PlainPatent

CPC technology class · F24

F24V - Collection

Collection, production or use of heat not otherwise provided for. 201 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

201
US patents granted
F24
Parent CPC class
20
Active assignees
-15%
5-yr velocity

The verdict

Collection ranks #599 of 670 CPC technology areas - 201 US patents granted since 2015, with filing down 15% over five years.

#599
of 670 CPC technology areas
201
US patents granted, 2015–2025
Tempra Technology
leading assignee (10)
-15%
filing velocity, last 5 yrs
Top assignee: Tempra Technology, Inc. (10 patents)

CPC subclass F24V - COLLECTION, PRODUCTION OR USE OF HEAT NOT OTHERWISE PROVIDED FOR - covers 201 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class F24 (HEATING; RANGES; VENTILATING). See our CPC classification guide for how the system works.

The competitive landscape in F24V is shaped by 20 distinct companies actively filing in this space. Tempra Technology, Inc. leads with 10 patents, followed by Light Field Lab, Inc. at 7 grants and Clean Planet Inc. at 7.

Filing activity in F24V is down 15% over the past five years versus 2015-2019, a relatively steady filing pace. All counts come directly from USPTO PatentsView and reflect US granted utility patents only.

Is F24V innovation accelerating?

US utility-patent grants per year in F24V, 2015–2025 - recent five years are down 15% versus 2015–2019.

1015202530 20152016201720182019202020212022202320242025 11

Who leads F24V?

The 12 most active assignees in COLLECTION, PRODUCTION OR USE OF HEAT NOT OTHERWISE PROVIDED FOR - wider bars mean more grants

patents

What this shows Tempra Technology is the most active filer in F24V, holding 10 of the 201 patents in this class. Concentration at the top signals how contestable this technology area is for new entrants.

Source USPTO PatentsView, granted utility patents As of 2015–2025 grant years
View data table
Top patent holders in CPC subclass F24V
Rank Company Patents in F24V
#1 Tempra Technology, Inc. 10
#2 Light Field Lab, Inc. 7
#3 Clean Planet Inc. 7
#4 Forever Young International, Inc. 6
#5 Kobayashi Pharmaceutical Co., Ltd. 5
#6 Alexza Pharmaceuticals, Inc. 5
#7 Highland Fluid Technology 4
#8 Heatgenie, Inc. 4
#9 Conleymax Inc. 3
#10 Miura Co., Ltd. 2
#11 Crystal Lagoons Technologies, Inc. 2
#12 Efficient Energy Gmbh 2
#13 MAC, Inc. 2
#14 Linde Engineering North America, Inc. 2
#15 Rechargeable Battery Corporation 2
#16 Silgan Containers Llc 1
#17 HS Marston Aerospace Limited 1
#18 Polaris Sensor Technologies, Inc. 1
#19 Preco, Llc 1
#20 Wacker Nueson Production Americas Llc 1

About This Class

CPC subclass F24V belongs to class F24.

201 patents were granted in this class between 2015 and 2025.

20 companies actively patent in this space.

Classification System

Cooperative Patent Classification (CPC) is a hierarchical patent classification system used by the USPTO and EPO.

← All Technology Classes Technology Rankings →

Footprint here vs. claim strategy

Each dot is a leading F24V assignee, placed by how many patents it holds in this class (horizontal) against its company-wide average claims per patent (vertical) - a read on whether the class is led by broad-but-shallow filers or focused deep-claim players.

Top 14 F24V assignees by class footprint. Bubble size = patents in F24V. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 F24V assignees by class footprint. Bubble size = patents in F24V. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 0204060 024681012 Patents in F24V Avg claims / patent (company-wide) Tempra TechnologyLight Field LabClean PlanetForever Young Interna…Kobayashi Pharmaceuti…Alexza PharmaceuticalsHighland Fluid Techno…HeatgenieConleymaxMiuraCrystal LagoonsEfficient EnergyMacLinde Engineering Nor…
Top 14 F24V assignees by class footprint. Bubble size = patents in F24V. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class F24V?
CPC subclass F24V covers COLLECTION, PRODUCTION OR USE OF HEAT NOT OTHERWISE PROVIDED FOR. It belongs to CPC class F24 (HEATING; RANGES; VENTILATING), with 201 US utility patents granted since 2015.
How many patents have been filed in F24V?
201 US utility patents were granted in CPC subclass F24V between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in F24V?
Tempra Technology, Inc. leads F24V with 10 patents, making it the most active assignee in this technology area.
How is patent data for F24V collected?
Patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office. It covers all US granted utility patents and assigns CPC codes based on the technology described in each patent.
What is the difference between CPC class and subclass?
A CPC class (e.g., F24) is a broad technology category. Subclasses like F24V provide finer granularity within that category. PlainPatent organizes data at the subclass level (4-character codes) for the most useful view of technology domains.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent Editorial

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.