PlainPatent

CPC technology class · B63

B63G - Offensive OR Defensive Arrangements ON Vessels

Offensive or defensive arrangements on vessels; mine-laying; mine-sweeping; submarines; aircraft carriers. 1,181 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

1,181
US patents granted
B63
Parent CPC class
20
Active assignees
+33%
5-yr velocity

The verdict

Offensive OR Defensive Arrangements ON Vessels ranks #433 of 670 CPC technology areas - 1,181 US patents granted since 2015, with filing up 33% over five years.

#433
of 670 CPC technology areas
1,181
US patents granted, 2015–2025
United States of Amer…
leading assignee (98)
+33%
filing velocity, last 5 yrs
Top assignee: United States Of America As Represented By The Secretary Of The Air Force (98 patents)

CPC subclass B63G - OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS - covers 1,181 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class B63 (SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT). See our CPC classification guide for how the system works.

The competitive landscape in B63G is shaped by 20 distinct companies actively filing in this space. United States Of America As Represented By The Secretary Of The Air Force leads with 98 patents, followed by Seabed Geosolutions B.v. at 18 grants and Oceaneering International, Inc. at 16.

Filing activity in B63G is up 33% 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 B63G innovation accelerating?

US utility-patent grants per year in B63G, 2015–2025 - recent five years are up 33% versus 2015–2019.

6080100120140 20152016201720182019202020212022202320242025 65

Who leads B63G?

The 12 most active assignees in OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS - wider bars mean more grants

patents

What this shows United States of Amer… is the most active filer in B63G, holding 98 of the 1,181 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 B63G
Rank Company Patents in B63G
#1 United States Of America As Represented By The Secretary Of The Air Force 98
#2 Seabed Geosolutions B.v. 18
#3 Oceaneering International, Inc. 16
#4 Hadal, Inc. 14
#5 Atlas Elektronik Gmbh 14
#6 Magseis FF Llc 12
#7 CGG Services SAS 11
#8 Subsea 7 Limited 11
#9 PGS Geophysical AS 10
#10 Fairfield Industries Incorporated 10
#11 DCNS 9
#12 FMC Technologies, Inc. 8
#13 Thyssenkrupp Marine Systems Gmbh 8
#14 Juliet Marine Systems, Inc. 8
#15 Navico Holding AS 7
#16 Teledyne Instruments, Inc. 7
#17 Yangzhou University 7
#18 Unmanned Innovations, Inc. 7
#19 Calzoni S.r.l. 7
#20 3D At Depth, Inc. 7

About This Class

CPC subclass B63G belongs to class B63.

1,181 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 B63G 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 B63G assignees by class footprint. Bubble size = patents in B63G. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 B63G assignees by class footprint. Bubble size = patents in B63G. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 10152025 020406080100120 Patents in B63G Avg claims / patent (company-wide) United States of Amer…Seabed Geosolutions B…Oceaneering Internati…HadalAtlas ElektronikMagseis FfCgg Services SasSubsea 7Pgs Geophysical AsFairfield Industries…DcnsFmcthyssenkrupp Marine S…Juliet Marine Systems
Top 14 B63G assignees by class footprint. Bubble size = patents in B63G. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class B63G?
CPC subclass B63G covers OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS. It belongs to CPC class B63 (SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT), with 1,181 US utility patents granted since 2015.
How many patents have been filed in B63G?
1,181 US utility patents were granted in CPC subclass B63G between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in B63G?
United States Of America As Represented By The Secretary Of The Air Force leads B63G with 98 patents, making it the most active assignee in this technology area.
How is patent data for B63G 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., B63) is a broad technology category. Subclasses like B63G 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.