PlainPatent

CPC technology class · B63

B63B - Ships OR Other Waterborne Vessels

Ships or other waterborne vessels; equipment for shipping. 6,790 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

6,790
US patents granted
B63
Parent CPC class
20
Active assignees
+27%
5-yr velocity

The verdict

Ships OR Other Waterborne Vessels ranks #212 of 670 CPC technology areas - 6,790 US patents granted since 2015, with filing up 27% over five years.

#212
of 670 CPC technology areas
6,790
US patents granted, 2015–2025
Brunswick
leading assignee (196)
+27%
filing velocity, last 5 yrs
Top assignee: Brunswick Corporation (196 patents)

CPC subclass B63B - SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING - covers 6,790 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 B63B is shaped by 20 distinct companies actively filing in this space. Brunswick Corporation leads with 196 patents, followed by United States Of America As Represented By The Secretary Of The Air Force at 141 grants and Yamaha Hatsudoki Kabushiki Kaisha at 140.

Filing activity in B63B is up 27% 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 B63B innovation accelerating?

US utility-patent grants per year in B63B, 2015–2025 - recent five years are up 27% versus 2015–2019.

450500550600650700750 20152016201720182019202020212022202320242025 503

Who leads B63B?

The 12 most active assignees in SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING - wider bars mean more grants

patents

What this shows Brunswick is the most active filer in B63B, holding 196 of the 6,790 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 B63B
Rank Company Patents in B63B
#1 Brunswick Corporation 196
#2 United States Of America As Represented By The Secretary Of The Air Force 141
#3 Yamaha Hatsudoki Kabushiki Kaisha 140
#4 Itrec B.v. 83
#5 Mastercraft Boat Company, Llc 63
#6 Furuno Electric Company Limited 51
#7 PGS Geophysical AS 49
#8 Daewoo Shipbuilding & Marine Engineering Co., Ltd. 49
#9 Navico Holding AS 47
#10 Single Buoy Moorings Inc. 44
#11 Gaztransport ET Technigaz 39
#12 Bombardier Recreational Products Inc. 38
#13 Dalian University Of Technology 37
#14 LONE GULL Holdings, Ltd. 33
#15 Saipem S.p.a. 32
#16 Skier's Choice, Inc. 32
#17 Thales 31
#18 Samsung Heavy IND. Co., Ltd. 28
#19 Technip France 27
#20 CGG Services SAS 26

About This Class

CPC subclass B63B belongs to class B63.

6,790 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 B63B 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 B63B assignees by class footprint. Bubble size = patents in B63B. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 B63B assignees by class footprint. Bubble size = patents in B63B. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 0510152025 050100150200250 Patents in B63B Avg claims / patent (company-wide) BrunswickUnited States of Amer…Yamaha HatsudokiItrec B VMastercraft BoatFuruno ElectricPgs Geophysical AsDaewoo Shipbuilding &…Navico Holding AsSingle Buoy MooringsGaztransport Et Techn…Bombardier Recreation…Dalian University of…Lone Gull Holdings
Top 14 B63B assignees by class footprint. Bubble size = patents in B63B. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class B63B?
CPC subclass B63B covers SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING. It belongs to CPC class B63 (SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT), with 6,790 US utility patents granted since 2015.
How many patents have been filed in B63B?
6,790 US utility patents were granted in CPC subclass B63B between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in B63B?
Brunswick Corporation leads B63B with 196 patents, making it the most active assignee in this technology area.
How is patent data for B63B 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 B63B 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.