CPC technology class · A01

A01D - Harvesting

Harvesting; mowing. 5,886 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

Compiled by PlainPatent · May 15, 2026

5,886
US patents granted: #5/12
in A01: 9.3%
A01 class share: +32%
5-yr velocity

The verdict

According to USPTO PatentsView, Harvesting ranks #238 of 670 CPC technology areas - 5,886 US patents granted since 2015, with recorded grant volume up 32% over five years.

#238
of 670 CPC technology areas: 5,886
US patents granted, 2015–2025: Deere &
leading assignee (939): +32%
grant velocity, last 5 yrs

How A01D's grant cadence moved

Between 2020–2024, A01D recorded 2,984 grants versus 2,263 in 2015–2019 (+32% equal-window velocity). Across complete years, output peaked in 2024 at 630 grants and bottomed in 2015 at 306 (+106% peak-over-trough). Lead assignee Deere & Company holds 16.0% of the class ; the top three share 34.5%.

Leaderboard read

A01D concentration, lead at 16.0%

Deere & Company leads this historical grant record at 16.0% of A01D - us corporation assignees hold 65% of class grants (3,046 of 4,705). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share: 16.0%
Top three share: 34.5%
Lead over #2: 65

Where A01D sits inside A01

Among 12 subclasses in A01 (AGRICULTURE; FORESTRY; Animal HUSBANDRY; HUNTING; TRAPPING; Fishing), A01D ranks #5 and holds 9.3% of the parent class's 63,372 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

A01N 13,786 A01H 12,482 A01K 10,071 A01G 6,293 A01B 4,498 A01C 3,761 A01M 3,032 A01F 1,791

Rising assignees active in A01D

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 Mineral Earth Sciences LLC 28x 0 → 28 company-wide · 6 in A01D
#2 Verdant Robotics, Inc. 24x 1 → 24 company-wide · 5 in A01D
#3 Calmer Holding Company, LLC 13x 0 → 13 company-wide · 16 in A01D
#4 Grimme Landmaschinenfabrik GmbH & Co. KG 10x 1 → 10 company-wide · 20 in A01D
#5 Renu Robotics Corp. 8.00x 0 → 8 company-wide · 9 in A01D

A01D grants by year, peak 2024 (630)

US utility-patent grants per year in A01D, 2015–2025 - recent five years are up 32% versus 2015–2019.

Deere &

939
Cnh Industrial America

874
Kubota

219
Husqvarna Ab

212
Claas Selbstfahrende…

118
Agco

102
Briggs & Stratton

95
Mtd Products

81
Hydro-gear Partnership

80
Nanjing Chervon…

77
The Toro

76
Andreas Stihl & Kg

66

What this shows Deere & is the most active filer in A01D, holding 939 of the 5,886 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 A01D
Rank	Company	Patents in A01D
#1	Deere & Company	939
#2	CNH Industrial America LLC	874
#3	Kubota Corporation	219
#4	Husqvarna AB	212
#5	Claas Selbstfahrende Erntemaschinen GmbH	118
#6	Agco Corporation	102
#7	Briggs & Stratton, LLC	95
#8	MTD Products Inc	81
#9	Hydro-Gear Limited Partnership	80
#10	Nanjing Chervon Industry Co., Ltd.	77
#11	THE Toro Company	76
#12	Andreas Stihl AG & Co. KG	66
#13	MacDon Industries Ltd.	65
#14	Agco International GmbH	52
#15	Positec Power Tools (Suzhou) Co., Ltd.	48
#16	Globe (Jiangsu) Co., Ltd.	45
#17	Makita Corporation	43
#18	iRobot Corporation	42
#19	Chervon (HK) Limited	36
#20	Unverferth Manufacturing Co., Inc.	36

Footprint here vs. claim strategy

Each dot is a leading A01D 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 A01D assignees by class footprint. Bubble size = patents in A01D. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near A01D's 5,886-grant footprint

Nationwide nearest neighbors for A01D (#238 of 670 by volume ; lead share 16.0%) - not the A01 parent-class siblings above.

Nearest by grant volume

B23Q 5,906 H04H 5,838 A24F 5,971 C30B 5,993

Nearest by lead-assignee share

A01B 16.1% G09G 15.8% E03D 16.2% F01D 15.7%

Questions about A01D

Which company holds the most patents in A01D?

Deere & Company leads A01D with 939 patents (16.0% of the subclass). By PatentsView assignee type, us corporations account for 65% of class grants.

Which A01D assignees grew fastest recently?

Among assignees with ≥5 grants in A01D, Mineral Earth Sciences LLC shows the highest company-wide grant multiple (28x: 0 grants in 2019–2021 → 28 in 2022–2024) while holding 6 patents in this subclass. Growth is company-wide, not class-only.

How does A01D compare inside parent class A01?

Inside A01 (AGRICULTURE; FORESTRY; Animal HUSBANDRY; HUNTING; TRAPPING; Fishing), A01D ranks #5 of 12 subclasses by grant volume and holds 9.3% of the parent class total. The largest sibling is A01N (13,786 grants).

What to do with this data

A01D in context - here's where to go next.

Deere & Company leads A01D with 939 grants in this class. See full portfolio
A01D ranks #238 of 670 by grant volume among all tracked CPC technology areas. See the ranking
Inside parent class A01, the largest sibling subclass is A01N with 13,786 grants. Explore A01N

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

Methodology - A01D figures are USPTO PatentsView granted-utility totals for this subclass (5,886 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.