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 filing trajectory.

208
US patents granted
B27
Parent CPC class
20
Active assignees
+23%
5-yr velocity

The verdict

Planing ranks #597 of 670 CPC technology areas - 208 US patents granted since 2015, with filing up 23% over five years.

#597
of 670 CPC technology areas
208
US patents granted, 2015–2025
Robert Bosch
leading assignee (15)
+23%
filing velocity, last 5 yrs
Top assignee: Robert Bosch Gmbh (15 patents)

CPC subclass B27C - PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL - covers 208 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 B27C is shaped by 20 distinct companies actively filing in this space. Robert Bosch Gmbh leads with 15 patents, followed by Woodcraft Solutions Llc at 8 grants and Michael Weinig Ag at 7.

Filing activity in B27C is up 23% 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 B27C innovation accelerating?

US utility-patent grants per year in B27C, 2015–2025 - recent five years are up 23% 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

About This Class

CPC subclass B27C belongs to class B27.

208 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.

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).

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 Too…Jessem ToolThermwoodAdvanced Architectura…Homag Holzbearbeitung…
Top 14 B27C assignees by class footprint. Bubble size = patents in B27C. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class B27C?
CPC subclass B27C covers PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL. It belongs to CPC class B27 (WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL), with 208 US utility patents granted since 2015.
How many patents have been filed in B27C?
208 US utility patents were granted in CPC subclass B27C between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in B27C?
Robert Bosch Gmbh leads B27C with 15 patents, making it the most active assignee in this technology area.
How is patent data for B27C 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 B27C provide finer granularity within that category. PlainPatent organizes data at the subclass level (4-character codes) for the most useful view of technology domains.
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.