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 filing trajectory.

1,265
US patents granted
D06
Parent CPC class
20
Active assignees
+74%
5-yr velocity

The verdict

WALL ranks #424 of 670 CPC technology areas - 1,265 US patents granted since 2015, with filing up 74% over five years.

#424
of 670 CPC technology areas
1,265
US patents granted, 2015–2025
Toray Industries
leading assignee (31)
+74%
filing velocity, last 5 yrs
Top assignee: Toray Industries, Inc. (31 patents)

CPC subclass D06N - 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 - covers 1,265 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 D06N is shaped by 20 distinct companies actively filing in this space. Toray Industries, Inc. leads with 31 patents, followed by Columbia Insurance Company at 18 grants and Certainteed Llc at 18.

Filing activity in D06N is up 74% 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 D06N innovation accelerating?

US utility-patent grants per year in D06N, 2015–2025 - recent five years are up 74% 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

About This Class

CPC subclass D06N belongs to class D06.

1,265 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 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).

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 Intelle…BmicModern MeadowPolytex Sportbeläge P…BiorezSeirenHiggins Research & De…Dainichiseika Color &…Firestone Building Pr…Aladdin ManufacturingSanko Tekstil Isletme…
Top 14 D06N assignees by class footprint. Bubble size = patents in D06N. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class D06N?
CPC subclass D06N covers 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. It belongs to CPC class D06 (TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR), with 1,265 US utility patents granted since 2015.
How many patents have been filed in D06N?
1,265 US utility patents were granted in CPC subclass D06N between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in D06N?
Toray Industries, Inc. leads D06N with 31 patents, making it the most active assignee in this technology area.
How is patent data for D06N 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 D06N 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.