Where does John Zink Company, LLC rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), John Zink Company, LLC ranks #8,059 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 John Zink Company, LLC hold?

John Zink Company, LLC holds 40 US utility patents granted between 2015 and 2025, spanning 22 technology areas.

What is John Zink Company, LLC's Innovation Score?

John Zink Company, LLC has an Innovation Score of 38.4 out of 100 (top 41% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does John Zink Company, LLC focus on?

John Zink Company, LLC's top technology area is F23D (Burners) with 10 patents, ranking #29 of 247 assignees active in that subclass. Grants appear in 22 CPC subclasses total.

Is John Zink Company, LLC's patent grant rate increasing or decreasing?

John Zink Company, LLC's recent grant velocity is +127% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for John Zink Company, LLC's patents?

John Zink Company, LLC's patents average 10.3 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 John Zink Company, LLC 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 US Corporation

John Zink Company, LLC

USPTO PatentsView assignee record - 40 granted patents across 22 technology areas, recorded in grant years 2015–2025. 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: F23D (Burners).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, John ranks #8,059 of 49,997 tracked US assignees by granted-patent volume, with 40 patents across 22 technology areas.

#8,059
of 49,997 US assignees by volume: Top 41%
by Innovation Score (38.4/100): 10.3
avg claims per patent: +127%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R8059 · US Corporation #8,059 · 40 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-PAR · TYPE-USCORP · VEL-SURGE · BOOK-FULL

GRANTS-SMALL 40 grants
UPPER-Q #8,059/49,997
PHOTO-FINISH JCR Pharmaceuticals
CPC-FOCUS F23D · 22 areas
INNOV-THIN 38.4/100
CLAIMS-PAR 10.3 claims/avg
TYPE-USCORP US Corporation
VEL-SURGE +127% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: JCR Pharmaceuticals 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 John’s 38.4 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 12.8 pts (33%) Velocity 2.9 pts (8%) Breadth 16.6 pts (43%) Claim depth 6.1 pts (16%)

Qualcomm Incorporated · highest

85
John Zink · this assignee

38
Khalifa University… · near

38
Kissei Pharmaceutical · near

38
Rubicon Global… · near

38
Seqirus UK · near

38
3D Lighting… · lowest

7

What this shows John's Innovation Score is 38.4/100 (top 41% 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 John?

Each dot is one of John’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). John’s own 10.3 claims/patent is at or below the 13.7 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where John's grants concentrate

John Zink Company, LLC is a focused PatentsView assignee: 22 CPC subclasses with 25% of grants classified under F23D (Burners). Peak complete grant year is 2020 (14 grants) versus a trough of 1 in 2015. By volume, John sits between J.W. Speaker Corporation and Kumiai Chemical Industry Co., Ltd..

John's three-year grant acceleration

From 2019–2021 to 2022–2024, John Zink Company, LLC moved from 21 to 9 grants (0.43x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

J W Speaker

40
JCR Pharmaceutica…

40
Jetzero

40
Johannes Gutenber…

40
Keihin Thermal Te…

40
Kirin Holdings

40
Kuhn

40
Kumiai Chemical I…

40
John Zink ◀

40

What this shows John holds 40 patents at rank #8,059, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near John

By rank, the assignees closest to #8,059 in granted patent volume.

Leaders in F23D (Burners)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for John, neither rank-band nor same-CPC leaders (those blocks stay above). In F23D (Burners), John ranks #29 of 247 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (38 here).

Rubicon Global Holdings, LLC 38 Khalifa University of Science, Technology and Research 38 Kissei Pharmaceutical Co., Ltd. 38 Seqirus UK Limited 38

John's Innovation Score vs. every tracked assignee

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

38 Top 41% higher than 59% 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 · 2015–2025

Grants by year

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

View data table

John Zink Company, LLC patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	2.5%
2016	1	2.5%
2017	1	2.5%
2018	3	7.5%
2019	5	12.5%
2020	14	35.0%
2021	2	5.0%
2022	3	7.5%
2023	5	12.5%
2024	1	2.5%
2025partial year	4	10.0%

Which technologies does John Zink Company, LLC patent most?

F23D - Burners 10

F23C - Methods OR Apparatus FOR Combustion Using Fluid Fuel OR Solid Fuel Suspended IN ; A Carrier GAS OR; AIR 7

C10G - Cracking Hydrocarbon OILS; Production OF Liquid Hydrocarbon Mixtures, e.g. BY Destructive Hydrogenation, Oligomerisation, Polymerisation ; Recovery OF Hydrocarbon Oils From Oil-shale, Oil-sand, OR GASES; Refining Mixtures Mainly Consisting OF HYDROCARBONS; Reforming OF NAPHTHA; Mineral Waxes 7

F23N - Regulating OR Controlling Combustion 7

F23G - Cremation FURNACES; Consuming Waste Products BY Combustion 5

B01D - Separation 4

F23L - Supplying AIR OR Non-combustible Liquids OR Gases TO Combustion Apparatus IN General ; Valves OR Dampers Specially Adapted FOR Controlling AIR Supply OR Draught IN Combustion Apparatus ; Inducing Draught IN Combustion APPARATUS; Tops FOR Chimneys OR Ventilating SHAFTS; Terminals FOR Flues 3

E21B - Earth OR Rock DRILLING; Obtaining OIL, GAS, Water, Soluble OR Meltable Materials OR A Slurry OF Minerals From Wells 3

G05D - Systems FOR Controlling OR Regulating Non-electric Variables 2

F16J - Pistons ; CYLINDERS; Sealings 2

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 2

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 1

F02C - Gas-turbine PLANTS; AIR Intakes FOR Jet-propulsion PLANTS; Controlling Fuel Supply IN Air-breathing Jet-propulsion Plants 1

F23R - Generating Combustion Products OF High Pressure OR High Velocity, e.g. Gas-turbine Combustion Chambers 1

F23Q - Ignition ; Extinguishing-devices 1

Top 15 of 22 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

John Zink Company, LLC's patent record in context - here's where to go next.

John Zink Company, LLC's lead technology class is F23D (Burners), 25% of its portfolio - see every assignee active in that class. Explore F23D
Ranked #8,059 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare John Zink Company, LLC against J.W. Speaker Corporation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 38.4/100 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.