PlainPatent
USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Zeal Innovation Ltd

USPTO PatentsView assignee record - 9 granted patents across 5 technology areas, recorded in grant years 2019–2025. 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: E05B (LOCKS; Accessories THEREFOR; Handcuffs).

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The verdict

According to USPTO PatentsView, Zeal ranks #30,664 of 49,997 tracked US assignees by granted-patent volume, with 9 patents across 5 technology areas.

#30,664
of 49,997 US assignees by volume
11th percentile
by Innovation Score (23.0/100)
11.9
avg claims per patent
-100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R30664 · Foreign Corporation #30,664 · 9 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-PAR · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

  • GRANTS-MICRO 9 grants
  • MID-PACK #30,664/49,997
  • PHOTO-FINISH Zadro
  • CPC-NARROW E05B · 5 areas
  • INNOV-THIN 23.0/100
  • CLAIMS-PAR 11.9 claims/avg
  • TYPE-FRNCORP Foreign Corp
  • VEL-DROP -100% vel
  • BOOK-FULL 10/10 fields

Nearest grant-volume peer: Zadro, Inc. (±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 Zeal

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

score

What this shows Zeal's Innovation Score is 23.0/100 (11th 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

Where Zeal's grants concentrate

Zeal Innovation Ltd is a focused PatentsView assignee: 5 CPC subclasses with 44.4% of grants classified under E05B (LOCKS; Accessories THEREFOR; Handcuffs). By volume, Zeal sits between Ziptek, LLC and Zhejiang Huahai LiCheng Pharmaceutical Co., Ltd..

Who files at Zeal's volume?

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

patents

What this shows Zeal holds 9 patents at rank #30,651, 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 Zeal

By rank, the assignees closest to #30,651 in granted patent volume.

Leaders in E05B (Locks)

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

Zeal's Innovation Score vs. every tracked assignee

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

23 11th percentile higher than 11% 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

234567 20192025 6
USPTO utility patent grants by year · 2019–2025

Grants by year

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

View data table
Zeal Innovation Ltd patent grants by year, 2015–2025
Year Patents Granted Share of Period
2019 3 33.3%
2025partial year 6 66.7%

Which technologies does Zeal Innovation Ltd patent most?

Top 5 of 5 technology areas

Where it ranks

Overall rank by patents

#30,664

of 49,997 tracked assignees

Innovation Score

23.0 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

Zeal Innovation Ltd's patent record in context - here's where to go next.

  • Zeal Innovation Ltd's lead technology class is E05B (LOCKS; Accessories THEREFOR; Handcuffs), 44.4% of its portfolio - see every assignee active in that class. Explore E05B
  • Ranked #30,664 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
  • Compare Zeal Innovation Ltd against Ziptek, LLC, an assignee filing at a similar volume. Compare portfolios
  • Innovation Score of 23.0/100 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.