USPTO 2015–2025 USPTO PatentsView US Corporation

John Zink Company, Llc

USPTO PatentsView assignee record - 40 granted patents across 22 technology areas, active 2015–2025. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. Primary class: F23D (BURNERS).

Compiled byPlainPatent Editorial, US Patent Intelligence Editorial Team · May 15, 2026

Explore the portfolio See the ranking

Total patents granted

CPC technology areas

10.3

Avg claims per patent

+164%

5-year filing velocity

The verdict

John holds 40 US patents across 22 technology areas, rank #8,059 of 50,000 tracked assignees.

#8,059
of 50,000 US assignees by volume: Top 41%
by Innovation Score (38.4/100): 10.3
avg claims per patent: +164%
filing velocity, last 5 yrs

Portfolio overview

John Zink Company, Llc has been granted 40 US utility patents between 2015 and 2025, placing John Zink Company, Llc at rank #8,059 across all assignees tracked by PlainPatent. This portfolio spans 22 distinct Cooperative Patent Classification (CPC) subclasses, averaging 10.3 claims per patent with primary concentration in F23D (BURNERS). As a US Corporation, John Zink Company, Llc is one of the more focused assignees in the PatentsView dataset. By volume, John sits between J.w. Speaker Corporation (40 patents, rank #8,055) and Kumiai Chemical Industry Co., Ltd. (40 patents, rank #8,063) - the closest US assignees by grant volume. The composite Innovation Score of 38.4/100 blends portfolio volume, filing velocity, technology breadth, and claim depth into a single comparable measure drawn directly from USPTO PatentsView records.

Filing cadence tells the strategic story. Between 2020 and 2025 the company received 29 grants, compared with 11 in the 2015–2019 window, a +164% shift in five-year velocity. An acceleration of this magnitude signals aggressive R&D investment and expanding technical ambition. The US Corporation classification further shapes interpretation, since corporate, government, and individual filers pursue patents for materially different reasons.

Claim depth and technology breadth together indicate competitive posture. John Zink Company, Llc's 10.3 average claims per patent suggests focused, narrowly drawn claims typical of single-invention filings, while a multi-domain presence across 22 subclasses balances depth with breadth. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark John Zink Company, Llc against peers pursuing similar technology classes.

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.

John's Innovation Score vs. every tracked assignee

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

38 Top 41% higher than 59% of 50,000 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%
2025	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

Patent Moat Analysis

Portfolio Volume Light

Tech Breadth Multi-domain

Claim Depth Simple

Velocity Accelerating

Where it ranks

Overall rank by patents

#8,059

Across all tracked assignees

Innovation Score

38.4 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

Frequently Asked Questions

How many patents does John Zink Company, Llc hold?

John Zink Company, Llc holds 40 US granted patents filed 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. This composite metric weighs portfolio volume (40%), filing 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. The company has filed patents in 22 CPC subclasses total.

Is John Zink Company, Llc's patent filing rate increasing or decreasing?

John Zink Company, Llc's recent filing velocity is +164% compared to the prior five-year period. This indicates accelerating innovation.

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 relatively simple claim structure, typical for focused inventions.

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.

How to use this portfolio

John's 40 grants land it in the top 41% by Innovation Score, but volume alone doesn't tell you where the strength sits.

Read that count against the largest US assignees before treating it as dominance - John ranks #8,059 of 50,000. Top 50 holders
Most of this portfolio concentrates in F23D - see who else leads that technology area. F23D leaders
Check what the four-part Innovation Score actually rewards before comparing it to another company. How the score works

Patent counts and the Innovation Score measure patenting activity, not commercial success or the legal strength of any patent. Many patents are filed defensively. Verify the status of an individual patent against official USPTO records.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent Editorial

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 byPlainPatent Editorial, US Patent Intelligence Editorial Team · 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.