CPC technology class · B01

B01F - Mixing

Mixing, e.g. dissolving, emulsifying or dispersing. 8,785 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

Compiled by PlainPatent · May 15, 2026

8,785
US patents granted: #4/5
in B01: 8.5%
B01 class share: -1%
5-yr velocity

The verdict

According to USPTO PatentsView, Mixing ranks #183 of 670 CPC technology areas - 8,785 US patents granted since 2015, with recorded grant volume down 1% over five years.

#183
of 670 CPC technology areas: 8,785
US patents granted, 2015–2025: Life
leading assignee (91): -1%
grant velocity, last 5 yrs

How B01F's grant cadence moved

Between 2020–2024, B01F recorded 3,934 grants versus 3,983 in 2015–2019 (-1% equal-window velocity). Across complete years, output peaked in 2020 at 937 grants and bottomed in 2015 at 677 (+38% peak-over-trough). Lead assignee Life Technologies Corporation holds 1.0% of the class ; the top three share 2.6%.

Leaderboard read

B01F concentration, lead at 1.0%

Life Technologies Corporation leads this historical grant record at 1.0% of B01F - us corporation assignees hold 56% of class grants (2,457 of 4,411). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share: 1.0%
Top three share: 2.6%
Lead over #2: 19

Where B01F sits inside B01

Among 5 subclasses in B01 (Physical OR Chemical Processes OR Apparatus IN General), B01F ranks #4 and holds 8.5% of the parent class's 103,400 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

B01D 43,096 B01J 35,809 B01L 15,586 B01B 124

Rising assignees active in B01F

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 Cana Technology, Inc. 21x 0 → 21 company-wide · 11 in B01F
#2 Nutcracker Therapeutics, Inc. 13x 0 → 13 company-wide · 5 in B01F
#3 Cirkul, Inc. 13x 2 → 25 company-wide · 17 in B01F
#4 Dromont S.p.A. 10x 0 → 10 company-wide · 6 in B01F
#5 Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. 8.92x 12 → 107 company-wide · 7 in B01F

B01F grants by year, peak 2020 (937)

US utility-patent grants per year in B01F, 2015–2025 - recent five years are down 1% versus 2015–2019.

Life

91
Bio-rad Laboratories

72
President and Fellows…

65
Heraeus Medical

60
L'oreal

56
Faurecia Emissions…

38
Sartorius Stedim…

37
Nordson

36
M Technique

36
King Technology

33
Vita-mix Management

31
Coldsnap

30

What this shows Life is the most active filer in B01F, holding 91 of the 8,785 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 B01F
Rank	Company	Patents in B01F
#1	Life Technologies Corporation	91
#2	Bio-Rad Laboratories, Inc.	72
#3	President and Fellows of Harvard College	65
#4	Heraeus Medical GmbH	60
#5	L'Oreal	56
#6	Faurecia Emissions Control Technologies, USA, LLC	38
#7	Sartorius Stedim Biotech GmbH	37
#8	Nordson Corporation	36
#9	M. Technique Co., Ltd.	36
#10	King Technology, Inc.	33
#11	Vita-Mix Management Corporation	31
#12	ColdSnap, Corp.	30
#13	Cummins Emission Solutions Inc.	29
#14	Typhon Technology Solutions (U.S.), LLC	28
#15	Donaldson Company, Inc.	27
#16	THE University OF Chicago	27
#17	Global Life Sciences Solutions USA LLC	26
#18	Sulzer Mixpac AG	26
#19	SharkNinja Operating LLC	25
#20	Tenneco Automotive Operating Company LLC	25

Footprint here vs. claim strategy

Each dot is a leading B01F 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 B01F assignees by class footprint. Bubble size = patents in B01F. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near B01F's 8,785-grant footprint

Nationwide nearest neighbors for B01F (#183 of 670 by volume ; lead share 1.0%) - not the B01 parent-class siblings above.

Nearest by grant volume

G01K 8,803 F25D 8,866 C03C 8,986 B23P 8,569

Nearest by lead-assignee share

E02D 1.0% F16L 1.1% G01N 1.0% C07B 1.1%

Questions about B01F

Which company holds the most patents in B01F?

Life Technologies Corporation leads B01F with 91 patents (1.0% of the subclass). By PatentsView assignee type, us corporations account for 56% of class grants.

Which B01F assignees grew fastest recently?

Among assignees with ≥5 grants in B01F, Cana Technology, Inc. shows the highest company-wide grant multiple (21x: 0 grants in 2019–2021 → 21 in 2022–2024) while holding 11 patents in this subclass. Growth is company-wide, not class-only.

How does B01F compare inside parent class B01?

Inside B01 (Physical OR Chemical Processes OR Apparatus IN General), B01F ranks #4 of 5 subclasses by grant volume and holds 8.5% of the parent class total. The largest sibling is B01D (43,096 grants).

What to do with this data

B01F in context - here's where to go next.

Life Technologies Corporation leads B01F with 91 grants in this class. See full portfolio
B01F ranks #183 of 670 by grant volume among all tracked CPC technology areas. See the ranking
Inside parent class B01, the largest sibling subclass is B01D with 43,096 grants. Explore B01D

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

Methodology - B01F figures are USPTO PatentsView granted-utility totals for this subclass (8,785 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.