Where does Hydro-Thermal Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Hydro-Thermal Corporation ranks #35,775 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 Hydro-Thermal Corporation hold?

Hydro-Thermal Corporation holds 7 US utility patents granted between 2015 and 2025, spanning 15 technology areas.

What is Hydro-Thermal Corporation's Innovation Score?

Hydro-Thermal Corporation has an Innovation Score of 34.5 out of 100 (48th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Hydro-Thermal Corporation's patent grant rate increasing or decreasing?

Hydro-Thermal Corporation's recent grant velocity is +100% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Hydro-Thermal Corporation's patents?

Hydro-Thermal Corporation's patents average 15.3 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 Hydro-Thermal 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

Hydro-Thermal Corporation

Q: What technology areas does Hydro-Thermal Corporation focus on?

Hydro-Thermal Corporation's top technology area is F28C (Heat-exchange Apparatus, NOT Provided FOR IN Another Subclass, IN Which THE Heat-exchange Media Come Into Direct Contact Without Chemical Interaction) with 3 patents, ranking #15 of 70 assignees active in that subclass. Grants appear in 15 CPC subclasses total.

USPTO PatentsView assignee record - 7 granted patents across 15 technology areas, recorded in grant years 2015–2025. 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: F28C (Heat-exchange Apparatus, NOT Provided FOR IN Another Subclass, IN Which THE Heat-exchange Media Come Into Direct Contact Without Chemical Interaction).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Hydro-thermal ranks #35,775 of 49,997 tracked US assignees by granted-patent volume, with 7 patents across 15 technology areas.

#35,775
of 49,997 US assignees by volume: 48th percentile
by Innovation Score (34.5/100): 15.3
avg claims per patent: +100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R35775 · US Corporation #35,775 · 7 grants

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

GRANTS-MICRO 7 grants
MID-PACK #35,775/49,997
PHOTO-FINISH Hydra-Flex
CPC-FOCUS F28C · 15 areas
INNOV-THIN 34.5/100
CLAIMS-RICH 15.3 claims/avg
TYPE-USCORP US Corporation
VEL-SURGE +100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Hydra-Flex 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 Hydro-thermal’s 34.5 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 7.2 pts (21%) Velocity 4.4 pts (13%) Breadth 13.7 pts (40%) Claim depth 9.2 pts (27%)

Qualcomm Incorporated · highest

85
Hydro-Thermal · this assignee

34
3D Lighting… · lowest

7

What this shows Hydro-thermal's Innovation Score is 34.5/100 (48th 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 Hydro-thermal?

Each dot is one of Hydro-thermal’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). Hydro-thermal’s own 15.3 claims/patent is ABOVE the 13.6 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Hydro-thermal's grants concentrate

Hydro-Thermal Corporation is a focused PatentsView assignee: 15 CPC subclasses with 42.9% of grants classified under F28C (Heat-exchange Apparatus, NOT Provided FOR IN Another Subclass, IN Which THE Heat-exchange Media Come Into Direct Contact Without Chemical Interaction). By volume, Hydro-thermal sits between Hydra-Flex Inc. and Hyduro, Inc..

Hydro-thermal's three-year grant acceleration

Hydro-Thermal Corporation shows 2 grants in 2022–2024 against only 3 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.

Hydra-flex

7
Hydra-stop

7
Hydro Dynamics

7
Hydro-aire

7
Hydronovation

7
Hydrofarm

7
Hydrovaze

7
Hyduro

7
Hydro-thermal ◀

7

What this shows Hydro-Thermal holds 7 patents at rank #35,773, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Hydro-Thermal

By rank, the assignees closest to #35,773 in granted patent volume.

Leaders in F28C (Heat-exchange Apparatus)

Other assignees with the most granted patents in Hydro-Thermal's primary technology class.

Hydro-thermal's Innovation Score vs. every tracked assignee

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

34 48th percentile higher than 48% 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 · 2015–2025

Grants by year

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

View data table

Hydro-Thermal Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	14.3%
2019	1	14.3%
2020	1	14.3%
2021	1	14.3%
2022	1	14.3%
2023	1	14.3%
2025partial year	1	14.3%

Which technologies does Hydro-Thermal Corporation patent most?

F28C - Heat-exchange Apparatus, NOT Provided FOR IN Another Subclass, IN Which THE Heat-exchange Media Come Into Direct Contact Without Chemical Interaction 3

B01D - Separation 2

B01F - Mixing, e.g. Dissolving, Emulsifying OR Dispersing 2

F28F - Details OF Heat-exchange AND Heat-transfer Apparatus, OF General Application 2

A23L - Foods, Foodstuffs OR Non-alcoholic Beverages, NOT Otherwise Provided FOR; Preparation OR Treatment Thereof 2

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

A47J - Kitchen EQUIPMENT; Coffee MILLS; Spice MILLS; Apparatus FOR Making Beverages 2

B01B - BOILING; Boiling Apparatus ; ; EVAPORATION; Evaporation Apparatus 1

C12C - BEER; Preparation OF Beer BY Fermentation ; Preparation OF Malt FOR Making BEER; Preparation OF Hops FOR Making Beer 1

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

F22B - Methods OF Steam GENERATION; Steam Boilers 1

F28G - Cleaning OF Internal OR External Surfaces OF Heat-exchange OR Heat-transfer Conduits, e.g. Water Tubes OR Boilers 1

H01G - CAPACITORS; Capacitors, Rectifiers, Detectors, Switching Devices, Light-sensitive OR Temperature-sensitive Devices OF THE Electrolytic Type 1

H02J - Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy 1

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

Top 15 of 15 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

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

Hydro-Thermal Corporation's lead technology class is F28C (Heat-exchange Apparatus, NOT Provided FOR IN Another Subclass, IN Which THE Heat-exchange Media Come Into Direct Contact Without Chemical Interaction), 42.9% of its portfolio - see every assignee active in that class. Explore F28C
Ranked #35,775 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Hydro-Thermal Corporation against Hydra-Flex Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 34.5/100 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.