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).
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.
How Zeal’s 23.0 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 Zeal
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
- Qualcomm Incorporated · highest
Qualcomm Incorporated · highest
85 score
- Zeal Innovation · this assignee 23
Zeal Innovation · this assignee
23 score
- 3D Lighting… · lowest 7
3D Lighting… · lowest
7 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.
Does more volume mean deeper claims for Zeal?
Each dot is one of Zeal’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). Zeal’s own 11.9 claims/patent is ABOVE the 8.8 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.
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 ◀
- Ziptek
Ziptek, LLC
9 patents
- Zju-hangzhou Glob…
Zju-hangzhou Global Scientific AND Technological Innovation Center
9 patents
- Zonhon Biopharma…
Zonhon Biopharma Institute, Inc.
9 patents
- Zadro
Zadro, Inc.
9 patents
- Zeikos
Zeikos Inc.
9 patents
- Zenith
Zenith Electronics LLC
9 patents
- Zepp Labs
Zepp Labs, Inc.
9 patents
- Zhejiang Huahai L…
Zhejiang Huahai LiCheng Pharmaceutical Co., Ltd.
9 patents
- Zeal Innovation ◀
Zeal Innovation Ltd
9 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.
Companies ranked near Zeal
By rank, the assignees closest to #30,651 in granted patent volume.
- Ziptek, LLC #30,647 · 9 patents
- Zju-hangzhou Global Scientific AND Technological Innovation Center #30,648 · 9 patents
- Zonhon Biopharma Institute, Inc. #30,649 · 9 patents
- Zadro, Inc. #30,650 · 9 patents
- Zeikos Inc. #30,652 · 9 patents
- Zenith Electronics LLC #30,653 · 9 patents
- Zepp Labs, Inc. #30,654 · 9 patents
- Zhejiang Huahai LiCheng Pharmaceutical Co., Ltd. #30,655 · 9 patents
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
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
Grants by year
Teal-shaded recent years (2020–present) versus the 2019–2019 baseline. Full figures in the table below.
View data table
| 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
Data Source
USPTO PatentsView, US granted patents 2015–2025
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.
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.