PlainPatent
USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Changzhou T&D International Trading Co., Ltd.

USPTO PatentsView assignee record - 10 granted patents across 0 technology areas, recorded in grant years 2024–2025. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength.

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Changzhou ranks #25,986 of 50,000 tracked US assignees by granted-patent volume, with 10 patents across 0 technology areas.

#25,986
of 50,000 US assignees by volume
Top 71%
by Innovation Score (28.9/100)
1.0
avg claims per patent

USPTO PatentsView assignee plate

Corpus R25986 · Foreign Corporation #25,986 · 10 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-UNK · INNOV-THIN · CLAIMS-SPARSE · TYPE-FRNCORP · SPAN-YRS · BOOK-RICH

  • GRANTS-MICRO 10 grants
  • MID-PACK #25,986/50,000
  • PHOTO-FINISH Ceregate
  • CPC-UNK CPC blank
  • INNOV-THIN 28.9/100
  • CLAIMS-SPARSE 1.0 claims/avg
  • TYPE-FRNCORP Foreign Corp
  • SPAN-YRS 2024–2025 · 2y
  • BOOK-RICH 8/10 fields

Nearest grant-volume peer: Ceregate Gmbh (±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.

Innovation-score neighbourhood around Changzhou

Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.

score

What this shows Changzhou's Innovation Score is 28.9/100 (top 71% 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.

Source USPTO PatentsView, PlainPatent Innovation Score As of 2015–2025

Where Changzhou's grants concentrate

Changzhou T&D International Trading Co., Ltd. is a focused PatentsView assignee: 0 CPC subclasses . By volume, Changzhou sits between Ceregate Gmbh and Chiasma, Inc..

Changzhou's three-year grant acceleration

Changzhou T&D International Trading Co., Ltd. shows 5 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.

Who files at Changzhou's volume?

Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀

patents

What this shows Changzhou holds 10 patents at rank #26,031, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Source USPTO PatentsView, granted utility patents As of 2015–2025

Companies ranked near Changzhou

By rank, the assignees closest to #26,031 in granted patent volume.

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (29 here).

Renon Power Technology Inc. 29 Shenyang Xinchuang Business Management Consulting Co., Ltd 29 CRRC Yangtze Group Co., Ltd. 29 Gems Sensors Inc. 29

Changzhou's Innovation Score vs. every tracked assignee

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

29 Top 71% higher than 29% of 50,000 US assignees

0–10: 687 US assignees (1%). Below this entry. 10–20: 2,527 US assignees (5%). Below this entry. 20–30: 13,162 US assignees (26%). This entry sits in this band. 30–40: 15,294 US assignees (31%). Above this entry. 40–50: 11,491 US assignees (23%). Above this entry. 50–60: 5,058 US assignees (10%). Above this entry. 60–70: 1,537 US assignees (3%). Above this entry. 70–80: 234 US assignees (0%). Above this entry. 80–90: 10 US assignees (0%). Above this entry. 90–100: 0 US assignees (0%). Above this entry. This assignee 0 100 every tracked assignee, bucketed by value

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

5 20242025 5
USPTO utility patent grants by year · 2024–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2024–2019 baseline. Full figures in the table below.

View data table
Changzhou T&D International Trading Co., Ltd. patent grants by year, 2015–2025
Year Patents Granted Share of Period
2024 5 50.0%
2025partial year 5 50.0%

Where it ranks

Overall rank by patents

#25,986

of 50,000 tracked assignees

Innovation Score

28.9 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?
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

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.