PlainPatent

CPC technology class · D06

D06F - Laundering

Laundering, drying, ironing, pressing or folding textile articles. 6,009 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

6,009
US patents granted
D06
Parent CPC class
20
Active assignees
+42%
5-yr velocity

The verdict

Laundering ranks #234 of 670 CPC technology areas - 6,009 US patents granted since 2015, with filing up 42% over five years.

#234
of 670 CPC technology areas
6,009
US patents granted, 2015–2025
Lg
leading assignee (1,538)
+42%
filing velocity, last 5 yrs
Top assignee: LG Electronics Inc. (1,538 patents)

CPC subclass D06F - LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES - covers 6,009 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class D06 (TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR). See our CPC classification guide for how the system works.

The competitive landscape in D06F is shaped by 20 distinct companies actively filing in this space. LG Electronics Inc. leads with 1,538 patents, followed by Whirlpool Corporation at 807 grants and Haier US Appliance Solutions, Inc. at 412.

Filing activity in D06F is up 42% 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 D06F innovation accelerating?

US utility-patent grants per year in D06F, 2015–2025 - recent five years are up 42% versus 2015–2019.

300400500600700 20152016201720182019202020212022202320242025 397

Who leads D06F?

The 12 most active assignees in LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES - wider bars mean more grants

patents

What this shows Lg is the most active filer in D06F, holding 1,538 of the 6,009 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 D06F
Rank Company Patents in D06F
#1 LG Electronics Inc. 1,538
#2 Whirlpool Corporation 807
#3 Haier US Appliance Solutions, Inc. 412
#4 Electrolux Appliances Aktiebolag 148
#5 BSH Hausgeräte Gmbh 143
#6 Qingdao Haier Washing Machine Co., Ltd. 140
#7 Haier Smart HOME Co., Ltd. 84
#8 Dongbu Daewoo Electronics Corporation 79
#9 Qingdao Haier DRUM Washing Machine Co., Ltd. 70
#10 Electrolux Home Products Corporation N. V. 66
#11 Midea Group Co., Ltd. 45
#12 Herbert Kannegiesser Gmbh 44
#13 Qingdao Haier Smart Technology R&D Co., Ltd. 39
#14 Henkel Ag & Co. Kgaa 34
#15 Emz-hanauer Gmbh & Co. Kgaa 34
#16 Haier Group Corporation 29
#17 Arcelik Anonim Sirketi 27
#18 Xero Limited 26
#19 Fisher & Paykel Appliances Limited 24
#20 Bitron S.p.a. 24

About This Class

CPC subclass D06F belongs to class D06.

6,009 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 D06F 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 D06F assignees by class footprint. Bubble size = patents in D06F. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 D06F assignees by class footprint. Bubble size = patents in D06F. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 1012141618 -5000500100015002000 Patents in D06F Avg claims / patent (company-wide) LgWhirlpoolHaier Us Appliance So…Electrolux Appliances…Bsh HausgeräteQingdao Haier Washing…Haier Smart HomeDongbu DaewooQingdao Haier Drum Wa…Electrolux Home Produ…Midea GroupHerbert KannegiesserQingdao Haier Smart T…Henkel & Kgaa
Top 14 D06F assignees by class footprint. Bubble size = patents in D06F. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class D06F?
CPC subclass D06F covers LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES. It belongs to CPC class D06 (TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR), with 6,009 US utility patents granted since 2015.
How many patents have been filed in D06F?
6,009 US utility patents were granted in CPC subclass D06F between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in D06F?
LG Electronics Inc. leads D06F with 1,538 patents, making it the most active assignee in this technology area.
How is patent data for D06F 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., D06) is a broad technology category. Subclasses like D06F 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.