Where does Cool Energy, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Cool Energy, Inc. ranks #45,867 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 Cool Energy, Inc. hold?

Cool Energy, Inc. holds 5 US utility patents granted between 2015 and 2021, spanning 5 technology areas.

What is Cool Energy, Inc.'s Innovation Score?

Cool Energy, Inc. has an Innovation Score of 23.8 out of 100 (13th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Cool Energy, Inc.'s patent grant rate increasing or decreasing?

Cool Energy, Inc.'s recent grant velocity is -75% 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 Cool Energy, Inc.'s patents?

Cool Energy, Inc.'s patents average 16.2 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 Cool Energy, Inc. 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

Cool Energy, Inc.

Q: What technology areas does Cool Energy, Inc. focus on?

Cool Energy, Inc.'s top technology area is F02G (HOT GAS OR Combustion-product Positive-displacement Engine Plants ; USE OF Waste Heat OF Combustion ENGINES; NOT Otherwise Provided FOR) with 3 patents, ranking #14 of 70 assignees active in that subclass. Grants appear in 5 CPC subclasses total.

USPTO PatentsView assignee record - 5 granted patents across 5 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: F02G (HOT GAS OR Combustion-product Positive-displacement Engine Plants ; USE OF Waste Heat OF Combustion ENGINES; NOT Otherwise Provided FOR).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Cool ranks #45,867 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 5 technology areas.

#45,867
of 49,997 US assignees by volume: 13th percentile
by Innovation Score (23.8/100): 16.2
avg claims per patent: -75%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R45867 · US Corporation #45,867 · 5 grants

GRANTS-MICRO · BOTTOM-DECILE · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-USCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 5 grants
BOTTOM-DECILE #45,867/49,997
PHOTO-FINISH Control
CPC-NARROW F02G · 5 areas
INNOV-THIN 23.8/100
CLAIMS-RICH 16.2 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -75% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Control 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 Cool’s 23.8 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 6.2 pts (26%) Velocity 0.0 pts (0%) Breadth 7.9 pts (33%) Claim depth 9.7 pts (41%)

Qualcomm Incorporated · highest

85
Cool Energy · this assignee

24
3D Lighting… · lowest

7

What this shows Cool's Innovation Score is 23.8/100 (13th 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 Cool?

Each dot is one of Cool’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). Cool’s own 16.2 claims/patent is ABOVE the 16.0 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Cool's grants concentrate

Cool Energy, Inc. is a focused PatentsView assignee: 5 CPC subclasses with 60% of grants classified under F02G (HOT GAS OR Combustion-product Positive-displacement Engine Plants ; USE OF Waste Heat OF Combustion ENGINES; NOT Otherwise Provided FOR). Peak complete grant year is 2016 (2 grants) versus a trough of 1 in 2015. By volume, Cool sits between Control Ltd. and Copper Inc..

Control

5
Convergene

5
Conversant

5
Conwed Plastics A…

5
Coolcad

5
Cooper Technology

5
Copeland Industri…

5
Copper

5
Cool Energy ◀

5

What this shows Cool holds 5 patents at rank #45,947, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Cool

By rank, the assignees closest to #45,947 in granted patent volume.

Leaders in F02G (HOT GAS OR Combustion-product Positive-displacement Engin…)

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

Cool's Innovation Score vs. every tracked assignee

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

24 13th percentile higher than 13% 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

Cool Energy, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	20.0%
2016	2	40.0%
2018	1	20.0%
2021	1	20.0%

Which technologies does Cool Energy, Inc. patent most?

F02G - HOT GAS OR Combustion-product Positive-displacement Engine Plants ; USE OF Waste Heat OF Combustion ENGINES; NOT Otherwise Provided FOR 3

F16J - Pistons ; CYLINDERS; Sealings 2

F01B - Machines OR Engines, IN General OR OF Positive-displacement Type, e.g. Steam Engines 2

F28D - Heat-exchange Apparatus, NOT Provided FOR IN Another Subclass, IN Which THE Heat-exchange Media DO NOT Come Into Direct Contact 1

F28F - Details OF Heat-exchange AND Heat-transfer Apparatus, OF General Application 1

Top 5 of 5 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

Cool Energy, Inc.'s patent record in context - here's where to go next.

Cool Energy, Inc.'s lead technology class is F02G (HOT GAS OR Combustion-product Positive-displacement Engine Plants ; USE OF Waste Heat OF Combustion ENGINES; NOT Otherwise Provided FOR), 60% of its portfolio - see every assignee active in that class. Explore F02G
Ranked #45,867 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Cool Energy, Inc. against Control Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 23.8/100 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.