Where does Zinniatek Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Zinniatek Limited ranks #16,534 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does Zinniatek Limited hold?

Zinniatek Limited holds 18 US utility patents granted between 2016 and 2025, spanning 25 technology areas.

What is Zinniatek Limited's Innovation Score?

Zinniatek Limited has an Innovation Score of 48.6 out of 100 (top 16% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Zinniatek Limited focus on?

Zinniatek Limited's top technology area is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution) with 13 patents, ranking #1,009 of 5,963 assignees active in that subclass. Grants appear in 25 CPC subclasses total.

Is Zinniatek Limited's patent grant rate increasing or decreasing?

Zinniatek Limited's recent grant velocity is +140% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Zinniatek Limited's patents?

Zinniatek Limited's patents average 25.6 claims each. This is an aggregate descriptive count from the grant record; it does not establish claim scope, legal strength, enforceability, or design-around risk.

How is the Zinniatek Limited patent data sourced?

All patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office covering US granted utility patents from 2015 to 2025.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Zinniatek Limited

USPTO PatentsView assignee record - 18 granted patents across 25 technology areas, recorded in grant years 2016–2025. 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: Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Zinniatek ranks #16,534 of 49,997 tracked US assignees by granted-patent volume, with 18 patents across 25 technology areas.

#16,534
of 49,997 US assignees by volume: Top 16%
by Innovation Score (48.6/100): 25.6
avg claims per patent: +140%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R16534 · Foreign Corporation #16,534 · 18 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-DENSE · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-MICRO 18 grants
MID-PACK #16,534/49,997
PHOTO-FINISH bioMérieux
CPC-FOCUS Y02E · 25 areas
INNOV-PAR 48.6/100
CLAIMS-DENSE 25.6 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +140% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: bioMérieux, S.A. (±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 Zinniatek’s 48.6 Innovation Score adds up

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

Volume 10.2 pts (21%) Velocity 5.7 pts (12%) Breadth 17.7 pts (36%) Claim depth 15.0 pts (31%)

Qualcomm Incorporated · highest

85
Zinniatek · this assignee

49
3D Lighting… · lowest

7

What this shows Zinniatek's Innovation Score is 48.6/100 (top 16% 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 Zinniatek?

Each dot is one of Zinniatek’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). Zinniatek’s own 25.6 claims/patent is ABOVE the 16.8 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

Zinniatek vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where Zinniatek's grants concentrate

Zinniatek Limited is a focused PatentsView assignee: 25 CPC subclasses with 72.2% of grants classified under Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution). Peak complete grant year is 2020 (4 grants) versus a trough of 1 in 2016. By volume, Zinniatek sits between Zurn Water, LLC and 1st Detect Corporation.

Zinniatek's three-year grant acceleration

Zinniatek Limited shows 6 grants in 2022–2024 against only 7 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.

Zurn Water

18
Zeller Digital In…

18
Zhejiang Universi…

18
Zhuhai Ding Rong…

18
biomérieux

18
iposi

18
thyssenkrupp Rass…

18
Zinniatek ◀

18
1st Detect

17

What this shows Zinniatek holds 18 patents at rank #16,532, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Zinniatek

By rank, the assignees closest to #16,532 in granted patent volume.

Leaders in Y02E (Reduction OF Greenhouse GAS [GHG] Emissions)

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

Zinniatek's Innovation Score vs. every tracked assignee

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

49 Top 16% higher than 84% 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

USPTO utility patent grants by year · 2016–2025

Grants by year

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

View data table

Zinniatek Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	1	5.6%
2017	2	11.1%
2018	1	5.6%
2019	1	5.6%
2020	4	22.2%
2021	2	11.1%
2022	3	16.7%
2023	2	11.1%
2024	1	5.6%
2025partial year	1	5.6%

Which technologies does Zinniatek Limited patent most?

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 13

F24S - Solar Heat COLLECTORS; Solar Heat Systems 11

Y02B - Climate Change Mitigation Technologies Related TO Buildings, e.g. Housing, House Appliances OR Related End-user Applications 11

E04D - Roof COVERINGS; SKY-LIGHTS; GUTTERS; Roof-working Tools 9

H02S - Generation OF Electric Power BY Conversion OF Infrared Radiation, Visible Light OR Ultraviolet Light, e.g. Using Photovoltaic [PV] Modules 9

F28F - Details OF Heat-exchange AND Heat-transfer Apparatus, OF General Application 4

H10F - Inorganic Semiconductor Devices Sensitive TO Infrared Radiation, Light, Electromagnetic Radiation OF Shorter Wavelength OR Corpuscular Radiation 4

E04F - Finishing Work ON Buildings, e.g. Stairs, Floors 4

Y10T - Technical Subjects Covered BY Former US Classification 3

F24F - AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR Currents FOR Screening 3

F24D - Domestic- OR Space-heating Systems, e.g. Central Heating SYSTEMS; Domestic Hot-water Supply SYSTEMS; Elements OR Components Therefor 3

Y02A - Technologies FOR Adaptation TO Climate Change 2

B44C - Producing Decorative Effects ; MOSAICS; Tarsia Work ; Paperhanging 1

C04B - Lime, MAGNESIA; SLAG; CEMENTS; Compositions Thereof, e.g. Mortars, Concrete OR Like Building MATERIALS; Artificial Stone ; Ceramics ; REFRACTORIES; Treatment OF Natural Stone 1

B05D - Processes FOR Applying Fluent Materials TO Surfaces, IN General 1

Top 15 of 25 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

Zinniatek Limited's patent record in context - here's where to go next.

Zinniatek Limited's lead technology class is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution), 72.2% of its portfolio - see every assignee active in that class. Explore Y02E
Ranked #16,534 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Zinniatek Limited against Zurn Water, LLC, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 48.6/100 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

Compiled by PlainPatent, US Patent Intelligence Editorial Process · May 15, 2026

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.