PlainPatent

CPC technology class · B65

B65G - Transport OR Storage Devices

Transport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors. 17,344 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

17,344
US patents granted
B65
Parent CPC class
20
Active assignees
+45%
5-yr velocity

The verdict

Transport OR Storage Devices ranks #108 of 670 CPC technology areas - 17,344 US patents granted since 2015, with filing up 45% over five years.

#108
of 670 CPC technology areas
17,344
US patents granted, 2015–2025
Amazon
leading assignee (486)
+45%
filing velocity, last 5 yrs
Top assignee: Amazon Technologies, Inc. (486 patents)

CPC subclass B65G - TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS - covers 17,344 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class B65 (CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL). See our CPC classification guide for how the system works.

The competitive landscape in B65G is shaped by 20 distinct companies actively filing in this space. Amazon Technologies, Inc. leads with 486 patents, followed by Daifuku Co., Ltd. at 320 grants and Laitram, L.l.c. at 222.

Filing activity in B65G is up 45% 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 B65G innovation accelerating?

US utility-patent grants per year in B65G, 2015–2025 - recent five years are up 45% versus 2015–2019.

1,0001,2001,4001,6001,8002,000 20152016201720182019202020212022202320242025 1,406

Who leads B65G?

The 12 most active assignees in TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS - wider bars mean more grants

patents

What this shows Amazon is the most active filer in B65G, holding 486 of the 17,344 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 B65G
Rank Company Patents in B65G
#1 Amazon Technologies, Inc. 486
#2 Daifuku Co., Ltd. 320
#3 Laitram, L.l.c. 222
#4 Murata Machinery, Ltd. 198
#5 Krones Ag 187
#6 Autostore Technology AS 179
#7 Intelligrated Headquarters, Llc 174
#8 Symbotic Llc 174
#9 Ocado Innovation Limited 131
#10 Walmart Apollo, Llc 118
#11 KHS Gmbh 113
#12 Berkshire Grey Operating Company, Inc. 112
#13 Dematic Corp. 84
#14 Mujin, Inc. 75
#15 Roche Diagnostics Operations, Inc. 73
#16 CNH Industrial America Llc 72
#17 Goodrich Corporation 69
#18 Fanuc Corporation 68
#19 Rite-hite Holding Corporation 68
#20 Interroll Holding Ag 65

About This Class

CPC subclass B65G belongs to class B65.

17,344 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 B65G 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 B65G assignees by class footprint. Bubble size = patents in B65G. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 B65G assignees by class footprint. Bubble size = patents in B65G. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 010203040 0100200300400500600 Patents in B65G Avg claims / patent (company-wide) AmazonDaifukuLaitram L L CMurata MachineryKronesAutostore Technology…Intelligrated Headqua…SymboticOcado InnovationWalmart ApolloKhsBerkshire Grey Operat…DematicMujin
Top 14 B65G assignees by class footprint. Bubble size = patents in B65G. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class B65G?
CPC subclass B65G covers TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS. It belongs to CPC class B65 (CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL), with 17,344 US utility patents granted since 2015.
How many patents have been filed in B65G?
17,344 US utility patents were granted in CPC subclass B65G between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in B65G?
Amazon Technologies, Inc. leads B65G with 486 patents, making it the most active assignee in this technology area.
How is patent data for B65G 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., B65) is a broad technology category. Subclasses like B65G 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.