PlainPatent

CPC technology class · B27

B27N - Manufacture BY DRY Processes OF Articles

Manufacture by dry processes of articles, with or without organic binding agents, made from particles or fibres consisting of wood or other lignocellulosic or like organic material. 750 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

750
US patents granted
B27
Parent CPC class
20
Active assignees
+69%
5-yr velocity

The verdict

Manufacture BY DRY Processes OF Articles ranks #491 of 670 CPC technology areas - 750 US patents granted since 2015, with filing up 69% over five years.

#491
of 670 CPC technology areas
750
US patents granted, 2015–2025
Seiko Epson
leading assignee (56)
+69%
filing velocity, last 5 yrs
Top assignee: Seiko Epson Corporation (56 patents)

CPC subclass B27N - MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL - covers 750 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class B27 (WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL). See our CPC classification guide for how the system works.

The competitive landscape in B27N is shaped by 20 distinct companies actively filing in this space. Seiko Epson Corporation leads with 56 patents, followed by Masonite Corporation at 24 grants and Valinge Innovation AB at 23.

Filing activity in B27N is up 69% 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 B27N innovation accelerating?

US utility-patent grants per year in B27N, 2015–2025 - recent five years are up 69% versus 2015–2019.

406080100120 20152016201720182019202020212022202320242025 56

Who leads B27N?

The 12 most active assignees in MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL - wider bars mean more grants

patents

What this shows Seiko Epson is the most active filer in B27N, holding 56 of the 750 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 B27N
Rank Company Patents in B27N
#1 Flooring Industies Limited, SARL 33
#2 Masonite Corporation 24
#3 Valinge Innovation AB 23
#4 Georgia-pacific Chemicals Llc 20
#5 Swiss Krono Tec Ag 20
#6 Unilin BV 16
#7 Stora Enso OYJ 14
#8 Välinge Innovation AB 12
#9 Knauf Insulation, Inc. 12
#10 Knauf Insulation SPRL 12
#11 Pulpac AB 11
#12 Flooring Technologies Ltd. 10
#13 Louisiana-pacific Corp. 9
#14 Ceraloc Innovation AB 8
#15 Pergo (europe) AB 8
#16 Fibria Innovations Inc. 8
#17 Siempelkamp Maschinen- Und Anlagenbau Gmbh 7
#18 Unilin BVBA 6
#19 Jeld-wen, Inc. 5
#20 Evertree 5

About This Class

CPC subclass B27N belongs to class B27.

750 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 B27N 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 B27N assignees by class footprint. Bubble size = patents in B27N. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 B27N assignees by class footprint. Bubble size = patents in B27N. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 51015202530 010203040 Patents in B27N Avg claims / patent (company-wide) Flooring Industies Sa…MasoniteValinge Innovation AbGeorgia-pacific Chemi…Swiss Krono TecUnilin BvStora Enso OyjVÄLinge Innovation AbKnauf InsulationKnauf Insulation SprlPulpac AbFlooringLouisiana-pacificCeraloc Innovation Ab
Top 14 B27N assignees by class footprint. Bubble size = patents in B27N. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class B27N?
CPC subclass B27N covers MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL. It belongs to CPC class B27 (WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL), with 750 US utility patents granted since 2015.
How many patents have been filed in B27N?
750 US utility patents were granted in CPC subclass B27N between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in B27N?
Seiko Epson Corporation leads B27N with 56 patents, making it the most active assignee in this technology area.
How is patent data for B27N 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., B27) is a broad technology category. Subclasses like B27N 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.