PlainPatent

CPC technology class · D06

D06N - Wall

Wall, floor, or like covering materials, e.g. linoleum, oilcloth, artificial leather, roofing felt, consisting of a fibrous web coated with a layer of macromolecular material; flexible sheet material not otherwise provided for. 1,265 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

1,265
US patents granted
#3/11
in D06
9.5%
D06 class share
+49%
5-yr velocity

The verdict

According to USPTO PatentsView, Wall ranks #424 of 670 CPC technology areas - 1,265 US patents granted since 2015, with recorded grant volume up 49% over five years.

#424
of 670 CPC technology areas
1,265
US patents granted, 2015–2025
Toray Industries
leading assignee (31)
+49%
grant velocity, last 5 yrs

How D06N's grant cadence moved

Between 2020–2024, D06N recorded 652 grants versus 438 in 2015–2019 (+49% equal-window velocity). Across complete years, output peaked in 2024 at 146 grants and bottomed in 2015 at 61 (+139% peak-over-trough). Lead assignee Milliken & Company holds 1.7% of the class ; the top three share 4.6%.

Leaderboard read

D06N concentration, lead at 1.7%

Milliken & Company leads this historical grant record at 1.7% of D06N - us corporation assignees hold 61% of class grants (298 of 492). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share
1.7%

22 of 1,265 grants

Top three share
4.6%

of the class's recorded grants

Lead over #2
4

more grants than Columbia Insurance Company

Where D06N sits inside D06

Among 11 subclasses in D06 (Treatment OF Textiles OR THE LIKE; LAUNDERING; Flexible Materials NOT Otherwise Provided FOR), D06N ranks #3 and holds 9.5% 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 D06P 1,234 D06B 640 D06C 476 D06L 225 D06H 206 D06Q 135

Rising assignees active in D06N

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. #1 Bmic LLC 35x 5 → 176 company-wide · 14 in D06N
  2. #2 The Fynder Group, Inc. 4.71x 7 → 33 company-wide · 8 in D06N
  3. #3 Natural Fiber Welding, Inc. 2.80x 5 → 14 company-wide · 5 in D06N
  4. #4 Evolved BY Nature, Inc. 2.60x 5 → 13 company-wide · 7 in D06N
  5. #5 Taiwan Textile Research Institute 2.44x 9 → 22 company-wide · 5 in D06N

D06N grants by year, peak 2024 (146)

US utility-patent grants per year in D06N, 2015–2025 - recent five years are up 49% versus 2015–2019.

406080100120140160 20152016201720182019202020212022202320242025 111

Who leads D06N?

The 12 most active assignees in Wall, Floor, OR Like Covering Materials, e.g. Linoleum, Oilcloth, Artificial Leather, Roofing Felt, Consisting OF A Fibrous WEB Coated With A Layer OF Macromolecular MATERIAL; Flexible Sheet Material NOT Otherwise Provided FOR - wider bars mean more grants

patents

What this shows Toray Industries is the most active filer in D06N, holding 31 of the 1,265 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 D06N
Rank Company Patents in D06N
#1 Milliken & Company 22
#2 Columbia Insurance Company 18
#3 CertainTeed LLC 18
#4 Owens Corning Intellectual Capital, LLC 16
#5 Bmic LLC 14
#6 Modern Meadow, Inc. 13
#7 Polytex Sportbeläge Produktions-GmbH 12
#8 Biorez, Inc. 12
#9 Seiren Co., Ltd. 11
#10 Higgins Research & Development, LLC 11
#11 Dainichiseika Color & Chemicals MFG. Co., Ltd. 9
#12 Firestone Building Products Company, LLC 9
#13 Aladdin Manufacturing Corporation 8
#14 Sanko Tekstil Isletmeleri San. Ve Tic. A.S. 8
#15 The Fynder Group, Inc. 8
#16 L.I.F.E. Corporation S.A. 8
#17 Saint-gobain Adfors 7
#18 Evolved BY Nature, Inc. 7
#19 Engineered Floors LLC 7
#20 Unilin Bvba 6

Footprint here vs. claim strategy

Each dot is a leading D06N 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 D06N assignees by class footprint. Bubble size = patents in D06N. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 5101520 510152025 Patents in D06N Avg claims / patent (company-wide) Milliken &Columbia InsuranceCertainteedOwens Corning…BmicModern MeadowPolytex Sportbeläge…BiorezSeirenHiggins Research &…Dainichiseika Color &…Firestone Building…Aladdin ManufacturingSanko Tekstil…
Top 14 D06N assignees by class footprint. Bubble size = patents in D06N. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near D06N's 1,265-grant footprint

Nationwide nearest neighbors for D06N (#424 of 670 by volume ; lead share 2.5%) - not the D06 parent-class siblings above.

Nearest by grant volume

H04K 1,274 D21F 1,255 E01F 1,276 B21K 1,246

Nearest by lead-assignee share

D06M 2.4% A01G 2.4% G05D 2.4% C05F 2.5%

Questions about D06N

Which company holds the most patents in D06N?
Toray Industries, Inc. leads D06N with 31 patents (1.7% of the subclass). By PatentsView assignee type, us corporations account for 61% of class grants.
Which D06N assignees grew fastest recently?
Among assignees with ≥5 grants in D06N, Bmic LLC shows the highest company-wide grant multiple (35x: 5 grants in 2019–2021 → 176 in 2022–2024) while holding 14 patents in this subclass. Growth is company-wide, not class-only.
How does D06N compare inside parent class D06?
Inside D06 (Treatment OF Textiles OR THE LIKE; LAUNDERING; Flexible Materials NOT Otherwise Provided FOR), D06N ranks #3 of 11 subclasses by grant volume and holds 9.5% of the parent class total. The largest sibling is D06F (6,009 grants).

What to do with this data

D06N in context - here's where to go next.

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

Methodology - D06N figures are USPTO PatentsView granted-utility totals for this subclass (1,265 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.