Where does Guangdong Huanengda Electrical Appliances Co., Ltd rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Guangdong Huanengda Electrical Appliances Co., Ltd ranks #5,442 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 Guangdong Huanengda Electrical Appliances Co., Ltd hold?

Guangdong Huanengda Electrical Appliances Co., Ltd holds 63 US utility patents granted between 2019 and 2025, spanning 0 technology areas.

What is Guangdong Huanengda Electrical Appliances Co., Ltd's Innovation Score?

Guangdong Huanengda Electrical Appliances Co., Ltd has an Innovation Score of 18.3 out of 100 (5th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Guangdong Huanengda Electrical Appliances Co., Ltd focus on?

Guangdong Huanengda Electrical Appliances Co., Ltd holds grants across 0 technology areas classified under the Cooperative Patent Classification system.

Is Guangdong Huanengda Electrical Appliances Co., Ltd's patent grant rate increasing or decreasing?

Guangdong Huanengda Electrical Appliances Co., Ltd's recent grant velocity is +5800% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Guangdong Huanengda Electrical Appliances Co., Ltd's patents?

Guangdong Huanengda Electrical Appliances Co., Ltd's patents average 1.0 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 Guangdong Huanengda Electrical Appliances Co., Ltd 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

Guangdong Huanengda Electrical Appliances Co., Ltd

USPTO PatentsView assignee record - 63 granted patents across 0 technology areas, recorded in grant years 2019–2025. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength.

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Guangdong ranks #5,442 of 49,997 tracked US assignees by granted-patent volume, with 63 patents across 0 technology areas.

#5,442
of 49,997 US assignees by volume: 5th percentile
by Innovation Score (18.3/100): 1.0
avg claims per patent: +5800%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R5442 · Foreign Corporation #5,442 · 63 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-UNK · INNOV-LOW · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-SURGE · BOOK-RICH

GRANTS-SMALL 63 grants
UPPER-Q #5,442/49,997
PHOTO-FINISH Exergyn
CPC-UNK CPC blank
INNOV-LOW 18.3/100
CLAIMS-SPARSE 1.0 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +5800% vel
BOOK-RICH 9/10 fields

Nearest grant-volume peer: Exergyn, Ltd. (±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 Guangdong’s 18.3 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 14.4 pts (79%) Velocity 3.3 pts (18%) Breadth 0.0 pts (0%) Claim depth 0.6 pts (3%)

Qualcomm Incorporated · highest

85
J & R Household · near

18
Eden Collection B V · near

18
Guangdong Huanengda… · this assignee

18
Geovision · near

18
Ningbo Lianda Winch · near

18
3D Lighting… · lowest

7

What this shows Guangdong's Innovation Score is 18.3/100 (5th percentile 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 Guangdong?

Each dot is one of Guangdong’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). Guangdong’s own 1.0 claims/patent is at or below the 14.8 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Guangdong's grants concentrate

Guangdong Huanengda Electrical Appliances Co., Ltd is a focused PatentsView assignee: 0 CPC subclasses . Peak complete grant year is 2021 (27 grants) versus a trough of 1 in 2019. By volume, Guangdong sits between Exergyn, Ltd. and Infinitus (CHINA) Company Ltd..

Guangdong's three-year grant acceleration

From 2019–2021 to 2022–2024, Guangdong Huanengda Electrical Appliances Co., Ltd moved from 40 to 20 grants (0.50x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

Exergyn

63
Flosfia

63
First Dome

63
Globalfoundries U…

63
Go!Foton

63
Hanwha Chemical

63
Hexagon Metrology

63
Infinitus (China)

63
Guangdong Huaneng… ◀

63

What this shows Guangdong holds 63 patents at rank #5,441, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Guangdong

By rank, the assignees closest to #5,441 in granted patent volume.

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Guangdong, neither rank-band nor same-CPC leaders (those blocks stay above).

Similar innovation score

Nearest assignees by Innovation Score (18 here).

Eden Collection B.V. 18 Geovision Co., Ltd. 18 J & R Household Co., Ltd. 18 Ningbo Lianda Winch Co., Ltd. 18

Similar claim depth

Nearest assignees by average claims per patent (1.0 here).

Shenzhen Zhengtu Auto Accessories Co., Ltd. 1.0 avg Nokian Tyres plc 1.0 avg Rolex Watch U.S.A., Inc. 1.0 avg Garden Genetics LLC 1.0 avg

Guangdong's Innovation Score vs. every tracked assignee

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

18 5th percentile higher than 5% 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 · 2019–2025

Grants by year

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

View data table

Guangdong Huanengda Electrical Appliances Co., Ltd patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2019	1	1.6%
2020	12	19.0%
2021	27	42.9%
2022	15	23.8%
2023	2	3.2%
2024	3	4.8%
2025partial year	3	4.8%

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

Guangdong Huanengda Electrical Appliances Co., Ltd's patent record in context - here's where to go next.

Ranked #5,442 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Guangdong Huanengda Electrical Appliances Co., Ltd against Exergyn, Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 18.3/100 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.