PlainPatent

CPC technology class · B27

B27C - Planing

Planing, drilling, milling, turning or universal machines for wood or similar material. 208 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

208
US patents granted
#7/11
in B27
5.0%
B27 class share
+5%
5-yr velocity

The verdict

According to USPTO PatentsView, Planing ranks #597 of 670 CPC technology areas - 208 US patents granted since 2015, with recorded grant volume up 5% over five years.

#597
of 670 CPC technology areas
208
US patents granted, 2015–2025
Robert Bosch
leading assignee (15)
+5%
grant velocity, last 5 yrs

How B27C's grant cadence moved

Between 2020–2024, B27C recorded 96 grants versus 91 in 2015–2019 (+5% equal-window velocity). Across complete years, output peaked in 2016 at 26 grants and bottomed in 2015 at 13 (+100% peak-over-trough). Lead assignee Woodpeckers, LLC holds 4.8% of the class ; the top three share 12.0%.

Leaderboard read

B27C concentration, lead at 4.8%

Woodpeckers, LLC leads this historical grant record at 4.8% of B27C - foreign corporation assignees hold 50% of class grants (45 of 90). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share
4.8%

10 of 208 grants

Top three share
12.0%

of the class's recorded grants

Lead over #2
2

more grants than Woodcraft Solutions LLC

Where B27C sits inside B27

Among 11 subclasses in B27 (Working OR Preserving Wood OR Similar MATERIAL; Nailing OR Stapling Machines IN General), B27C ranks #7 and holds 5.0% 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 B27D 200 B27L 168

Rising assignees active in B27C

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. #1 Woodcraft Solutions LLC 7.00x 1 → 7 company-wide · 8 in B27C
  2. #2 Woodpeckers, LLC 2.15x 34 → 73 company-wide · 10 in B27C
  3. #3 Rockler Companies, Inc. 1.00x 9 → 9 company-wide · 5 in B27C
  4. #4 Kreg Enterprises, Inc. 0.56x 25 → 14 company-wide · 6 in B27C
  5. #5 Michael Weinig AG 0.44x 9 → 4 company-wide · 7 in B27C

B27C grants by year, peak 2016 (26)

US utility-patent grants per year in B27C, 2015–2025 - recent five years are up 5% versus 2015–2019.

1015202530 20152016201720182019202020212022202320242025 16

Who leads B27C?

The 12 most active assignees in Planing, Drilling, Milling, Turning OR Universal Machines FOR Wood OR Similar Material - wider bars mean more grants

patents

What this shows Robert Bosch is the most active filer in B27C, holding 15 of the 208 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 B27C
Rank Company Patents in B27C
#1 Woodpeckers, LLC 10
#2 Woodcraft Solutions LLC 8
#3 Michael Weinig AG 7
#4 Kreg Enterprises, Inc. 6
#5 Power Box AG 6
#6 Kingsand Machinery Ltd. 6
#7 Rockler Companies, Inc. 5
#8 Homag GmbH 4
#9 Nomis LLC 3
#10 OAV Equipment AND Tools, Inc. 3
#11 Jessem Tool Corporation 3
#12 Thermwood Corporation 2
#13 Advanced Architectural Products, LLC 2
#14 Homag Holzbearbeitungssysteme GmbH 2
#15 Ledermann GmbH & Co. KG 2
#16 Magswitch Automation Company 2
#17 Dreadnought, Inc. 2
#18 JessEm Products Limited 2
#19 Waldemar Link GmbH & Co. KG 1
#20 Rawlings Sporting Goods Company, Inc. 1

Footprint here vs. claim strategy

Each dot is a leading B27C 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 B27C assignees by class footprint. Bubble size = patents in B27C. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 0510152025 024681012 Patents in B27C Avg claims / patent (company-wide) WoodpeckersWoodcraft SolutionsMichael WeinigKreg EnterprisesPower BoxKingsand MachineryRockler CompaniesHomagNomisOav Equipment And…Jessem ToolThermwoodAdvanced Architectural…Homag Holzbearbeitungs…
Top 14 B27C assignees by class footprint. Bubble size = patents in B27C. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Questions about B27C

Which company holds the most patents in B27C?
Robert Bosch GmbH leads B27C with 15 patents (4.8% of the subclass). By PatentsView assignee type, foreign corporations account for 50% of class grants.
Which B27C assignees grew fastest recently?
Among assignees with ≥5 grants in B27C, Woodcraft Solutions LLC shows the highest company-wide grant multiple (7.00x: 1 grants in 2019–2021 → 7 in 2022–2024) while holding 8 patents in this subclass. Growth is company-wide, not class-only.
How does B27C compare inside parent class B27?
Inside B27 (Working OR Preserving Wood OR Similar MATERIAL; Nailing OR Stapling Machines IN General), B27C ranks #7 of 11 subclasses by grant volume and holds 5.0% of the parent class total. The largest sibling is B27B (1,327 grants).

What to do with this data

B27C in context - here's where to go next.

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

Methodology - B27C figures are USPTO PatentsView granted-utility totals for this subclass (208 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.