PlainPatent

CPC technology class · B27

B27D - Working Veneer OR Plywood

Working veneer or plywood. 200 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

200
US patents granted
B27
Parent CPC class
20
Active assignees
+75%
5-yr velocity

The verdict

Working Veneer OR Plywood ranks #600 of 670 CPC technology areas - 200 US patents granted since 2015, with filing up 75% over five years.

#600
of 670 CPC technology areas
200
US patents granted, 2015–2025
Homag
leading assignee (13)
+75%
filing velocity, last 5 yrs
Top assignee: Homag Gmbh (13 patents)

CPC subclass B27D - WORKING VENEER OR PLYWOOD - covers 200 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 B27D is shaped by 20 distinct companies actively filing in this space. Homag Gmbh leads with 13 patents, followed by Homag Holzbearbeitungssysteme Gmbh at 8 grants and Masonite Corporation at 7.

Filing activity in B27D is up 75% 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 B27D innovation accelerating?

US utility-patent grants per year in B27D, 2015–2025 - recent five years are up 75% versus 2015–2019.

51015202530 20152016201720182019202020212022202320242025 17

Who leads B27D?

The 12 most active assignees in WORKING VENEER OR PLYWOOD - wider bars mean more grants

patents

What this shows Homag is the most active filer in B27D, holding 13 of the 200 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 B27D
Rank Company Patents in B27D
#1 Homag Gmbh 13
#2 Homag Holzbearbeitungssysteme Gmbh 8
#3 Masonite Corporation 7
#4 Meinan Machinery Works, Inc. 7
#5 OAV Equipment AND Tools, Inc. 7
#6 Delcotto IP, Llc 6
#7 Valinge Innovation AB 5
#8 Taihei Machinery Works, Ltd. 5
#9 Boise Cascade Company 4
#10 Woodwelding Ag 3
#11 Välinge Innovation AB 3
#12 Nanjing Forestry University 3
#13 Flooring Technologies Ltd. 2
#14 Fritz Egger Gmbh & Co. OG 2
#15 Raute Oyj 2
#16 Georgia-pacific Wood Products Llc 2
#17 Ledermann Gmbh & Co. KG 2
#18 Jowat Ag 2
#19 M-fire Holdings Llc 2
#20 M-fire Supression, Inc. 2

About This Class

CPC subclass B27D belongs to class B27.

200 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 B27D 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 B27D assignees by class footprint. Bubble size = patents in B27D. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 B27D assignees by class footprint. Bubble size = patents in B27D. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 0510152025 051015 Patents in B27D Avg claims / patent (company-wide) HomagHomag Holzbearbeitung…MasoniteMeinan Machinery WorksOav Equipment And Too…Delcotto IpValinge Innovation AbTaihei Machinery WorksBoise CascadeWoodweldingVÄLinge Innovation AbNanjing Forestry Univ…FlooringFritz Egger & Og
Top 14 B27D assignees by class footprint. Bubble size = patents in B27D. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class B27D?
CPC subclass B27D covers WORKING VENEER OR PLYWOOD. It belongs to CPC class B27 (WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL), with 200 US utility patents granted since 2015.
How many patents have been filed in B27D?
200 US utility patents were granted in CPC subclass B27D between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in B27D?
Homag Gmbh leads B27D with 13 patents, making it the most active assignee in this technology area.
How is patent data for B27D 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 B27D 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.