Where does Chervon (HK) Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Chervon (HK) Limited ranks #2,802 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does Chervon (HK) Limited hold?

Chervon (HK) Limited holds 137 US utility patents granted between 2015 and 2025, spanning 48 technology areas.

What is Chervon (HK) Limited's Innovation Score?

Chervon (HK) Limited has an Innovation Score of 51.2 out of 100 (top 12% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Chervon (HK) Limited focus on?

Chervon (HK) Limited's top technology area is A01D (HARVESTING; Mowing) with 36 patents, ranking #19 of 302 assignees active in that subclass. Grants appear in 48 CPC subclasses total.

Is Chervon (HK) Limited's patent grant rate increasing or decreasing?

Chervon (HK) Limited's recent grant velocity is -81% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

What does claim depth mean for Chervon (HK) Limited's patents?

Chervon (HK) Limited's patents average 13.1 claims each. This is an aggregate descriptive count from the grant record; it does not establish claim scope, legal strength, enforceability, or design-around risk.

How is the Chervon (HK) Limited patent data sourced?

All patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office covering US granted utility patents from 2015 to 2025.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Chervon (HK) Limited

USPTO PatentsView assignee record - 137 granted patents across 48 technology areas, recorded in grant years 2015–2025. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength. Primary class: A01D (HARVESTING; Mowing).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Chervon ranks #2,802 of 49,997 tracked US assignees by granted-patent volume, with 137 patents across 48 technology areas.

#2,802
of 49,997 US assignees by volume: Top 12%
by Innovation Score (51.2/100): 13.1
avg claims per patent: -81%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R2802 · Foreign Corporation #2,802 · 137 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-PAR · CLAIMS-RICH · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MID 137 grants
TOP-DECILE #2,802/49,997
PHOTO-FINISH Federal-Mogul
CPC-WIDE A01D · 48 areas
INNOV-PAR 51.2/100
CLAIMS-RICH 13.1 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -81% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Federal-Mogul LLC (±0 grants)

Instrument codes from this assignee’s USPTO PatentsView grant sheet: volume band, corpus rank, photo-finish peer, lead CPC, Innovation Score, claim depth, assignee type, velocity, and book completeness. Not a USPTO rating of patent strength.

How Chervon’s 51.2 Innovation Score adds up

The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.

Volume 17.0 pts (33%) Velocity 1.8 pts (4%) Breadth 24.5 pts (48%) Claim depth 7.8 pts (15%)

Qualcomm Incorporated · highest

85
Chervon (HK) · this assignee

51
Labrador Diagnostics · near

51
Nicira · near

51
Regalo International · near

51
Umm-Al-Qura University · near

51
3D Lighting… · lowest

7

What this shows Chervon's Innovation Score is 51.2/100 (top 12% of the PatentsView-derived corpus). The chart places that score against the nearest Innovation Score peers plus corpus poles, not a reprint of the volume ranking.

Does more volume mean deeper claims for Chervon?

Each dot is one of Chervon’s 8 nearest volume peers (same corpus rank neighbourhood as the chart above), placed by total granted patents (horizontal) against average claims per patent (vertical). Chervon’s own 13.1 claims/patent is at or below the 13.8 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

Chervon vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where Chervon's grants concentrate

Chervon (HK) Limited is a focused PatentsView assignee: 48 CPC subclasses with 26.3% of grants classified under A01D (HARVESTING; Mowing). Peak complete grant year is 2018 (30 grants) versus a trough of 2 in 2023. By volume, Chervon sits between Sandvik Mining and Construction Oy and Hong ANN Tool Industries Co., Ltd..

Chervon's three-year grant acceleration

From 2019–2021 to 2022–2024, Chervon (HK) Limited moved from 37 to 10 grants (0.27x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #3,027. See the growth leaderboard.

Sandvik Mining an…

138
Umicore

138
Visa U

138
Young Optics

138
Federal-mogul

137
GKN Automotive

137
HI

137
Hong ANN Tool Ind…

137
Chervon (HK) ◀

137

What this shows Chervon holds 137 patents at rank #2,802, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Chervon

By rank, the assignees closest to #2,802 in granted patent volume.

