CPC technology class · B65

B65B - Machines

Machines, apparatus or devices for, or methods of, packaging articles or materials; unpacking. 10,637 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

10,637
US patents granted
#4/6
in B65
14.4%
B65 class share
+12%
5-yr velocity

The verdict

According to USPTO PatentsView, Machines ranks #164 of 670 CPC technology areas - 10,637 US patents granted since 2015, with recorded grant volume up 12% over five years.

#164
of 670 CPC technology areas
10,637
US patents granted, 2015–2025
Tetra Laval Holdings &…
leading assignee (231)
+12%
grant velocity, last 5 yrs

How B65B's grant cadence moved

Between 2020–2024, B65B recorded 5,109 grants versus 4,575 in 2015–2019 (+12% equal-window velocity). Across complete years, output peaked in 2020 at 1,125 grants and bottomed in 2015 at 781 (+44% peak-over-trough). Lead assignee Tetra Laval Holdings & Finance S.A. holds 2.2% of the class ; the top three share 4.9%.

Leaderboard read

B65B concentration, lead at 2.2%

Tetra Laval Holdings & Finance S.A. leads this historical grant record at 2.2% of B65B - foreign corporation assignees hold 55% of class grants (3,915 of 7,144). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share
2.2%

231 of 10,637 grants

Top three share
4.9%

of the class's recorded grants

Lead over #2
79

more grants than The Procter & Gamble Company

Where B65B sits inside B65

Among 6 subclasses in B65 (CONVEYING; PACKING; STORING; Handling Thin OR Filamentary Material), B65B ranks #4 and holds 14.4% 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.

Rising assignees active in B65B

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. #1 Berkshire Grey Operating Company, Inc. 124x 0 → 124 company-wide · 5 in B65B
  2. #2 MONOTONY.AI, Inc. 19x 0 → 19 company-wide · 11 in B65B
  3. #3 Bausch + Lomb Ireland Limited 15x 0 → 15 company-wide · 5 in B65B
  4. #4 Bausch + Ströbel Maschinenfabrik Ilshofen GmbH + Co. KG 13x 1 → 13 company-wide · 7 in B65B
  5. #5 Ulma Packaging, S. Coop 11x 0 → 11 company-wide · 12 in B65B

B65B grants by year, peak 2020 (1,125)

US utility-patent grants per year in B65B, 2015–2025 - recent five years are up 12% versus 2015–2019.

7008009001,0001,1001,200 20152016201720182019202020212022202320242025 762

Who leads B65B?

The 12 most active assignees in Machines, Apparatus OR Devices FOR, OR Methods OF, Packaging Articles OR MATERIALS; Unpacking - wider bars mean more grants

patents

What this shows Tetra Laval Holdings… is the most active filer in B65B, holding 231 of the 10,637 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

Footprint here vs. claim strategy

Each dot is a leading B65B 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 B65B assignees by class footprint. Bubble size = patents in B65B. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 010203040 50100150200250 Patents in B65B Avg claims / patent (company-wide) Tetra Laval Holdings…The Procter & GambleKhsSignode Industrial…KronesMultivac Sepp…Graphic Packaging…Altria Client ServicesIshidaMaxYuyama MfgCryovacI M A Industria…Lantech com
Top 14 B65B assignees by class footprint. Bubble size = patents in B65B. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near B65B's 10,637-grant footprint

Nationwide nearest neighbors for B65B (#164 of 670 by volume ; lead share 2.2%) - not the B65 parent-class siblings above.

Questions about B65B

Which company holds the most patents in B65B?
Tetra Laval Holdings & Finance S.A. leads B65B with 231 patents (2.2% of the subclass). By PatentsView assignee type, foreign corporations account for 55% of class grants.
Which B65B assignees grew fastest recently?
Among assignees with ≥5 grants in B65B, Berkshire Grey Operating Company, Inc. shows the highest company-wide grant multiple (124x: 0 grants in 2019–2021 → 124 in 2022–2024) while holding 5 patents in this subclass. Growth is company-wide, not class-only.
How does B65B compare inside parent class B65?
Inside B65 (CONVEYING; PACKING; STORING; Handling Thin OR Filamentary Material), B65B ranks #4 of 6 subclasses by grant volume and holds 14.4% of the parent class total. The largest sibling is B65D (29,449 grants).

What to do with this data

B65B in context - here's where to go next.

  • Tetra Laval Holdings & Finance S.A. leads B65B with 231 grants in this class. See full portfolio
  • B65B ranks #164 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.

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.