Where does Changshu Institute of Technology rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Changshu Institute of Technology ranks #20,911 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 Changshu Institute of Technology hold?

Changshu Institute of Technology holds 13 US utility patents granted between 2021 and 2025, spanning 21 technology areas.

What is Changshu Institute of Technology's Innovation Score?

Changshu Institute of Technology has an Innovation Score of 49.6 out of 100 (top 14% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Changshu Institute of Technology focus on?

Changshu Institute of Technology's top technology area is B66B (ELEVATORS; Escalators OR Moving Walkways) with 4 patents, ranking #37 of 127 assignees active in that subclass. Grants appear in 21 CPC subclasses total.

Is Changshu Institute of Technology's patent grant rate increasing or decreasing?

Insufficient historical data is available to calculate a velocity trend for Changshu Institute of Technology.

What does claim depth mean for Changshu Institute of Technology's patents?

Changshu Institute of Technology's patents average 7.1 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 Changshu Institute of Technology 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 Government

Changshu Institute of Technology

USPTO PatentsView assignee record - 13 granted patents across 21 technology areas, recorded in grant years 2021–2025. 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: B66B (ELEVATORS; Escalators OR Moving Walkways).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Changshu ranks #20,911 of 49,997 tracked US assignees by granted-patent volume, with 13 patents across 21 technology areas.

#20,911
of 49,997 US assignees by volume: Top 14%
by Innovation Score (49.6/100): 7.1
avg claims per patent

USPTO PatentsView assignee plate

Corpus R20911 · Foreign Government #20,911 · 13 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-SPARSE · TYPE-FRNGOV · SPAN-YRS · BOOK-RICH

GRANTS-MICRO 13 grants
MID-PACK #20,911/49,997
PHOTO-FINISH Cellresin
CPC-FOCUS B66B · 21 areas
INNOV-PAR 49.6/100
CLAIMS-SPARSE 7.1 claims/avg
TYPE-FRNGOV Foreign Gov
SPAN-YRS 2021–2025 · 5y
BOOK-RICH 9/10 fields

Nearest grant-volume peer: Cellresin Technologies, 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 Changshu’s 49.6 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 9.1 pts (18%) Velocity 20.0 pts (40%) Breadth 16.2 pts (33%) Claim depth 4.2 pts (8%)

Qualcomm Incorporated · highest

85
Shenzhen Reolink… · near

50
Changshu Institute… · this assignee

50
Powerhouse Engine… · near

50
THE Glad Products · near

50
Universite DE Montreal · near

50
3D Lighting… · lowest

7

What this shows Changshu's Innovation Score is 49.6/100 (top 14% 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 Changshu?

Each dot is one of Changshu’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). Changshu’s own 7.1 claims/patent is at or below the 13.0 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Changshu's grants concentrate

Changshu Institute of Technology is a focused PatentsView assignee: 21 CPC subclasses with 30.8% of grants classified under B66B (ELEVATORS; Escalators OR Moving Walkways). Peak complete grant year is 2024 (5 grants) versus a trough of 1 in 2021. By volume, Changshu sits between Cellresin Technologies, LLC and Chembio Diagnostic Systems, Inc..

Changshu's three-year grant acceleration

Changshu Institute of Technology shows 8 grants in 2022–2024 against only 1 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.

Cellresin

13
Cellzome

13
Centogene

13
Centriq Technology

13
Chase Pharmaceuti…

13
Chauvet & Sons

13
Chelsio Communica…

13
Chembio Diagnosti…

13
Changshu Institut… ◀

13

What this shows Changshu holds 13 patents at rank #20,941, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Changshu

By rank, the assignees closest to #20,941 in granted patent volume.

Leaders in B66B (Elevators)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Changshu, neither rank-band nor same-CPC leaders (those blocks stay above). In B66B (Elevators), Changshu ranks #37 of 127 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (50 here).

Powerhouse Engine Solutions Switzerland IP Holding GmbH 50 Universite DE Montreal 50 THE Glad Products Company 50 Shenzhen Reolink Technology Co., Ltd. 50

Changshu's Innovation Score vs. every tracked assignee

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

50 Top 14% higher than 86% 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 · 2021–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2021–2019 baseline. Full figures in the table below.

View data table

Changshu Institute of Technology patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2021	1	7.7%
2022	1	7.7%
2023	2	15.4%
2024	5	38.5%
2025partial year	4	30.8%

Which technologies does Changshu Institute of Technology patent most?

B66B - ELEVATORS; Escalators OR Moving Walkways 4

Y02B - Climate Change Mitigation Technologies Related TO Buildings, e.g. Housing, House Appliances OR Related End-user Applications 3

C12N - Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media 3

C12R - Indexing Scheme Associated With Subclasses C12c - C12q, Relating TO Microorganisms 3

C12P - Fermentation OR Enzyme-using Processes TO Synthesise A Desired Chemical Compound OR Composition OR TO Separate Optical Isomers From A Racemic Mixture 3

C12Y - Enzymes 2

G01R - Measuring Electric VARIABLES; Measuring Magnetic Variables 2

H04L - Transmission OF Digital Information, e.g. Telegraphic Communication 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

H04K - Secret COMMUNICATION; Jamming OF Communication 1

H04W - Wireless Communication Networks 1

G06V - Image OR Video Recognition OR Understanding 1

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 1

G06T - Image Data Processing OR Generation, IN General 1

F16J - Pistons ; CYLINDERS; Sealings 1

Top 15 of 21 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

Changshu Institute of Technology's patent record in context - here's where to go next.

Changshu Institute of Technology's lead technology class is B66B (ELEVATORS; Escalators OR Moving Walkways), 30.8% of its portfolio - see every assignee active in that class. Explore B66B
Ranked #20,911 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Changshu Institute of Technology against Cellresin Technologies, LLC, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 49.6/100 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.