PlainPatent

CPC technology class · B02

B02B - Preparing Grain FOR Milling

Preparing grain for milling; refining granular fruit to commercial products by working the surface. 74 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

74
US patents granted
B02
Parent CPC class
12
Active assignees
+52%
5-yr velocity

The verdict

Preparing Grain FOR Milling ranks #631 of 670 CPC technology areas - 74 US patents granted since 2015, with filing up 52% over five years.

#631
of 670 CPC technology areas
74
US patents granted, 2015–2025
General Mills
leading assignee (8)
+52%
filing velocity, last 5 yrs
Top assignee: General Mills, Inc. (8 patents)

CPC subclass B02B - PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE - covers 74 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class B02 (CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING). See our CPC classification guide for how the system works.

The competitive landscape in B02B is shaped by 12 distinct companies actively filing in this space. General Mills, Inc. leads with 8 patents, followed by Satake Corporation at 7 grants and Buhler (india) PVT. Ltd. at 3.

Filing activity in B02B is up 52% 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 B02B innovation accelerating?

US utility-patent grants per year in B02B, 2015–2025 - recent five years are up 52% versus 2015–2019.

24681012 20152016201720182019202020212022202320242025 3

Who leads B02B?

The 12 most active assignees in PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE - wider bars mean more grants

patents

What this shows General Mills is the most active filer in B02B, holding 8 of the 74 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 B02B
Rank Company Patents in B02B
#1 General Mills, Inc. 8
#2 Satake Corporation 7
#3 Buhler (india) PVT. Ltd. 3
#4 Gruma S.a.b. DE C.v. 2
#5 Jose Borrell S.a. 2
#6 TATE & LYLE Solutions USA Llc 1
#7 Ardent Mills, Llc 1
#8 Kompoferm Gmbh 1
#9 Felters Of South Carolina, Llc 1
#10 Cotton Incorporated 1
#11 Nara Machinery Co., Ltd. 1
#12 N.v. Desmet Ballestra Engineering S.a. 1

About This Class

CPC subclass B02B belongs to class B02.

74 patents were granted in this class between 2015 and 2025.

12 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 B02B 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 12 B02B assignees by class footprint. Bubble size = patents in B02B. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 12 B02B assignees by class footprint. Bubble size = patents in B02B. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 12 data points (bubble-sized by third dimension). 0510152025 0246810 Patents in B02B Avg claims / patent (company-wide) General MillsSatakeBuhler (India) PvtGruma B De C VJose BorrellTate & Lyle Solutions…Ardent MillsKompofermFelters of South Caro…Cotton IncorporatedNara MachineryDesmet Ballestra Engi…
Top 12 B02B assignees by class footprint. Bubble size = patents in B02B. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class B02B?
CPC subclass B02B covers PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE. It belongs to CPC class B02 (CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING), with 74 US utility patents granted since 2015.
How many patents have been filed in B02B?
74 US utility patents were granted in CPC subclass B02B between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in B02B?
General Mills, Inc. leads B02B with 8 patents, making it the most active assignee in this technology area.
How is patent data for B02B 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., B02) is a broad technology category. Subclasses like B02B 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.