CPC technology class · B27

B27L - Removing BARK OR Vestiges OF Branches

Removing bark or vestiges of branches ; splitting wood; manufacture of veneer, wooden sticks, wood shavings, wood fibres or wood powder. 168 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

Compiled byPlainPatent Editorial, US Patent Intelligence Editorial Team · May 15, 2026

168
US patents granted: B27
Parent CPC class: 20
Active assignees: +20%
5-yr velocity

The verdict

Removing BARK OR Vestiges OF Branches ranks #609 of 670 CPC technology areas - 168 US patents granted since 2015, with filing up 20% over five years.

#609
of 670 CPC technology areas: 168
US patents granted, 2015–2025: Bandit Industries
leading assignee (8): +20%
filing velocity, last 5 yrs

Top assignee: Bandit Industries, Inc. (8 patents)

CPC subclass B27L - REMOVING BARK OR VESTIGES OF BRANCHES ; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER - covers 168 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 B27L is shaped by 20 distinct companies actively filing in this space. Bandit Industries, Inc. leads with 8 patents, followed by USNR, Llc at 7 grants and Frictionless World, Llc at 7.

Filing activity in B27L is up 20% 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 B27L innovation accelerating?

US utility-patent grants per year in B27L, 2015–2025 - recent five years are up 20% versus 2015–2019.

Bandit Industries

8
Usnr

7
Frictionless World

7
Meinan Machinery Works

7
Pallmann Maschinenfab…

5
Astec Industries

4
Bid Group

4
Blount

3
Forest Concepts

3
Woodland Mills

3
Peerless Chain

3
Fiskars Finland Oy Ab

2

What this shows Bandit Industries is the most active filer in B27L, holding 8 of the 168 patents in this class. Concentration at the top signals how contestable this technology area is for new entrants.

View data table

Top patent holders in CPC subclass B27L
Rank	Company	Patents in B27L
#1	Bandit Industries, Inc.	8
#2	USNR, Llc	7
#3	Frictionless World, Llc	7
#4	Meinan Machinery Works, Inc.	7
#5	Pallmann Maschinenfabrik Gmbh & Co. KG	5
#6	Astec Industries, Inc.	4
#7	BID Group Technologies Ltd	4
#8	Blount, Inc.	3
#9	Forest Concepts, Llc	3
#10	Woodland Mills Inc.	3
#11	Peerless Chain Company	3
#12	Fiskars Finland Oy Ab	2
#13	Harbor Freight Tools USA, Inc.	2
#14	Swiss Krono Tec Ag	2
#15	Irwin Industrial Tool Company	1
#16	Central Garden & PET Company	1
#17	Betek Gmbh & Co. KG	1
#18	Ardisam, Inc.	1
#19	Brock USA, Llc	1
#20	Alamo Group Inc.	1

About This Class

CPC subclass B27L belongs to class B27.

168 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 B27L 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 B27L assignees by class footprint. Bubble size = patents in B27L. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class B27L?

CPC subclass B27L covers REMOVING BARK OR VESTIGES OF BRANCHES ; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER. It belongs to CPC class B27 (WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL), with 168 US utility patents granted since 2015.

How many patents have been filed in B27L?

168 US utility patents were granted in CPC subclass B27L between 2015 and 2025, based on USPTO PatentsView data.

Which company holds the most patents in B27L?

Bandit Industries, Inc. leads B27L with 8 patents, making it the most active assignee in this technology area.

How is patent data for B27L 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 B27L 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.