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 grant trajectory.

Compiled by PlainPatent · May 15, 2026

17,344
US patents granted: #2/6
in B65: 23.5%
B65 class share: +25%
5-yr velocity

The verdict

According to USPTO PatentsView, Transport Or Storage Devices ranks #108 of 670 CPC technology areas - 17,344 US patents granted since 2015, with recorded grant volume up 25% over five years.

#108
of 670 CPC technology areas: 17,344
US patents granted, 2015–2025: Amazon
leading assignee (486): +25%
grant velocity, last 5 yrs

How B65G's grant cadence moved

Between 2020–2024, B65G recorded 8,601 grants versus 6,903 in 2015–2019 (+25% equal-window velocity). Across complete years, output peaked in 2024 at 1,896 grants and bottomed in 2015 at 1,172 (+62% peak-over-trough). Lead assignee Amazon Technologies, Inc. holds 2.8% of the class ; the top three share 5.9%.

Leaderboard read

B65G concentration, lead at 2.8%

Amazon Technologies, Inc. leads this historical grant record at 2.8% of B65G - foreign corporation assignees hold 53% of class grants (6,022 of 11,273). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share: 2.8%
Top three share: 5.9%
Lead over #2: 166

Where B65G sits inside B65

Among 6 subclasses in B65 (CONVEYING; PACKING; STORING; Handling Thin OR Filamentary Material), B65G ranks #2 and holds 23.5% of the parent class's 73,904 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

B65D 29,449 B65H 13,990 B65B 10,637 B65F 1,429 B65C 1,055

Rising assignees active in B65G

Company-wide grant multiples (2022–2024 vs 2019–2021) among assignees with ≥5 patents in this subclass. Growth is company-wide; class patent counts are subclass-specific.

#1 Berkshire Grey Operating Company, Inc. 124x 0 → 124 company-wide · 112 in B65G
#2 HAI Robotics Co., Ltd. 94x 1 → 94 company-wide · 40 in B65G
#3 TE Connectivity Solutions GmbH 68x 4 → 271 company-wide · 12 in B65G
#4 Brooks Automation US, LLC 57x 0 → 57 company-wide · 16 in B65G
#5 JSW Aktina System Co., Ltd. 27x 0 → 27 company-wide · 10 in B65G

B65G grants by year, peak 2024 (1,896)

US utility-patent grants per year in B65G, 2015–2025 - recent five years are up 25% versus 2015–2019.

Amazon

486
Daifuku

320
Laitram L L C

222
Murata Machinery

198
Krones

187
Autostore Technology…

179
Intelligrated…

174
Symbotic

174
Ocado Innovation

131
Walmart Apollo

118
Khs

113
Berkshire Grey…

112

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.

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

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).

Classes near B65G's 17,344-grant footprint

Nationwide nearest neighbors for B65G (#108 of 670 by volume ; lead share 2.8%) - not the B65 parent-class siblings above.

Nearest by grant volume

C12Y 17,214 B64C 17,186 F16K 17,624 F02D 16,949

Nearest by lead-assignee share

A61F 2.8% B66D 2.8% G07B 2.8% C23F 2.8%

Questions about B65G

Which company holds the most patents in B65G?

Amazon Technologies, Inc. leads B65G with 486 patents (2.8% of the subclass). By PatentsView assignee type, foreign corporations account for 53% of class grants.

Which B65G assignees grew fastest recently?

Among assignees with ≥5 grants in B65G, Berkshire Grey Operating Company, Inc. shows the highest company-wide grant multiple (124x: 0 grants in 2019–2021 → 124 in 2022–2024) while holding 112 patents in this subclass. Growth is company-wide, not class-only.

How does B65G compare inside parent class B65?

Inside B65 (CONVEYING; PACKING; STORING; Handling Thin OR Filamentary Material), B65G ranks #2 of 6 subclasses by grant volume and holds 23.5% of the parent class total. The largest sibling is B65D (29,449 grants).

What to do with this data

B65G in context - here's where to go next.

Amazon Technologies, Inc. leads B65G with 486 grants in this class. See full portfolio
B65G ranks #108 of 670 by grant volume among all tracked CPC technology areas. See the ranking
Inside parent class B65, the largest sibling subclass is B65D with 29,449 grants. Explore B65D

Figures reflect USPTO PatentsView grant data through 2026-05-15; pending applications not yet granted are not counted.

Methodology - B65G figures are USPTO PatentsView granted-utility totals for this subclass (17,344 grants in the tracked window).

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.