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 grant trajectory.
- 6,009
- US patents granted
- #1/11
- in D06
- 45.2%
- D06 class share
- +26%
- 5-yr velocity
The verdict
According to USPTO PatentsView, Laundering ranks #234 of 670 CPC technology areas - 6,009 US patents granted since 2015, with recorded grant volume up 26% over five years.
- #234
- of 670 CPC technology areas
- 6,009
- US patents granted, 2015–2025
- Lg
- leading assignee (1,538)
- +26%
- grant velocity, last 5 yrs
How tightly D06F concentrates
LG Electronics Inc. holds 25.6% of D06F's recorded grants (1,538 of 6,009) - 731 more than Whirlpool Corporation. Across complete PatentsView years, the class peaked in 2024 at 640 grants and bottomed in 2015 at 406 (+58% peak-over-trough). Equal-window velocity 2020–2024 vs 2015–2019: +26% (2,998 vs 2,388 grants).
Leaderboard read
D06F concentration, lead at 25.6%
LG Electronics Inc. leads this historical grant record at 25.6% of D06F - foreign corporation assignees hold 67% of class grants (3,052 of 4,581). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.
- Leader's share
- 25.6%
- Top three share
- 45.9%
- Lead over #2
- 731
1,538 of 6,009 grants
of the class's recorded grants
more grants than Whirlpool Corporation
Where D06F sits inside D06
Among 11 subclasses in D06 (Treatment OF Textiles OR THE LIKE; LAUNDERING; Flexible Materials NOT Otherwise Provided FOR), D06F ranks #1 and holds 45.2% of the parent class's 13,295 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.
Rising assignees active in D06F
Company-wide grant multiples (2022–2024 vs 2019–2021) among assignees with ≥5 patents in this subclass. Growth is company-wide; class patent counts are subclass-specific.
- #1 MONOTONY.AI, Inc. 19x 0 → 19 company-wide · 23 in D06F
- #2 Haier Smart Home Co., Ltd. 14x 14 → 199 company-wide · 84 in D06F
- #3 Qingdao Haier Laundry Electric Appliances Co., Ltd 10x 0 → 10 company-wide · 11 in D06F
- #4 Brayniacs LLC 7.00x 1 → 7 company-wide · 6 in D06F
- #5 Watergen Ltd. 4.00x 1 → 4 company-wide · 7 in D06F
D06F grants by year, peak 2024 (640)
US utility-patent grants per year in D06F, 2015–2025 - recent five years are up 26% versus 2015–2019.
Who leads D06F?
The 12 most active assignees in Laundering, Drying, Ironing, Pressing OR Folding Textile Articles - wider bars mean more grants
- Lg
LG Electronics Inc.
1,538 patents
- Whirlpool
Whirlpool Corporation
807 patents
- Haier Us Appliance… 412
Haier US Appliance Solutions, Inc.
412 patents
- Electrolux Appliances… 148
Electrolux Appliances Aktiebolag
148 patents
- Bsh Hausgeräte 143
BSH Hausgeräte GmbH
143 patents
- Qingdao Haier Washing… 140
Qingdao Haier Washing Machine Co., Ltd.
140 patents
- Haier Smart Home 84
Haier Smart Home Co., Ltd.
84 patents
- Dongbu Daewoo 79
Dongbu Daewoo Electronics Corporation
79 patents
- Qingdao Haier Drum… 70
Qingdao Haier Drum Washing Machine Co., Ltd.
70 patents
- Electrolux Home… 66
Electrolux Home Products Corporation N. V.
66 patents
- Midea Group 45
Midea Group Co., Ltd.
45 patents
- Herbert Kannegiesser 44
Herbert Kannegiesser GmbH
44 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.
View data table
| 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 |
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.
Classes near D06F's 6,009-grant footprint
Nationwide nearest neighbors for D06F (#234 of 670 by volume ; lead share 25.6%) - not the D06 parent-class siblings above.
Nearest by grant volume
Nearest by lead-assignee share
Questions about D06F
Which company holds the most patents in D06F?
Which D06F assignees grew fastest recently?
How does D06F compare inside parent class D06?
What to do with this data
D06F in context - here's where to go next.
- LG Electronics Inc. leads D06F with 1,538 grants in this class. See full portfolio
- D06F ranks #234 of 670 by grant volume among all tracked CPC technology areas. See the ranking
- Inside parent class D06, the largest sibling subclass is D06M with 3,083 grants. Explore D06M
Figures reflect USPTO PatentsView grant data through 2026-05-15; pending applications not yet granted are not counted.
Methodology - D06F figures are USPTO PatentsView granted-utility totals for this subclass (6,009 grants in the tracked window).
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.