PlainPatent

CPC technology class · B60

B60J - Windows

Windows, windscreens, non-fixed roofs, doors, or similar devices for vehicles; removable external protective coverings specially adapted for vehicles. 6,966 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

6,966
US patents granted
B60
Parent CPC class
20
Active assignees
+43%
5-yr velocity

The verdict

Windows ranks #208 of 670 CPC technology areas - 6,966 US patents granted since 2015, with filing up 43% over five years.

#208
of 670 CPC technology areas
6,966
US patents granted, 2015–2025
Ford Global
leading assignee (513)
+43%
filing velocity, last 5 yrs
Top assignee: Ford Global Technologies, Llc (513 patents)

CPC subclass B60J - WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES - covers 6,966 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class B60 (VEHICLES IN GENERAL). See our CPC classification guide for how the system works.

The competitive landscape in B60J is shaped by 20 distinct companies actively filing in this space. Ford Global Technologies, Llc leads with 513 patents, followed by Saint-gobain Glass France at 166 grants and Inalfa ROOF Systems Group B.v. at 127.

Filing activity in B60J is up 43% 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 B60J innovation accelerating?

US utility-patent grants per year in B60J, 2015–2025 - recent five years are up 43% versus 2015–2019.

300400500600700800 20152016201720182019202020212022202320242025 390

Who leads B60J?

The 12 most active assignees in WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES - wider bars mean more grants

patents

What this shows Ford Global is the most active filer in B60J, holding 513 of the 6,966 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 B60J
Rank Company Patents in B60J
#1 Webasto SE 173
#2 Saint-gobain Glass France 166
#3 Inalfa ROOF Systems Group B.v. 127
#4 Aisin Seiki Kabushiki Kaisha 126
#5 Nishikawa Rubber Co., Ltd. 107
#6 AGC Inc. 99
#7 Bestop, Inc. 81
#8 Nissan North America, Inc. 73
#9 Mazda Motor Corporation 72
#10 Magna Mirrors Of America, Inc. 62
#11 Extang Corporation 61
#12 Magna Closures Inc. 59
#13 Aisin Corporation 52
#14 Sekisui Chemical Co., Ltd. 50
#15 FCA US Llc. 44
#16 Toyoda Gosei Co., Ltd. 43
#17 Mitsui Kinzoku ACT Corporation 42
#18 BOS Gmbh & Co. KG 41
#19 Shiroki Corporation 40
#20 Magna Exteriors Inc. 39

About This Class

CPC subclass B60J belongs to class B60.

6,966 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 B60J 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 B60J assignees by class footprint. Bubble size = patents in B60J. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 B60J assignees by class footprint. Bubble size = patents in B60J. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 51015202530 050100150200 Patents in B60J Avg claims / patent (company-wide) Webasto SeSaint-gobain Glass Fr…Inalfa Roof Systems G…Aisin SeikiNishikawa RubberAgcBestopNissan North AmericaMazda MotorMagna Mirrors of Amer…ExtangMagna ClosuresAisinSekisui Chemical
Top 14 B60J assignees by class footprint. Bubble size = patents in B60J. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class B60J?
CPC subclass B60J covers WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES. It belongs to CPC class B60 (VEHICLES IN GENERAL), with 6,966 US utility patents granted since 2015.
How many patents have been filed in B60J?
6,966 US utility patents were granted in CPC subclass B60J between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in B60J?
Ford Global Technologies, Llc leads B60J with 513 patents, making it the most active assignee in this technology area.
How is patent data for B60J 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., B60) is a broad technology category. Subclasses like B60J 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.