PlainPatent
USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Zhuhai Shichang Metals Ltd.

USPTO PatentsView assignee record - 73 granted patents across 5 technology areas, recorded in grant years 2015–2024. 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: A47B (TABLES; DESKS; Office FURNITURE; CABINETS; DRAWERS; General Details OF Furniture).

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The verdict

According to USPTO PatentsView, Zhuhai ranks #4,802 of 49,997 tracked US assignees by granted-patent volume, with 73 patents across 5 technology areas.

#4,802
of 49,997 US assignees by volume
24th percentile
by Innovation Score (27.5/100)
5.1
avg claims per patent
-74%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R4802 · Foreign Corporation #4,802 · 73 grants

GRANTS-SMALL · TOP-DECILE · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

  • GRANTS-SMALL 73 grants
  • TOP-DECILE #4,802/49,997
  • PHOTO-FINISH Traeger Pellet Grills
  • CPC-NARROW A47B · 5 areas
  • INNOV-THIN 27.5/100
  • CLAIMS-SPARSE 5.1 claims/avg
  • TYPE-FRNCORP Foreign Corp
  • VEL-DROP -74% vel
  • BOOK-FULL 10/10 fields

Nearest grant-volume peer: Traeger Pellet Grills, 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 Zhuhai’s 27.5 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 Zhuhai

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

score

What this shows Zhuhai's Innovation Score is 27.5/100 (24th percentile 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 Zhuhai?

Each dot is one of Zhuhai’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). Zhuhai’s own 5.1 claims/patent is at or below the 12.3 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

Zhuhai 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 71.57272.57373.5 0510152025 Granted patents (volume) Avg claims / patent Traeger Pellet Grills, LLC - 73, 12.32Traeger Pellet Gr…Vast Data Ltd. - 73, 19.66Vast DataVenus by Maria Tash, Inc. - 73, 3.99Venus by Maria Ta…Zhejiang Taotao Vehicles Co., Ltd - 73, 1.47Zhejiang Taotao V…Affymetrix, Inc. - 72, 17.89AffymetrixALI Group S.R.L.—CARPIGIANI - 72, 12.89ALI Group S R L —…Aukey Technology Co., Ltd - 72, 1.35Aukey TechnologyBlue River Technology Inc. - 72, 22.57Blue River Techno…Zhuhai Shichang Metals Ltd. - 73, 5.12Zhuhai Shichang M…
Zhuhai vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where Zhuhai's grants concentrate

Zhuhai Shichang Metals Ltd. is a focused PatentsView assignee: 5 CPC subclasses with 20.5% of grants classified under A47B (TABLES; DESKS; Office FURNITURE; CABINETS; DRAWERS; General Details OF Furniture). Peak complete grant year is 2017 (15 grants) versus a trough of 1 in 2024. By volume, Zhuhai sits between Traeger Pellet Grills, LLC and Blue River Technology Inc..

Zhuhai's three-year grant acceleration

From 2019–2021 to 2022–2024, Zhuhai Shichang Metals Ltd. moved from 20 to 5 grants (0.25x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

Who files at Zhuhai's volume?

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

patents

What this shows Zhuhai holds 73 patents at rank #4,802, 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 Zhuhai

By rank, the assignees closest to #4,802 in granted patent volume.

Leaders in A47B (Tables)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Zhuhai, neither rank-band nor same-CPC leaders (those blocks stay above). In A47B (Tables), Zhuhai ranks #50 of 990 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (28 here).

ModiFace Inc. 28 Adaerata, Limited Partnership 28 2724889 Ontario Inc. 28 Pulmocide Limited 28

Similar claim depth

Nearest assignees by average claims per patent (5.1 here).

Yachiyo Industry Co., Ltd. 5.1 avg National Presto Industries, Inc. 5.1 avg iNtRON Biotechnology, Inc. 5.1 avg Artemide S.P.A. 5.1 avg

Zhuhai's Innovation Score vs. every tracked assignee

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

28 24th percentile higher than 24% 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

05101520 201520162017201820192020202120232024 1
USPTO utility patent grants by year · 2015–2024

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table
Zhuhai Shichang Metals Ltd. patent grants by year, 2015–2025
Year Patents Granted Share of Period
2015 5 6.8%
2016 14 19.2%
2017 15 20.5%
2018 14 19.2%
2019 10 13.7%
2020 3 4.1%
2021 7 9.6%
2023 4 5.5%
2024 1 1.4%

Which technologies does Zhuhai Shichang Metals Ltd. patent most?

Top 5 of 5 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

Zhuhai Shichang Metals Ltd.'s patent record in context - here's where to go next.

  • Zhuhai Shichang Metals Ltd.'s lead technology class is A47B (TABLES; DESKS; Office FURNITURE; CABINETS; DRAWERS; General Details OF Furniture), 20.5% of its portfolio - see every assignee active in that class. Explore A47B
  • Ranked #4,802 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
  • Compare Zhuhai Shichang Metals Ltd. against Traeger Pellet Grills, LLC, an assignee filing at a similar volume. Compare portfolios
  • Innovation Score of 27.5/100 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.