Where does Charcoal Companion Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Charcoal Companion Limited ranks #8,555 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 Charcoal Companion Limited hold?

Charcoal Companion Limited holds 37 US utility patents granted between 2015 and 2021, spanning 4 technology areas.

What is Charcoal Companion Limited's Innovation Score?

Charcoal Companion Limited has an Innovation Score of 21.7 out of 100 (9th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Charcoal Companion Limited focus on?

Charcoal Companion Limited's top technology area is A47J (Kitchen EQUIPMENT; Coffee MILLS; Spice MILLS; Apparatus FOR Making Beverages) with 6 patents, ranking #170 of 793 assignees active in that subclass. Grants appear in 4 CPC subclasses total.

Is Charcoal Companion Limited's patent grant rate increasing or decreasing?

Charcoal Companion Limited's recent grant velocity is -94% 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 Charcoal Companion Limited's patents?

Charcoal Companion Limited's patents average 3.5 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 Charcoal Companion 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

Charcoal Companion Limited

USPTO PatentsView assignee record - 37 granted patents across 4 technology areas, recorded in grant years 2015–2021. 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: A47J (Kitchen EQUIPMENT; Coffee MILLS; Spice MILLS; Apparatus FOR Making Beverages).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Charcoal ranks #8,555 of 49,997 tracked US assignees by granted-patent volume, with 37 patents across 4 technology areas.

#8,555
of 49,997 US assignees by volume: 9th percentile
by Innovation Score (21.7/100): 3.5
avg claims per patent: -94%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R8555 · Foreign Corporation #8,555 · 37 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-SMALL 37 grants
UPPER-Q #8,555/49,997
PHOTO-FINISH Cannuflow
CPC-NARROW A47J · 4 areas
INNOV-THIN 21.7/100
CLAIMS-SPARSE 3.5 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -94% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Cannuflow, 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 Charcoal’s 21.7 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 12.6 pts (58%) Velocity 0.0 pts (0%) Breadth 7.1 pts (33%) Claim depth 2.1 pts (10%)

Qualcomm Incorporated · highest

85
Beifa Group · near

22
Symphony Evolution · near

22
Robert Welch Designs · near

22
Charcoal Companion · this assignee

22
Altatech Semiconductor · near

22
3D Lighting… · lowest

7

What this shows Charcoal's Innovation Score is 21.7/100 (9th 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 Charcoal?

Each dot is one of Charcoal’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). Charcoal’s own 3.5 claims/patent is at or below the 16.1 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Charcoal's grants concentrate

Charcoal Companion Limited is a focused PatentsView assignee: 4 CPC subclasses with 16.2% of grants classified under A47J (Kitchen EQUIPMENT; Coffee MILLS; Spice MILLS; Apparatus FOR Making Beverages). Peak complete grant year is 2018 (17 grants) versus a trough of 1 in 2020. By volume, Charcoal sits between CTB, Inc. and Core Scientific, Inc..

CTB

37
Cannuflow

37
Ceramatec

37
Changchun Institu…

37
Clariant Finance…

37
Consumer Safety T…

37
Contitech Antrieb…

37
Core Scientific

37
Charcoal Companion ◀

37

What this shows Charcoal holds 37 patents at rank #8,559, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Charcoal

By rank, the assignees closest to #8,559 in granted patent volume.

Leaders in A47J (Kitchen Equipment)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Charcoal, neither rank-band nor same-CPC leaders (those blocks stay above). In A47J (Kitchen Equipment), Charcoal ranks #170 of 793 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (22 here).

Robert Welch Designs Ltd. 22 Symphony Evolution, Inc. 22 Altatech Semiconductor 22 Beifa Group Co., Ltd. 22

Charcoal's Innovation Score vs. every tracked assignee

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

22 9th percentile higher than 9% 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 · 2015–2021

Grants by year

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

View data table

Charcoal Companion Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	5	13.5%
2016	2	5.4%
2017	4	10.8%
2018	17	45.9%
2019	7	18.9%
2020	1	2.7%
2021	1	2.7%

Which technologies does Charcoal Companion Limited patent most?

A47J - Kitchen EQUIPMENT; Coffee MILLS; Spice MILLS; Apparatus FOR Making Beverages 6

A23B - Preservation OF Foods, Foodstuffs OR Non-alcoholic BEVERAGES; Chemical Ripening OF Fruit OR Vegetables 2

Y02A - Technologies FOR Adaptation TO Climate Change 1

A23L - Foods, Foodstuffs OR Non-alcoholic Beverages, NOT Otherwise Provided FOR; Preparation OR Treatment Thereof 1

Top 4 of 4 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

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

Charcoal Companion Limited's lead technology class is A47J (Kitchen EQUIPMENT; Coffee MILLS; Spice MILLS; Apparatus FOR Making Beverages), 16.2% of its portfolio - see every assignee active in that class. Explore A47J
Ranked #8,555 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Charcoal Companion Limited against CTB, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 21.7/100 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.