PlainPatent

CPC technology class · B24

B24C - Abrasive OR Related Blasting WITH Particulate Material

Abrasive or related blasting with particulate material. 1,092 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

1,092
US patents granted
B24
Parent CPC class
20
Active assignees
+2%
5-yr velocity

The verdict

Abrasive OR Related Blasting WITH Particulate Material ranks #443 of 670 CPC technology areas - 1,092 US patents granted since 2015, with filing up 2% over five years.

#443
of 670 CPC technology areas
1,092
US patents granted, 2015–2025
Sintokogio
leading assignee (57)
+2%
filing velocity, last 5 yrs
Top assignee: Sintokogio, Ltd. (57 patents)

CPC subclass B24C - ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL - covers 1,092 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class B24 (GRINDING; POLISHING). See our CPC classification guide for how the system works.

The competitive landscape in B24C is shaped by 20 distinct companies actively filing in this space. Sintokogio, Ltd. leads with 57 patents, followed by OMAX Corporation at 42 grants and Flow International Corporation at 22.

Filing activity in B24C is up 2% over the past five years versus 2015-2019, a relatively steady filing pace. All counts come directly from USPTO PatentsView and reflect US granted utility patents only.

Is B24C innovation accelerating?

US utility-patent grants per year in B24C, 2015–2025 - recent five years are up 2% versus 2015–2019.

6080100120140 20152016201720182019202020212022202320242025 63

Who leads B24C?

The 12 most active assignees in ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL - wider bars mean more grants

patents

What this shows Sintokogio is the most active filer in B24C, holding 57 of the 1,092 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 B24C
Rank Company Patents in B24C
#1 Sintokogio, Ltd. 57
#2 OMAX Corporation 42
#3 Flow International Corporation 22
#4 FUJI Manufacturing Co., Ltd. 21
#5 Hypertherm, Inc. 20
#6 Terydon, Inc. 20
#7 Wheelabrator Group Limited 12
#8 Graco Minnesota Inc. 11
#9 Cold Jet, Llc 10
#10 Sugino Machine Limited 9
#11 Engineered Abrasives, Inc. 9
#12 Ferton Holding S.a. 8
#13 Sumitomo Electric Hardmetal Corp. 7
#14 Desktop Metal, Inc. 7
#15 VLN Advanced Technologies Inc. 7
#16 ANT Applied New Technologies Ag 7
#17 National Flooring Equipment, Inc. 6
#18 GDO Inc. 6
#19 PSI Pressure Systems Llc 6
#20 FUJI Kihan Co., Ltd. 5

About This Class

CPC subclass B24C belongs to class B24.

1,092 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 B24C 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 B24C assignees by class footprint. Bubble size = patents in B24C. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 B24C assignees by class footprint. Bubble size = patents in B24C. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 510152025 0204060 Patents in B24C Avg claims / patent (company-wide) SintokogioOmaxFlow InternationalFuji ManufacturingHyperthermTerydonWheelabrator GroupGraco MinnesotaCold JetSugino MachineEngineered AbrasivesFerton HoldingSumitomo Electric Har…Desktop Metal
Top 14 B24C assignees by class footprint. Bubble size = patents in B24C. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class B24C?
CPC subclass B24C covers ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL. It belongs to CPC class B24 (GRINDING; POLISHING), with 1,092 US utility patents granted since 2015.
How many patents have been filed in B24C?
1,092 US utility patents were granted in CPC subclass B24C between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in B24C?
Sintokogio, Ltd. leads B24C with 57 patents, making it the most active assignee in this technology area.
How is patent data for B24C 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., B24) is a broad technology category. Subclasses like B24C 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.