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 grant trajectory.

Compiled by PlainPatent · May 15, 2026

168
US patents granted: #9/11
in B27: 4.0%
B27 class share: +7%
5-yr velocity

The verdict

According to USPTO PatentsView, Removing Bark Or Vestiges Of Branches ranks #609 of 670 CPC technology areas - 168 US patents granted since 2015, with recorded grant volume up 7% over five years.

#609
of 670 CPC technology areas: 168
US patents granted, 2015–2025: Bandit Industries
leading assignee (8): +7%
grant velocity, last 5 yrs

How B27L's grant cadence moved

Between 2020–2024, B27L recorded 81 grants versus 76 in 2015–2019 (+7% equal-window velocity). Across complete years, output peaked in 2018 at 25 grants and bottomed in 2015 at 9 (+178% peak-over-trough). Lead assignee Bandit Industries, Inc. holds 4.8% of the class ; the top three share 13.1%.

Leaderboard read

B27L concentration, lead at 4.8%

Bandit Industries, Inc. leads this historical grant record at 4.8% of B27L - us corporation assignees hold 57% of class grants (43 of 75). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share: 4.8%
Top three share: 13.1%
Lead over #2: 1

Where B27L sits inside B27

Among 11 subclasses in B27 (Working OR Preserving Wood OR Similar MATERIAL; Nailing OR Stapling Machines IN General), B27L ranks #9 and holds 4.0% of the parent class's 4,149 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

B27B 1,327 B27N 750 B27G 503 B27K 387 B27M 306 B27F 238 B27C 208 B27D 200

Rising assignees active in B27L

Company-wide grant multiples (2022–2024 vs 2019–2021) among assignees with ≥5 patents in this subclass. Growth is company-wide; class patent counts are subclass-specific.

#1 Meinan Machinery Works, Inc. 2.33x 3 → 7 company-wide · 7 in B27L
#2 Usnr, LLC 0.91x 21 → 19 company-wide · 7 in B27L

B27L grants by year, peak 2018 (25)

US utility-patent grants per year in B27L, 2015–2025 - recent five years are up 7% versus 2015–2019.

Bandit Industries

8
Usnr

7
Frictionless World

7
Meinan Machinery Works

7
Pallmann Maschinenfabr…

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

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).

Questions about B27L

Which company holds the most patents in B27L?

Bandit Industries, Inc. leads B27L with 8 patents (4.8% of the subclass). By PatentsView assignee type, us corporations account for 57% of class grants.

Which B27L assignees grew fastest recently?

Among assignees with ≥5 grants in B27L, Meinan Machinery Works, Inc. shows the highest company-wide grant multiple (2.33x: 3 grants in 2019–2021 → 7 in 2022–2024) while holding 7 patents in this subclass. Growth is company-wide, not class-only.

How does B27L compare inside parent class B27?

Inside B27 (Working OR Preserving Wood OR Similar MATERIAL; Nailing OR Stapling Machines IN General), B27L ranks #9 of 11 subclasses by grant volume and holds 4.0% of the parent class total. The largest sibling is B27B (1,327 grants).

What to do with this data

B27L in context - here's where to go next.

Bandit Industries, Inc. leads B27L with 8 grants in this class. See full portfolio
B27L ranks #609 of 670 by grant volume among all tracked CPC technology areas. See the ranking
Inside parent class B27, the largest sibling subclass is B27B with 1,327 grants. Explore B27B

Figures reflect USPTO PatentsView grant data through 2026-05-15; pending applications not yet granted are not counted.

Methodology - B27L figures are USPTO PatentsView granted-utility totals for this subclass (168 grants in the tracked window).

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.