Leaders in A01D (Harvesting)

Other assignees with the most granted patents in Chervon's primary technology class.

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Chervon, neither rank-band nor same-CPC leaders (those blocks stay above). In A01D (Harvesting), Chervon ranks #19 of 302 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (51 here).

Regalo International, LLC 51 Labrador Diagnostics LLC 51 Umm-Al-Qura University 51 Nicira, Inc. 51

Similar claim depth

Nearest assignees by average claims per patent (13.1 here).

Jungheinrich AG 13.1 avg Flender GmbH 13.1 avg Valeo Schalter UND Sensoren GMBH 13.1 avg Maui Imaging, Inc. 13.1 avg

Chervon's Innovation Score vs. every tracked assignee

Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)

51 Top 12% higher than 88% of 49,997 US assignees

Each bar is a band; taller bars hold more US assignees. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source USPTO PatentsView, PlainPatent Innovation Score · 2015–2025

USPTO utility patent grants by year · 2015–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Chervon (HK) Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	28	20.4%
2016	9	6.6%
2017	22	16.1%
2018	30	21.9%
2019	25	18.2%
2020	7	5.1%
2021	5	3.6%
2022	5	3.6%
2023	2	1.5%
2024	3	2.2%
2025partial year	1	0.7%

Which technologies does Chervon (HK) Limited patent most?

A01D - HARVESTING; Mowing 36

B25F - Combination OR Multi-purpose Tools NOT Otherwise Provided FOR; Details OR Components OF Portable Power-driven Tools NOT Particularly Related TO THE Operations Performed AND NOT Otherwise Provided FOR 34

B25B - Tools OR Bench Devices NOT Otherwise Provided FOR, FOR Fastening, Connecting, Disengaging OR Holding 26

Y10T - Technical Subjects Covered BY Former US Classification 16

A01G - HORTICULTURE; Cultivation OF Vegetables, Flowers, Rice, Fruit, Vines, Hops OR SEAWEED; FORESTRY; Watering 16

B27B - Saws FOR Wood OR Similar MATERIAL; Components OR Accessories Therefor 15

H02J - Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy 14

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 13

E01H - Street CLEANING; Cleaning OF Permanent WAYS; Cleaning BEACHES; Dispersing ; OR PREVENTING; FOG IN General ; Cleaning Street OR Railway Furniture OR Tunnel Walls 12

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 11

B23D - PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; Like Operations FOR Working Metal BY Removing Material, NOT Otherwise Provided FOR 10

F04D - Non-positive-displacement Pumps 7

G01R - Measuring Electric VARIABLES; Measuring Magnetic Variables 7

A47L - Domestic Washing OR Cleaning ; Suction Cleaners IN General 7

B24B - Machines, Devices, OR Processes FOR Grinding OR Polishing ; Dressing OR Conditioning OF Abrading SURFACES; Feeding OF Grinding, Polishing, OR Lapping Agents 6

Top 15 of 48 technology areas

More on this record

Data Source

USPTO PatentsView, US granted patents 2015–2025

View all rankings → How is Innovation Score calculated?

What to do with this data

Chervon (HK) Limited's patent record in context - here's where to go next.

Chervon (HK) Limited's lead technology class is A01D (HARVESTING; Mowing), 26.3% of its portfolio - see every assignee active in that class. Explore A01D
Ranked #2,802 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Chervon (HK) Limited against Sandvik Mining and Construction Oy, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 51.2/100 blends volume, velocity, technology breadth, and claim depth. How it's calculated

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

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the USPTO PatentsView database. Consult a qualified professional before making decisions based on this data.

Read our methodology - how this data is sourced, computed, and verified.

Data sources used on this page

USPTO PatentsView - the disambiguated bulk patent-grant, assignee, and CPC data this page's figures are derived from. patentsview.org
Cooperative Patent Classification (CPC) - the joint USPTO/EPO classification scheme used to group patents by technology area. cooperativepatentclassification.org
USPTO Patent Public Search - the official interface to verify the status of any individual patent. ppubs.uspto.gov

Compiled by PlainPatent , US Patent Intelligence Editorial Process · May 15, 2026

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. Data current as of May 2026.