CPC technology class · C05

C05G - Mixtures OF Fertilisers Covered Individually BY Different…

Mixtures of fertilisers covered individually by different subclasses of class c05; mixtures of one or more fertilisers with materials not having a specific fertilising activity, e.g. pesticides, soil-conditioners, wetting agents ; fertilisers characterised by their form. 1,232 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

Compiled byPlainPatent Editorial, US Patent Intelligence Editorial Team · May 15, 2026

1,232
US patents granted: C05
Parent CPC class: 20
Active assignees: +31%
5-yr velocity

The verdict

Mixtures OF Fertilisers Covered Individually BY Different… ranks #431 of 670 CPC technology areas - 1,232 US patents granted since 2015, with filing up 31% over five years.

#431
of 670 CPC technology areas: 1,232
US patents granted, 2015–2025: Koch Agronomic Servic…
leading assignee (34): +31%
filing velocity, last 5 yrs

Top assignee: KOCH Agronomic Services, Llc (34 patents)

CPC subclass C05G - MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS ; FERTILISERS CHARACTERISED BY THEIR FORM - covers 1,232 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class C05 (FERTILISERS; MANUFACTURE THEREOF). See our CPC classification guide for how the system works.

The competitive landscape in C05G is shaped by 20 distinct companies actively filing in this space. KOCH Agronomic Services, Llc leads with 34 patents, followed by Cool Planet Energy System, Inc. at 24 grants and YARA International ASA at 22.

Filing activity in C05G is up 31% 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 C05G innovation accelerating?

US utility-patent grants per year in C05G, 2015–2025 - recent five years are up 31% versus 2015–2019.

Koch Agronomic Servic…

34
Cool Planet Energy Sy…

24
Yara International Asa

22
The Mosaic

21
Soilgenic

21
Verdesian Life Scienc…

17
Carbon Technology Hol…

16
Dow Agrosciences

13
Oms Investments

13
The Andersons

11
Profile Products L L C

10
Fmc

8

What this shows Koch Agronomic Servic… is the most active filer in C05G, holding 34 of the 1,232 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 C05G
Rank	Company	Patents in C05G
#1	KOCH Agronomic Services, Llc	34
#2	Cool Planet Energy System, Inc.	24
#3	YARA International ASA	22
#4	The Mosaic Company	21
#5	Soilgenic Technologies, Llc	21
#6	Verdesian Life Sciences U.s., Llc	17
#7	Carbon Technology Holdings, Llc	16
#8	DOW Agrosciences Llc	13
#9	OMS Investments, Inc.	13
#10	The Andersons Inc.	11
#11	Profile Products L.l.c.	10
#12	FMC Corporation	8
#13	Winfield Solutions, Llc	8
#14	Earth Science Laboratories, Inc.	8
#15	Sabic Agri-nutrients Company	8
#16	YORK Potash Ltd	8
#17	Bayer Cropscience Aktiengesellschaft	7
#18	Stamicarbon B.v.	6
#19	North University OF China	6
#20	Specialty Granules Investments Llc	6

About This Class

CPC subclass C05G belongs to class C05.

1,232 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 C05G 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 C05G assignees by class footprint. Bubble size = patents in C05G. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class C05G?

CPC subclass C05G covers MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS ; FERTILISERS CHARACTERISED BY THEIR FORM. It belongs to CPC class C05 (FERTILISERS; MANUFACTURE THEREOF), with 1,232 US utility patents granted since 2015.

How many patents have been filed in C05G?

1,232 US utility patents were granted in CPC subclass C05G between 2015 and 2025, based on USPTO PatentsView data.

Which company holds the most patents in C05G?

KOCH Agronomic Services, Llc leads C05G with 34 patents, making it the most active assignee in this technology area.

How is patent data for C05G 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., C05) is a broad technology category. Subclasses like C05G 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.