Where does Eemax, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Eemax, Inc. ranks #22,504 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 Eemax, Inc. hold?

Eemax, Inc. holds 12 US utility patents granted between 2015 and 2021, spanning 10 technology areas.

What is Eemax, Inc.'s Innovation Score?

Eemax, Inc. has an Innovation Score of 31.0 out of 100 (36th 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 Eemax, Inc. focus on?

Eemax, Inc.'s top technology area is F24H (Fluid Heaters, e.g. Water OR AIR Heaters, Having Heat-generating Means, e.g. Heat Pumps, IN General) with 12 patents, ranking #24 of 303 assignees active in that subclass. Grants appear in 10 CPC subclasses total.

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

Eemax, Inc.'s recent grant velocity is -67% 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 Eemax, Inc.'s patents?

Eemax, Inc.'s patents average 18.3 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 Eemax, 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

Eemax, Inc.

USPTO PatentsView assignee record - 12 granted patents across 10 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: F24H (Fluid Heaters, e.g. Water OR AIR Heaters, Having Heat-generating Means, e.g. Heat Pumps, IN General).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Eemax ranks #22,504 of 49,997 tracked US assignees by granted-patent volume, with 12 patents across 10 technology areas.

#22,504
of 49,997 US assignees by volume: 36th percentile
by Innovation Score (31.0/100): 18.3
avg claims per patent: -67%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R22504 · US Corporation #22,504 · 12 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-RICH · TYPE-USCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 12 grants
MID-PACK #22,504/49,997
PHOTO-FINISH Easy Aerial
CPC-FOCUS F24H · 10 areas
INNOV-THIN 31.0/100
CLAIMS-RICH 18.3 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -67% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Easy Aerial 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 Eemax’s 31.0 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 8.9 pts (29%) Velocity 0.0 pts (0%) Breadth 11.2 pts (36%) Claim depth 11.0 pts (35%)

Qualcomm Incorporated · highest

85
Eemax · this assignee

31
3D Lighting… · lowest

7

What this shows Eemax's Innovation Score is 31.0/100 (36th 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 Eemax?

Each dot is one of Eemax’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). Eemax’s own 18.3 claims/patent is ABOVE the 14.0 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Eemax's grants concentrate

Eemax, Inc. is a focused PatentsView assignee: 10 CPC subclasses with 100% of grants classified under F24H (Fluid Heaters, e.g. Water OR AIR Heaters, Having Heat-generating Means, e.g. Heat Pumps, IN General). Peak complete grant year is 2019 (3 grants) versus a trough of 1 in 2015. By volume, Eemax sits between Easy Aerial Inc. and Elysium Health, Inc..

Easy Aerial

12
ECO Logic Brands

12
Econic

12
Ecoplastic

12
Elcelyx Therapeut…

12
Elite Semiconduct…

12
Elivac

12
Elysium Health

12
Eemax ◀

12

What this shows Eemax holds 12 patents at rank #22,497, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Eemax

By rank, the assignees closest to #22,497 in granted patent volume.

Leaders in F24H (Fluid Heaters)

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

Eemax's Innovation Score vs. every tracked assignee

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

31 36th percentile higher than 36% 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

Eemax, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	8.3%
2016	2	16.7%
2017	1	8.3%
2018	2	16.7%
2019	3	25.0%
2020	2	16.7%
2021	1	8.3%

Which technologies does Eemax, Inc. patent most?

F24H - Fluid Heaters, e.g. Water OR AIR Heaters, Having Heat-generating Means, e.g. Heat Pumps, IN General 12

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General 7

F24D - Domestic- OR Space-heating Systems, e.g. Central Heating SYSTEMS; Domestic Hot-water Supply SYSTEMS; Elements OR Components Therefor 5

E03C - Domestic Plumbing Installations FOR Fresh Water OR Waste Water ; Sinks 2

A47J - Kitchen EQUIPMENT; Coffee MILLS; Spice MILLS; Apparatus FOR Making Beverages 1

F03B - Machines OR Engines FOR Liquids 1

B67D - Dispensing, Delivering OR Transferring Liquids, NOT Otherwise Provided FOR 1

B23P - Metal-working NOT Otherwise Provided FOR; Combined OPERATIONS; Universal Machine Tools 1

Y10T - Technical Subjects Covered BY Former US Classification 1

B05B - Spraying APPARATUS; Atomising APPARATUS; Nozzles 1

Top 10 of 10 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

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

Eemax, Inc.'s lead technology class is F24H (Fluid Heaters, e.g. Water OR AIR Heaters, Having Heat-generating Means, e.g. Heat Pumps, IN General), 100% of its portfolio - see every assignee active in that class. Explore F24H
Ranked #22,504 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Eemax, Inc. against Easy Aerial Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 31.0/100 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.