PlainPatent

CPC technology class · B22

B22F - Working Metallic Powder

Working metallic powder; manufacture of articles from metallic powder; making metallic powder ; apparatus or devices specially adapted for metallic powder. 13,344 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

13,344
US patents granted
B22
Parent CPC class
20
Active assignees
+107%
5-yr velocity

The verdict

Working Metallic Powder ranks #142 of 670 CPC technology areas - 13,344 US patents granted since 2015, with filing up 107% over five years.

#142
of 670 CPC technology areas
13,344
US patents granted, 2015–2025
General Electric
leading assignee (639)
+107%
filing velocity, last 5 yrs
Top assignee: General Electric Company (639 patents)

CPC subclass B22F - WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER ; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER - covers 13,344 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class B22 (CASTING; POWDER METALLURGY). See our CPC classification guide for how the system works.

The competitive landscape in B22F is shaped by 20 distinct companies actively filing in this space. General Electric Company leads with 639 patents, followed by Hewlett-packard Development Company, L.p. at 272 grants and United Technologies Corporation at 169.

Filing activity in B22F is up 107% 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 B22F innovation accelerating?

US utility-patent grants per year in B22F, 2015–2025 - recent five years are up 107% versus 2015–2019.

5001,0001,5002,000 20152016201720182019202020212022202320242025 1,019

Who leads B22F?

The 12 most active assignees in WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER ; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER - wider bars mean more grants

patents

What this shows General Electric is the most active filer in B22F, holding 639 of the 13,344 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 B22F
Rank Company Patents in B22F
#1 General Electric Company 639
#2 Hewlett-packard Development Company, L.p. 272
#3 United Technologies Corporation 169
#4 Concept Laser, Gmbh 152
#5 Raytheon Technologies Corporation 127
#6 Baker Hughes Holdings Llc 113
#7 TDK Corporation 106
#8 Arcam AB 106
#9 US Synthetic Corporation 90
#10 Desktop Metal, Inc. 89
#11 EOS Gmbh Electro Optical Systems 87
#12 Divergent Technologies, Inc. 83
#13 Rolls-royce Plc 69
#14 MTU Aero Engines Ag 68
#15 DOWA Electronics Materials Co., Ltd. 67
#16 Mitsubishi Materials Corporation 64
#17 True Velocity IP Holdings, Inc. 61
#18 Sodick Co., Ltd. 60
#19 Rolls-royce Corporation 57
#20 Siemens Energy Global Gmbh & Co. KG 57

About This Class

CPC subclass B22F belongs to class B22.

13,344 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 B22F 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 B22F assignees by class footprint. Bubble size = patents in B22F. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 B22F assignees by class footprint. Bubble size = patents in B22F. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 10152025 0200400600800 Patents in B22F Avg claims / patent (company-wide) General ElectricHewlett-packard Devel…UnitedConcept LaserRaytheonBaker Hughes HoldingsTdkArcam AbUs SyntheticDesktop MetalEos Electro Optical S…DivergentRolls-royceMtu Aero Engines
Top 14 B22F assignees by class footprint. Bubble size = patents in B22F. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class B22F?
CPC subclass B22F covers WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER ; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER. It belongs to CPC class B22 (CASTING; POWDER METALLURGY), with 13,344 US utility patents granted since 2015.
How many patents have been filed in B22F?
13,344 US utility patents were granted in CPC subclass B22F between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in B22F?
General Electric Company leads B22F with 639 patents, making it the most active assignee in this technology area.
How is patent data for B22F 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., B22) is a broad technology category. Subclasses like B22F 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.