CPC technology class · D06

D06B - Treating Textile Materials Using Liquids

Treating textile materials using liquids, gases or vapours. 640 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

Compiled by PlainPatent · May 15, 2026

640
US patents granted: #5/11
in D06: 4.8%
D06 class share: +69%
5-yr velocity

The verdict

According to USPTO PatentsView, Treating Textile Materials Using Liquids ranks #514 of 670 CPC technology areas - 640 US patents granted since 2015, with recorded grant volume up 69% over five years.

#514
of 670 CPC technology areas: 640
US patents granted, 2015–2025: Levi Strauss &
leading assignee (80): +69%
grant velocity, last 5 yrs

How D06B's grant cadence moved

Between 2020–2024, D06B recorded 361 grants versus 214 in 2015–2019 (+69% equal-window velocity). Across complete years, output peaked in 2024 at 88 grants and bottomed in 2015 at 20 (+340% peak-over-trough). Lead assignee Levi Strauss & Co. holds 12.5% of the class ; the top three share 14.7%.

Leaderboard read

D06B concentration, lead at 12.5%

Levi Strauss & Co. leads this historical grant record at 12.5% of D06B - us corporation assignees hold 60% of class grants (155 of 259). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share: 12.5%
Top three share: 14.7%
Lead over #2: 73

Where D06B sits inside D06

Among 11 subclasses in D06 (Treatment OF Textiles OR THE LIKE; LAUNDERING; Flexible Materials NOT Otherwise Provided FOR), D06B ranks #5 and holds 4.8% 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.

D06F 6,009 D06M 3,083 D06N 1,265 D06P 1,234 D06C 476 D06L 225 D06H 206 D06Q 135

Rising assignees active in D06B

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 Jeanologia, S. L. 6.00x 1 → 6 company-wide · 7 in D06B
#2 Indigo Mill Designs, Inc. 4.00x 1 → 4 company-wide · 5 in D06B
#3 Levi Strauss & Co. 2.85x 20 → 57 company-wide · 80 in D06B
#4 Coloreel Group AB 1.00x 3 → 3 company-wide · 6 in D06B
#5 Superba S.A.S. 1.00x 1 → 1 company-wide · 5 in D06B

D06B grants by year, peak 2024 (88)

US utility-patent grants per year in D06B, 2015–2025 - recent five years are up 69% versus 2015–2019.

Levi Strauss &

80
Mimaki Engineering

7
Jeanologia S L

7
Coloreel Group Ab

6
Sanko Tekstil…

5
Braskem America

5
The North Face Apparel

5
Welspun India

5
Nantong Textile &…

5
Superba S

5
Indigo Mill Designs

5
Dover Europe Sàrl

4

What this shows Levi Strauss & is the most active filer in D06B, holding 80 of the 640 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 D06B
Rank	Company	Patents in D06B
#1	Levi Strauss & Co.	80
#2	Mimaki Engineering Co., Ltd.	7
#3	Jeanologia, S. L.	7
#4	Coloreel Group AB	6
#5	Sanko Tekstil Isletmeleri San. Ve Tic. A.S.	5
#6	Braskem America, Inc.	5
#7	The North Face Apparel Corp.	5
#8	Welspun India Limited	5
#9	Nantong Textile & Silk Industrial Technology Research Institute	5
#10	Superba S.A.S.	5
#11	Indigo Mill Designs, Inc.	5
#12	Dover Europe Sàrl	4
#13	RevoLaze, LLC	4
#14	Tintoria Piana, US Inc.	4
#15	Memjet Technology Limited	3
#16	Deckers Outdoor Corporation	3
#17	Convatec Technologies Inc.	3
#18	Microban Products Company	3
#19	5.11, Inc.	3
#20	Natural Fiber Welding, Inc.	3

Footprint here vs. claim strategy

Each dot is a leading D06B 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 D06B assignees by class footprint. Bubble size = patents in D06B. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near D06B's 640-grant footprint

Nationwide nearest neighbors for D06B (#514 of 670 by volume ; lead share 12.5%) - not the D06 parent-class siblings above.

Nearest by grant volume

E21F 641 G21G 629 A01J 653 E06C 653

Nearest by lead-assignee share

H10B 12.5% B42C 12.5% A41C 12.6% F42C 12.4%

Questions about D06B

Which company holds the most patents in D06B?

Levi Strauss & Co. leads D06B with 80 patents (12.5% of the subclass). By PatentsView assignee type, us corporations account for 60% of class grants.

Which D06B assignees grew fastest recently?

Among assignees with ≥5 grants in D06B, Jeanologia, S. L. shows the highest company-wide grant multiple (6.00x: 1 grants in 2019–2021 → 6 in 2022–2024) while holding 7 patents in this subclass. Growth is company-wide, not class-only.

How does D06B compare inside parent class D06?

Inside D06 (Treatment OF Textiles OR THE LIKE; LAUNDERING; Flexible Materials NOT Otherwise Provided FOR), D06B ranks #5 of 11 subclasses by grant volume and holds 4.8% of the parent class total. The largest sibling is D06F (6,009 grants).

What to do with this data

D06B in context - here's where to go next.

Levi Strauss & Co. leads D06B with 80 grants in this class. See full portfolio
D06B ranks #514 of 670 by grant volume among all tracked CPC technology areas. See the ranking
Inside parent class D06, the largest sibling subclass is D06F with 6,009 grants. Explore D06F

Figures reflect USPTO PatentsView grant data through 2026-05-15; pending applications not yet granted are not counted.

Methodology - D06B figures are USPTO PatentsView granted-utility totals for this subclass (640 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.