CPC technology class · C11

C11B - Producing

Producing, e.g. by pressing raw materials or by extraction from waste materials, refining or preserving fats, fatty substances, e.g. lanolin, fatty oils or waxes; essential oils; perfumes. 2,242 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

Compiled by PlainPatent · May 15, 2026

2,242
US patents granted: #2/3
in C11: 22.7%
C11 class share: -30%
5-yr velocity

The verdict

According to USPTO PatentsView, Producing ranks #358 of 670 CPC technology areas - 2,242 US patents granted since 2015, with recorded grant volume down 30% over five years.

#358
of 670 CPC technology areas: 2,242
US patents granted, 2015–2025: Firmenich
leading assignee (126): -30%
grant velocity, last 5 yrs

How C11B's grant cadence moved

Between 2020–2024, C11B recorded 818 grants versus 1,171 in 2015–2019 (-30% equal-window velocity). Across complete years, output peaked in 2015 at 304 grants and bottomed in 2023 at 135 (+125% peak-over-trough). Lead assignee Firmenich SA holds 5.6% of the class ; the top three share 12.4%.

Leaderboard read

C11B concentration, lead at 5.6%

Firmenich SA leads this historical grant record at 5.6% of C11B - foreign corporation assignees hold 50% of class grants (668 of 1,331). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share: 5.6%
Top three share: 12.4%
Lead over #2: 47

Where C11B sits inside C11

Among 3 subclasses in C11 (Animal OR Vegetable Oils, Fats, Fatty Substances OR WAXES; Fatty Acids THEREFROM; DETERGENTS; Candles), C11B ranks #2 and holds 22.7% of the parent class's 9,860 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

C11D 6,504 C11C 1,114

Rising assignees active in C11B

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 S H Kelkar & Company Limited 3.00x 1 → 3 company-wide · 6 in C11B
#2 Rrip, LLC 3.00x 0 → 3 company-wide · 5 in C11B
#3 Scientific Holdings, LLC 2.75x 4 → 11 company-wide · 5 in C11B
#4 Gene Pool Technologies, Inc. 2.50x 2 → 5 company-wide · 9 in C11B
#5 The Nisshin OilliO Group, Ltd. 2.20x 5 → 11 company-wide · 12 in C11B

C11B grants by year, peak 2015 (304)

US utility-patent grants per year in C11B, 2015–2025 - recent five years are down 30% versus 2015–2019.

Firmenich

126
Givaudan

79
Monsanto Technology

74
International Flavors…

63
Cargill Incorporated

58
Commonwealth…

49
Symrise

46
Takasago International

38
Elevance Renewable…

26
Novozymes A/S

25
Nippon Suisan Kaisha

23
Poet Research

22

What this shows Firmenich is the most active filer in C11B, holding 126 of the 2,242 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 C11B
Rank	Company	Patents in C11B
#1	Firmenich SA	126
#2	Givaudan SA	79
#3	Monsanto Technology LLC	74
#4	International Flavors & Fragrances Inc.	63
#5	Cargill, Incorporated	58
#6	Commonwealth Scientific AND Industrial Research Organisation	49
#7	Symrise AG	46
#8	Takasago International Corporation	38
#9	Elevance Renewable Sciences, Inc.	26
#10	Novozymes A/S	25
#11	Nippon Suisan Kaisha, Ltd	23
#12	Poet Research, Inc.	22
#13	Grains Research AND Development Corporation	22
#14	Aker Biomarine Antarctic AS	22
#15	Neste OYJ	20
#16	Nuseed Pty Ltd	18
#17	Upm-kymmene Corporation	13
#18	Arisdyne Systems, Inc.	13
#19	Basf Pharma (Callanish) Limited	13
#20	MS Technologies	12

Footprint here vs. claim strategy

Each dot is a leading C11B 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 C11B assignees by class footprint. Bubble size = patents in C11B. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near C11B's 2,242-grant footprint

Nationwide nearest neighbors for C11B (#358 of 670 by volume ; lead share 5.6%) - not the C11 parent-class siblings above.

Nearest by grant volume

F03G 2,252 B03C 2,224 C40B 2,284 B07C 2,293

Nearest by lead-assignee share

A21D 5.6% H03D 5.6% C10B 5.6% H03G 5.6%

Questions about C11B

Which company holds the most patents in C11B?

Firmenich SA leads C11B with 126 patents (5.6% of the subclass). By PatentsView assignee type, foreign corporations account for 50% of class grants.

Which C11B assignees grew fastest recently?

Among assignees with ≥5 grants in C11B, S H Kelkar & Company Limited shows the highest company-wide grant multiple (3.00x: 1 grants in 2019–2021 → 3 in 2022–2024) while holding 6 patents in this subclass. Growth is company-wide, not class-only.

How does C11B compare inside parent class C11?

Inside C11 (Animal OR Vegetable Oils, Fats, Fatty Substances OR WAXES; Fatty Acids THEREFROM; DETERGENTS; Candles), C11B ranks #2 of 3 subclasses by grant volume and holds 22.7% of the parent class total. The largest sibling is C11D (6,504 grants).

What to do with this data

C11B in context - here's where to go next.

Firmenich SA leads C11B with 126 grants in this class. See full portfolio
C11B ranks #358 of 670 by grant volume among all tracked CPC technology areas. See the ranking
Inside parent class C11, the largest sibling subclass is C11D with 6,504 grants. Explore C11D

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

Methodology - C11B figures are USPTO PatentsView granted-utility totals for this subclass (2,242 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.