PlainPatent
USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Ching Shenger Co., Ltd.

USPTO PatentsView assignee record - 5 granted patents across 2 technology areas, recorded in grant years 2016–2023. 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: E03C (Domestic Plumbing Installations FOR Fresh Water OR Waste Water ; Sinks).

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The verdict

According to USPTO PatentsView, Ching ranks #45,649 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 2 technology areas.

#45,649
of 49,997 US assignees by volume
Top 49%
by Innovation Score (35.6/100)
7.4
avg claims per patent
+50%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R45649 · Foreign Corporation #45,649 · 5 grants

GRANTS-MICRO · BOTTOM-DECILE · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

  • GRANTS-MICRO 5 grants
  • BOTTOM-DECILE #45,649/49,997
  • PHOTO-FINISH China Merchants…
  • CPC-NARROW E03C · 2 areas
  • INNOV-THIN 35.6/100
  • CLAIMS-SPARSE 7.4 claims/avg
  • TYPE-FRNCORP Foreign Corp
  • VEL-SURGE +50% vel
  • BOOK-FULL 10/10 fields

Nearest grant-volume peer: China Merchants Heavy Industry (Jiangsu) Co., Ltd (±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 Ching’s 35.6 Innovation Score adds up

The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.

Innovation-score neighbourhood around Ching

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

score

What this shows Ching's Innovation Score is 35.6/100 (top 49% 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

Does more volume mean deeper claims for Ching?

Each dot is one of Ching’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). Ching’s own 7.4 claims/patent is at or below the 11.2 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

Ching vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView. 2×2 strategic matrix plotting 9 entities by Granted patents (volume) (X) and Avg claims / patent (Y), with a crosshair dividing the plot into four quadrants. Volume + depthSelective & thoroughVolume over depthLean filer 4.95.05.055.05.05.1 510152025 Granted patents (volume) Avg claims / patent China Merchants Heavy Industry (Jiangsu) Co., Ltd - 5, 15.2China Merchants H…China North Magnetic & Electronic Technology Co., Ltd. - 5, 9.6China North Magne…China Nuclear Power Technology Research Institute Co. Ltd. - 5, 12China Nuclear Pow…Chinese Academy of Sciences (CAS) - 5, 7Chinese Academy o…Chiquita Brands LLC - 5, 10.4Chiquita BrandsChiral Software, Inc. - 5, 20.4Chiral SoftwareChiscan Holdings PTE. Ltd - 5, 14.6Chiscan Holdings…Chongqing Aureavia Hi-Tech Glass Co., Ltd. - 5, 11.2Chongqing Aureavi…Ching Shenger Co., Ltd. - 5, 7.4Ching Shenger
Ching vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where Ching's grants concentrate

Ching Shenger Co., Ltd. is a focused PatentsView assignee: 2 CPC subclasses with 80% of grants classified under E03C (Domestic Plumbing Installations FOR Fresh Water OR Waste Water ; Sinks). Peak complete grant year is 2022 (2 grants) versus a trough of 1 in 2016. By volume, Ching sits between China Merchants Heavy Industry (Jiangsu) Co., Ltd and Chongqing Aureavia Hi-Tech Glass Co., Ltd..

Ching's three-year grant acceleration

Ching Shenger Co., Ltd. shows 3 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 Ching's volume?

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

patents

What this shows Ching holds 5 patents at rank #45,832, 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 Ching

By rank, the assignees closest to #45,832 in granted patent volume.

Leaders in E03C (Domestic Plumbing Installations FOR Fresh Water OR Waste…)

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

Ching's Innovation Score vs. every tracked assignee

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

36 Top 49% higher than 51% of 49,997 US assignees

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

0.511.522.5 2016201720222023 1
USPTO utility patent grants by year · 2016–2023

Grants by year

Teal-shaded recent years (2020–present) versus the 2016–2019 baseline. Full figures in the table below.

View data table
Ching Shenger Co., Ltd. patent grants by year, 2015–2025
Year Patents Granted Share of Period
2016 1 20.0%
2017 1 20.0%
2022 2 40.0%
2023 1 20.0%

Which technologies does Ching Shenger Co., Ltd. patent most?

Top 2 of 2 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

Ching Shenger Co., Ltd.'s patent record in context - here's where to go next.

  • Ching Shenger Co., Ltd.'s lead technology class is E03C (Domestic Plumbing Installations FOR Fresh Water OR Waste Water ; Sinks), 80% of its portfolio - see every assignee active in that class. Explore E03C
  • Ranked #45,649 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
  • Compare Ching Shenger Co., Ltd. against China Merchants Heavy Industry (Jiangsu) Co., Ltd, an assignee filing at a similar volume. Compare portfolios
  • Innovation Score of 35.6/100 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

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.