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 grant trajectory.

Compiled by PlainPatent · May 15, 2026

1,092
US patents granted: #3/3
in B24: 11.3%
B24 class share: -10%
5-yr velocity

The verdict

According to USPTO PatentsView, Abrasive Or Related Blasting With Particulate Material ranks #444 of 670 CPC technology areas - 1,092 US patents granted since 2015, with recorded grant volume down 10% over five years.

#444
of 670 CPC technology areas: 1,092
US patents granted, 2015–2025: Sintokogio
leading assignee (57): -10%
grant velocity, last 5 yrs

How B24C's grant cadence moved

Between 2020–2024, B24C recorded 475 grants versus 528 in 2015–2019 (-10% equal-window velocity). Across complete years, output peaked in 2022 at 119 grants and bottomed in 2024 at 79 (+51% peak-over-trough). Lead assignee Sintokogio, Ltd. holds 5.2% of the class ; the top three share 11.1%.

Leaderboard read

B24C concentration, lead at 5.2%

Sintokogio, Ltd. leads this historical grant record at 5.2% of B24C - us corporation assignees hold 52% of class grants (227 of 440). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share: 5.2%
Top three share: 11.1%
Lead over #2: 15

Where B24C sits inside B24

Among 3 subclasses in B24 (GRINDING; Polishing), B24C ranks #3 and holds 11.3% of the parent class's 9,639 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

B24B 6,402 B24D 2,145

Rising assignees active in B24C

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 Cold Jet, LLC 6.00x 2 → 12 company-wide · 10 in B24C
#2 Axxiom Manufacturing, Inc. 4.00x 0 → 4 company-wide · 5 in B24C
#3 ANT Applied New Technologies AG 2.50x 2 → 5 company-wide · 7 in B24C
#4 Sintokogio, Ltd. 1.72x 58 → 100 company-wide · 57 in B24C
#5 Fuji Manufacturing Co., Ltd. 1.50x 4 → 6 company-wide · 21 in B24C

B24C grants by year, peak 2022 (119)

US utility-patent grants per year in B24C, 2015–2025 - recent five years are down 10% versus 2015–2019.

Sintokogio

57
Omax

42
Flow International

22
Fuji Manufacturing

21
Hypertherm

20
Terydon

20
Wheelabrator Group

12
Graco Minnesota

11
Cold Jet

10
Sugino Machine

9
Engineered Abrasives

9
Ferton Holding

8

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.

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

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).

Classes near B24C's 1,092-grant footprint

Nationwide nearest neighbors for B24C (#444 of 670 by volume ; lead share 5.2%) - not the B24 parent-class siblings above.

Nearest by grant volume

A63C 1,092 G01Q 1,097 A01P 1,084 F23J 1,082

Nearest by lead-assignee share

B29D 5.2% F15D 5.2% A23F 5.3% C21C 5.2%

Questions about B24C

Which company holds the most patents in B24C?

Sintokogio, Ltd. leads B24C with 57 patents (5.2% of the subclass). By PatentsView assignee type, us corporations account for 52% of class grants.

Which B24C assignees grew fastest recently?

Among assignees with ≥5 grants in B24C, Cold Jet, LLC shows the highest company-wide grant multiple (6.00x: 2 grants in 2019–2021 → 12 in 2022–2024) while holding 10 patents in this subclass. Growth is company-wide, not class-only.

How does B24C compare inside parent class B24?

Inside B24 (GRINDING; Polishing), B24C ranks #3 of 3 subclasses by grant volume and holds 11.3% of the parent class total. The largest sibling is B24B (6,402 grants).

What to do with this data

B24C in context - here's where to go next.

Sintokogio, Ltd. leads B24C with 57 grants in this class. See full portfolio
B24C ranks #444 of 670 by grant volume among all tracked CPC technology areas. See the ranking
Inside parent class B24, the largest sibling subclass is B24B with 6,402 grants. Explore B24B

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

Methodology - B24C figures are USPTO PatentsView granted-utility totals for this subclass (1,092 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.