CPC technology class · D06

D06M - Treatment

Treatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials. 3,083 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

Compiled byPlainPatent Editorial, US Patent Intelligence Editorial Team · May 15, 2026

3,083
US patents granted: D06
Parent CPC class: 20
Active assignees: +36%
5-yr velocity

The verdict

Treatment ranks #310 of 670 CPC technology areas - 3,083 US patents granted since 2015, with filing up 36% over five years.

#310
of 670 CPC technology areas: 3,083
US patents granted, 2015–2025: Levi Strauss &
leading assignee (75): +36%
filing velocity, last 5 yrs

Top assignee: Levi Strauss & Co. (75 patents)

CPC subclass D06M - TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS - covers 3,083 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 D06M is shaped by 20 distinct companies actively filing in this space. Levi Strauss & Co. leads with 75 patents, followed by Milliken & Company at 26 grants and Novozymes A/s at 20.

Filing activity in D06M is up 36% 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 D06M innovation accelerating?

US utility-patent grants per year in D06M, 2015–2025 - recent five years are up 36% versus 2015–2019.

Levi Strauss &

75
Milliken &

26
Novozymes A/S

20
Sanko Tekstil Isletme…

17
Toyobo

16
Takemoto Yushi

16
The Chemours Fc

15
Teijin

14
Nippon Paper Industri…

14
The Sweet Living Group

13
Evolved By Nature

12
Nippon Sheet Glass

11

What this shows Levi Strauss & is the most active filer in D06M, holding 75 of the 3,083 patents in this class. Concentration at the top signals how contestable this technology area is for new entrants.

View data table

Top patent holders in CPC subclass D06M
Rank	Company	Patents in D06M
#1	Levi Strauss & Co.	75
#2	Milliken & Company	26
#3	Novozymes A/s	20
#4	Sanko Tekstil Isletmeleri San. Ve Tic. A.s.	17
#5	Toyobo Co., Ltd.	16
#6	Takemoto Yushi Kabushiki Kaisha	16
#7	THE Chemours Company FC, Llc	15
#8	Teijin Limited	14
#9	Nippon Paper Industries Co., Ltd.	14
#10	THE Sweet Living Group, Llc	13
#11	Evolved BY Nature, Inc.	12
#12	Nippon Sheet Glass Company, Limited	11
#13	Dow Silicones Corporation	10
#14	Taiwan Textile Research Institute	10
#15	Toyota Motor Corporation	10
#16	Applied Silver, Inc.	10
#17	Microban Products Company	9
#18	Modern Meadow, Inc.	9
#19	Invista North America S.a.r.l.	8
#20	International Flavors & Fragrances Inc.	8

About This Class

CPC subclass D06M belongs to class D06.

3,083 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 D06M 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 D06M assignees by class footprint. Bubble size = patents in D06M. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class D06M?

CPC subclass D06M covers TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS. It belongs to CPC class D06 (TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR), with 3,083 US utility patents granted since 2015.

How many patents have been filed in D06M?

3,083 US utility patents were granted in CPC subclass D06M between 2015 and 2025, based on USPTO PatentsView data.

Which company holds the most patents in D06M?

Levi Strauss & Co. leads D06M with 75 patents, making it the most active assignee in this technology area.

How is patent data for D06M 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 D06M 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.