Where does Chinook End-Stage Recycling Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Chinook End-Stage Recycling Limited ranks #39,446 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 Chinook End-Stage Recycling Limited hold?

Chinook End-Stage Recycling Limited holds 6 US utility patents granted between 2016 and 2018, spanning 14 technology areas.

What is Chinook End-Stage Recycling Limited's Innovation Score?

Chinook End-Stage Recycling Limited has an Innovation Score of 33.0 out of 100 (43rd percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Chinook End-Stage Recycling Limited's patent grant rate increasing or decreasing?

Chinook End-Stage Recycling Limited's recent grant velocity is -100% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

What does claim depth mean for Chinook End-Stage Recycling Limited's patents?

Chinook End-Stage Recycling Limited's patents average 21.8 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 Chinook End-Stage Recycling 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

Chinook End-Stage Recycling Limited

Q: What technology areas does Chinook End-Stage Recycling Limited focus on?

Chinook End-Stage Recycling Limited's top technology area is C10J (Production OF Producer GAS, Water-gas, Synthesis GAS From Solid Carbonaceous Material, OR Mixtures Containing These Gases ; Carburetting AIR OR Other Gases) with 4 patents, ranking #47 of 149 assignees active in that subclass. Grants appear in 14 CPC subclasses total.

USPTO PatentsView assignee record - 6 granted patents across 14 technology areas, recorded in grant years 2016–2018. 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: C10J (Production OF Producer GAS, Water-gas, Synthesis GAS From Solid Carbonaceous Material, OR Mixtures Containing These Gases ; Carburetting AIR OR Other Gases).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Chinook ranks #39,446 of 49,997 tracked US assignees by granted-patent volume, with 6 patents across 14 technology areas.

#39,446
of 49,997 US assignees by volume: 43rd percentile
by Innovation Score (33.0/100): 21.8
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R39446 · Foreign Corporation #39,446 · 6 grants

GRANTS-MICRO · LOWER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-DENSE · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 6 grants
LOWER-Q #39,446/49,997
PHOTO-FINISH Children's Hospital…
CPC-FOCUS C10J · 14 areas
INNOV-THIN 33.0/100
CLAIMS-DENSE 21.8 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Children's Hospital Medical Center of Akron (±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 Chinook’s 33.0 Innovation Score adds up

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

Volume 6.7 pts (20%) Velocity 0.0 pts (0%) Breadth 13.2 pts (40%) Claim depth 13.1 pts (40%)

Qualcomm Incorporated · highest

85
Chinook End-Stage… · this assignee

33
3D Lighting… · lowest

7

What this shows Chinook's Innovation Score is 33.0/100 (43rd 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 Chinook?

Each dot is one of Chinook’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). Chinook’s own 21.8 claims/patent is ABOVE the 14.5 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Chinook's grants concentrate

Chinook End-Stage Recycling Limited is a focused PatentsView assignee: 14 CPC subclasses with 66.7% of grants classified under C10J (Production OF Producer GAS, Water-gas, Synthesis GAS From Solid Carbonaceous Material, OR Mixtures Containing These Gases ; Carburetting AIR OR Other Gases). Peak complete grant year is 2016 (3 grants) versus a trough of 1 in 2018. By volume, Chinook sits between Children's Hospital Medical Center of Akron and Chondrocyte, LLC.

Children's Hospit…

6
Children's Medica…

6
China National In…

6
China Nuclear Pow…

6
Chioccoli

6
Chips Unlimited

6
Chirp Products

6
Chondrocyte

6
Chinook End-stage… ◀

6

What this shows Chinook holds 6 patents at rank #39,556, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Chinook

By rank, the assignees closest to #39,556 in granted patent volume.

Leaders in C10J (Production OF Producer GAS)

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

Chinook's Innovation Score vs. every tracked assignee

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

33 43rd percentile higher than 43% 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 · 2016–2018

Grants by year

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

View data table

Chinook End-Stage Recycling Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	3	50.0%
2017	2	33.3%
2018	1	16.7%

Which technologies does Chinook End-Stage Recycling Limited patent most?

C10J - Production OF Producer GAS, Water-gas, Synthesis GAS From Solid Carbonaceous Material, OR Mixtures Containing These Gases ; Carburetting AIR OR Other Gases 4

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 3

C10K - Purifying OR Modifying THE Chemical Composition OF Combustible Gases Containing Carbon Monoxide 3

F23G - Cremation FURNACES; Consuming Waste Products BY Combustion 2

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 2

F01K - Steam Engine PLANTS; Steam ACCUMULATORS; Engine Plants NOT Otherwise Provided FOR; Engines Using Special Working Fluids OR Cycles 2

C10B - Destructive Distillation OF Carbonaceous Materials FOR Production OF GAS, Coke, TAR, OR Similar Materials 2

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

C22B - Production AND Refining OF Metals ; Pretreatment OF RAW Materials 1

F02M - Supplying Combustion Engines IN General With Combustible Mixtures OR Constituents Thereof 1

F26B - Drying Solid Materials OR Objects BY Removing Liquid Therefrom 1

F27B - Furnaces, Kilns, Ovens OR Retorts IN GENERAL; Open Sintering OR Like Apparatus 1

C01B - Non-metallic ELEMENTS; Compounds THEREOF; ; Metalloids OR Compounds Thereof NOT Covered BY Subclass C01c 1

B01J - Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus 1

Top 14 of 14 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

Chinook End-Stage Recycling Limited's patent record in context - here's where to go next.

Chinook End-Stage Recycling Limited's lead technology class is C10J (Production OF Producer GAS, Water-gas, Synthesis GAS From Solid Carbonaceous Material, OR Mixtures Containing These Gases ; Carburetting AIR OR Other Gases), 66.7% of its portfolio - see every assignee active in that class. Explore C10J
Ranked #39,446 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Chinook End-Stage Recycling Limited against Children's Hospital Medical Center of Akron, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 33.0/100 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

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.