PlainPatent

CPC technology class · F25

F25C - Producing

Producing, working or handling ice. 1,654 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

1,654
US patents granted
F25
Parent CPC class
20
Active assignees
+25%
5-yr velocity

The verdict

Producing ranks #392 of 670 CPC technology areas - 1,654 US patents granted since 2015, with filing up 25% over five years.

#392
of 670 CPC technology areas
1,654
US patents granted, 2015–2025
Lg
leading assignee (272)
+25%
filing velocity, last 5 yrs
Top assignee: LG Electronics Inc. (272 patents)

CPC subclass F25C - PRODUCING, WORKING OR HANDLING ICE - covers 1,654 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class F25 (REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES). See our CPC classification guide for how the system works.

The competitive landscape in F25C is shaped by 20 distinct companies actively filing in this space. LG Electronics Inc. leads with 272 patents, followed by Haier US Appliance Solutions, Inc. at 121 grants and BSH Hausgeräte Gmbh at 76.

Filing activity in F25C is up 25% over the past five years versus 2015-2019, a sharp acceleration suggesting an emerging or fast-moving technology area. All counts come directly from USPTO PatentsView and reflect US granted utility patents only.

Is F25C innovation accelerating?

US utility-patent grants per year in F25C, 2015–2025 - recent five years are up 25% versus 2015–2019.

100120140160180200 20152016201720182019202020212022202320242025 121

Who leads F25C?

The 12 most active assignees in PRODUCING, WORKING OR HANDLING ICE - wider bars mean more grants

patents

What this shows Lg is the most active filer in F25C, holding 272 of the 1,654 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 F25C
Rank Company Patents in F25C
#1 Whirlpool Corporation 259
#2 Haier US Appliance Solutions, Inc. 121
#3 BSH Hausgeräte Gmbh 76
#4 Electrolux HOME Products, Inc. 48
#5 TRUE Manufacturing Co., Inc. 44
#6 Dongbu Daewoo Electronics Corporation 42
#7 Midea Group Co., Ltd. 35
#8 Nidec Sankyo Corporation 22
#9 Snowie Llc 19
#10 Hefei Hualing Co., Ltd. 17
#11 Hefei Midea Refrigerator Co., Ltd. 17
#12 BSH Home Appliances Corporation 16
#13 Manitowoc Foodservice Companies, Llc 12
#14 Coway Co., Ltd. 11
#15 Hisense Ronshen (guangdong) Refrigerator Co., Ltd. 10
#16 Hoshizaki America, Inc. 10
#17 Reddy ICE Llc 10
#18 Emz-hanauer Gmbh & Co. Kgaa 9
#19 Leer Group 8
#20 Cornelius, Inc. 7

About This Class

CPC subclass F25C belongs to class F25.

1,654 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 F25C 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 F25C assignees by class footprint. Bubble size = patents in F25C. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 F25C assignees by class footprint. Bubble size = patents in F25C. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 5101520 -1000100200300 Patents in F25C Avg claims / patent (company-wide) WhirlpoolHaier Us Appliance So…Bsh HausgeräteElectrolux Home Produ…True ManufacturingDongbu DaewooMidea GroupNidec SankyoSnowieHefei HualingHefei Midea Refrigera…Bsh Home AppliancesManitowoc Foodservice…Coway
Top 14 F25C assignees by class footprint. Bubble size = patents in F25C. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class F25C?
CPC subclass F25C covers PRODUCING, WORKING OR HANDLING ICE. It belongs to CPC class F25 (REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES), with 1,654 US utility patents granted since 2015.
How many patents have been filed in F25C?
1,654 US utility patents were granted in CPC subclass F25C between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in F25C?
LG Electronics Inc. leads F25C with 272 patents, making it the most active assignee in this technology area.
How is patent data for F25C 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., F25) is a broad technology category. Subclasses like F25C 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.