PlainPatent

CPC technology class · B27

B27M - Working OF WOOD NOT Provided FOR IN Subclasses B27B - B27L

Working of wood not provided for in subclasses b27b - b27l; manufacture of specific wooden articles. 306 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

306
US patents granted
B27
Parent CPC class
20
Active assignees
+88%
5-yr velocity

The verdict

Working OF WOOD NOT Provided FOR IN Subclasses B27B - B27L ranks #582 of 670 CPC technology areas - 306 US patents granted since 2015, with filing up 88% over five years.

#582
of 670 CPC technology areas
306
US patents granted, 2015–2025
Valinge Innovation Ab
leading assignee (32)
+88%
filing velocity, last 5 yrs
Top assignee: Valinge Innovation AB (32 patents)

CPC subclass B27M - WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES - covers 306 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 B27M is shaped by 20 distinct companies actively filing in this space. Valinge Innovation AB leads with 32 patents, followed by Glowforge Inc. at 10 grants and Masonite Corporation at 8.

Filing activity in B27M is up 88% 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 B27M innovation accelerating?

US utility-patent grants per year in B27M, 2015–2025 - recent five years are up 88% versus 2015–2019.

1020304050 20152016201720182019202020212022202320242025 28

Who leads B27M?

The 12 most active assignees in WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES - wider bars mean more grants

patents

What this shows Valinge Innovation Ab is the most active filer in B27M, holding 32 of the 306 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 B27M
Rank Company Patents in B27M
#1 Valinge Innovation AB 32
#2 Glowforge Inc. 10
#3 Masonite Corporation 8
#4 Unilin BV 8
#5 Välinge Innovation AB 8
#6 USNR, Llc 7
#7 Unilin BVBA 7
#8 Homag Gmbh 6
#9 Delcotto IP, Llc 6
#10 Flooring Industies Limited, SARL 5
#11 Ceraloc Innovation AB 5
#12 Michael Weinig Ag 5
#13 Buildz, Llc 5
#14 American Woodmark Management Company 3
#15 Palletec, Llc 3
#16 Thermwood Corporation 2
#17 CHEP Technology Pty Limited 2
#18 Kreg Enterprises, Inc. 2
#19 RSI HOME Products Management, Inc. 2
#20 International Centre FOR Bamboo AND Rattan 2

About This Class

CPC subclass B27M belongs to class B27.

306 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 B27M 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 B27M assignees by class footprint. Bubble size = patents in B27M. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 B27M assignees by class footprint. Bubble size = patents in B27M. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 01020304050 010203040 Patents in B27M Avg claims / patent (company-wide) Valinge Innovation AbGlowforgeMasoniteUnilin BvVÄLinge Innovation AbUsnrUnilin BvbaHomagDelcotto IpFlooring Industies Sa…Ceraloc Innovation AbMichael WeinigBuildzAmerican Woodmark Man…
Top 14 B27M assignees by class footprint. Bubble size = patents in B27M. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class B27M?
CPC subclass B27M covers WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES. It belongs to CPC class B27 (WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL), with 306 US utility patents granted since 2015.
How many patents have been filed in B27M?
306 US utility patents were granted in CPC subclass B27M between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in B27M?
Valinge Innovation AB leads B27M with 32 patents, making it the most active assignee in this technology area.
How is patent data for B27M 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 B27M 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.