Where does Heateflex Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Heateflex Corporation ranks #47,367 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 Heateflex Corporation hold?

Heateflex Corporation holds 5 US utility patents granted between 2017 and 2019, spanning 10 technology areas.

What is Heateflex Corporation's Innovation Score?

Heateflex Corporation has an Innovation Score of 30.7 out of 100 (35th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Heateflex Corporation's patent grant rate increasing or decreasing?

Heateflex Corporation'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 Heateflex Corporation's patents?

Heateflex Corporation's patents average 22.2 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 Heateflex Corporation 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

Heateflex Corporation

Q: What technology areas does Heateflex Corporation focus on?

Heateflex Corporation'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 2 patents. Grants appear in 10 CPC subclasses total.

USPTO PatentsView assignee record - 5 granted patents across 10 technology areas, recorded in grant years 2017–2019. 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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The verdict

According to USPTO PatentsView, Heateflex ranks #47,367 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 10 technology areas.

#47,367
of 49,997 US assignees by volume: 35th percentile
by Innovation Score (30.7/100): 22.2
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R47367 · US Corporation #47,367 · 5 grants

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

GRANTS-MICRO 5 grants
BOTTOM-DECILE #47,367/49,997
PHOTO-FINISH Healthgen Biotechnol…
CPC-FOCUS F24H · 10 areas
INNOV-THIN 30.7/100
CLAIMS-DENSE 22.2 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Healthgen Biotechnology Co., 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.

Qualcomm Incorporated · highest

85
Heateflex · this assignee

31
3D Lighting… · lowest

7

What this shows Heateflex's Innovation Score is 30.7/100 (35th 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.

Where Heateflex's grants concentrate

Heateflex Corporation is a focused PatentsView assignee: 10 CPC subclasses with 40% 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 2018 (3 grants) versus a trough of 1 in 2017. By volume, Heateflex sits between Healthgen Biotechnology Co., Ltd. and Hefei Lifeon Pharmaceutical Co., Ltd..

Healthgen Biotech…

5
Hearx IP (Pty)

5
Heat Source Energy

5
Heat X

5
Hebei Minmetals

5
Heeling Sports

5
Hefei Eswin IC Te…

5
Hefei Lifeon Phar…

5
Heateflex ◀

5

What this shows Heateflex holds 5 patents at rank #47,480, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Heateflex

By rank, the assignees closest to #47,480 in granted patent volume.

Leaders in F24H (Fluid Heaters)

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

Heateflex's Innovation Score vs. every tracked assignee

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

31 35th percentile higher than 35% 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 · 2017–2019

Grants by year

Teal-shaded recent years (2020–present) versus the 2017–2019 baseline. Full figures in the table below.

View data table

Heateflex Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2017	1	20.0%
2018	3	60.0%
2019	1	20.0%

Which technologies does Heateflex Corporation patent most?

F24H - Fluid Heaters, e.g. Water OR AIR Heaters, Having Heat-generating Means, e.g. Heat Pumps, IN General 2

G01F - Measuring Volume, Volume Flow, Mass Flow OR Liquid LEVEL; Metering BY Volume 2

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General 1

B29L - Indexing Scheme Associated With Subclass B29c, Relating TO Particular Articles 1

F16L - PIPES; Joints OR Fittings FOR PIPES; Supports FOR Pipes, Cables OR Protective TUBING; Means FOR Thermal Insulation IN General 1

B29C - Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing 1

B29K - Indexing Scheme Associated With Subclasses B29b, B29c OR B29d, Relating TO Moulding Materials OR TO Materials FOR ; Moulds, ; Reinforcements, Fillers OR Preformed Parts, e.g. Inserts 1

G01D - Measuring NOT Specially Adapted FOR A Specific VARIABLE; Arrangements FOR Measuring TWO OR More Variables NOT Covered IN A Single Other SUBCLASS; Tariff Metering APPARATUS; Measuring OR Testing NOT Otherwise Provided FOR 1

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 1

B01D - Separation 1

Top 10 of 10 technology areas

Where it ranks

Overall rank by patents

#47,367

of 49,997 tracked assignees

Innovation Score

30.7 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

Heateflex Corporation's patent record in context - here's where to go next.

Heateflex Corporation's lead technology class is F24H (Fluid Heaters, e.g. Water OR AIR Heaters, Having Heat-generating Means, e.g. Heat Pumps, IN General), 40% of its portfolio - see every assignee active in that class. Explore F24H
Ranked #47,367 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Heateflex Corporation against Healthgen Biotechnology Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 30.7/100 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.