyo

38
Kasai Kogyo

38
Kinsus Interconne…

38
Jiangnan Environm… ◀

38

What this shows Jiangnan holds 38 patents at rank #8,418, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Jiangnan

By rank, the assignees closest to #8,418 in granted patent volume.

Leaders in B01D (Separation)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Jiangnan, neither rank-band nor same-CPC leaders (those blocks stay above). In B01D (Separation), Jiangnan ranks #150 of 3,536 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (38 here).

SR Holdings, LLC 38 Rolic AG 38 JenaValve Technology, Inc. 38 Poet Technologies, Inc. 38

Jiangnan's Innovation Score vs. every tracked assignee

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

38 Top 42% higher than 58% 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 · 2018–2022

Grants by year

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

View data table

Jiangnan Environmental Protection Group Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2018	8	21.1%
2019	17	44.7%
2020	9	23.7%
2021	2	5.3%
2022	2	5.3%

Which technologies does Jiangnan Environmental Protection Group Inc. patent most?

B01D - Separation 30

Y02A - Technologies FOR Adaptation TO Climate Change 17

C10G - Cracking Hydrocarbon OILS; Production OF Liquid Hydrocarbon Mixtures, e.g. BY Destructive Hydrogenation, Oligomerisation, Polymerisation ; Recovery OF Hydrocarbon Oils From Oil-shale, Oil-sand, OR GASES; Refining Mixtures Mainly Consisting OF HYDROCARBONS; Reforming OF NAPHTHA; Mineral Waxes 9

C01B - Non-metallic ELEMENTS; Compounds THEREOF; ; Metalloids OR Compounds Thereof NOT Covered BY Subclass C01c 7

C01C - AMMONIA; CYANOGEN; Compounds Thereof 7

B01J - Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus 5

F23J - Removal OR Treatment OF Combustion Products OR Combustion RESIDUES; Flues 4

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 4

Top 8 of 8 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

Jiangnan Environmental Protection Group Inc.'s patent record in context - here's where to go next.

Jiangnan Environmental Protection Group Inc.'s lead technology class is B01D (Separation), 78.9% of its portfolio - see every assignee active in that class. Explore B01D
Ranked #8,418 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Jiangnan Environmental Protection Group Inc. against InterMetro Industries Corporation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 38.1/100 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.