Where does Dong Guan Song WEI Electric Technology Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Dong Guan Song WEI Electric Technology Co., Ltd. ranks #9,243 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 Dong Guan Song WEI Electric Technology Co., Ltd. hold?

Dong Guan Song WEI Electric Technology Co., Ltd. holds 34 US utility patents granted between 2015 and 2022, spanning 25 technology areas.

What is Dong Guan Song WEI Electric Technology Co., Ltd.'s Innovation Score?

Dong Guan Song WEI Electric Technology Co., Ltd. has an Innovation Score of 33.6 out of 100 (45th 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 Dong Guan Song WEI Electric Technology Co., Ltd. focus on?

Dong Guan Song WEI Electric Technology Co., Ltd.'s top technology area is A47B (TABLES; DESKS; Office FURNITURE; CABINETS; DRAWERS; General Details OF Furniture) with 11 patents, ranking #64 of 990 assignees active in that subclass. Grants appear in 25 CPC subclasses total.

Is Dong Guan Song WEI Electric Technology Co., Ltd.'s patent grant rate increasing or decreasing?

Dong Guan Song WEI Electric Technology Co., Ltd.'s recent grant velocity is -11% 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 Dong Guan Song WEI Electric Technology Co., Ltd.'s patents?

Dong Guan Song WEI Electric Technology Co., Ltd.'s patents average 5.6 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.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Dong Guan Song WEI Electric Technology Co., Ltd.

Q: How is the Dong Guan Song WEI Electric Technology 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 PatentsView assignee record - 34 granted patents across 25 technology areas, recorded in grant years 2015–2022. 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: A47B (TABLES; DESKS; Office FURNITURE; CABINETS; DRAWERS; General Details OF Furniture).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Dong ranks #9,243 of 49,997 tracked US assignees by granted-patent volume, with 34 patents across 25 technology areas.

#9,243
of 49,997 US assignees by volume: 45th percentile
by Innovation Score (33.6/100): 5.6
avg claims per patent: -11%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R9243 · Foreign Corporation #9,243 · 34 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-DOWN · BOOK-FULL

GRANTS-SMALL 34 grants
UPPER-Q #9,243/49,997
PHOTO-FINISH Cornerstone…
CPC-FOCUS A47B · 25 areas
INNOV-THIN 33.6/100
CLAIMS-SPARSE 5.6 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -11% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Cornerstone Research Group, Inc. (±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 Dong’s 33.6 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 12.3 pts (36%) Velocity 0.3 pts (1%) Breadth 17.7 pts (53%) Claim depth 3.4 pts (10%)

Qualcomm Incorporated · highest

85
Critical Care… · near

34
Dong Guan Song WEI… · this assignee

34
GrandiOs · near

34
THE Sure Chill · near

34
WEG Equipamentos… · near

34
3D Lighting… · lowest

7

What this shows Dong's Innovation Score is 33.6/100 (45th 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 Dong?

Each dot is one of Dong’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). Dong’s own 5.6 claims/patent is at or below the 17.9 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Dong's grants concentrate

Dong Guan Song WEI Electric Technology Co., Ltd. is a focused PatentsView assignee: 25 CPC subclasses with 32.4% of grants classified under A47B (TABLES; DESKS; Office FURNITURE; CABINETS; DRAWERS; General Details OF Furniture). Peak complete grant year is 2020 (12 grants) versus a trough of 1 in 2015. By volume, Dong sits between Cornerstone Research Group, Inc. and E.F. Johnson Company.

Dong's three-year grant acceleration

From 2019–2021 to 2022–2024, Dong Guan Song WEI Electric Technology Co., Ltd. moved from 21 to 1 grants (0.05x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

Cornerstone Resea…

34
Covaris

34
Daikyo Seiko

34
Deckel Maho Pfron…

34
Dublin City Unive…

34
Datainfocom USA

34
Dongguan Hongyu P…

34
E F Johnson

34
Dong Guan Song WE… ◀

34

What this shows Dong holds 34 patents at rank #9,242, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Dong

By rank, the assignees closest to #9,242 in granted patent volume.

Leaders in A47B (Tables)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Dong, neither rank-band nor same-CPC leaders (those blocks stay above). In A47B (Tables), Dong ranks #64 of 990 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (34 here).

GrandiOs Technologies, LLC 34 WEG Equipamentos Elétricos S.A. 34 THE Sure Chill Company Limited 34 Critical Care Diagnostics, Inc. 34

Dong's Innovation Score vs. every tracked assignee

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

34 45th percentile higher than 45% 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 · 2015–2022

Grants by year

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

View data table

Dong Guan Song WEI Electric Technology Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	2.9%
2016	3	8.8%
2017	4	11.8%
2018	4	11.8%
2019	6	17.6%
2020	12	35.3%
2021	3	8.8%
2022	1	2.9%

Which technologies does Dong Guan Song WEI Electric Technology Co., Ltd. patent most?

A47B - TABLES; DESKS; Office FURNITURE; CABINETS; DRAWERS; General Details OF Furniture 11

F24C - Domestic Stoves OR Ranges ; Details OF Domestic Stoves OR Ranges, OF General Application 6

F24B - Domestic Stoves OR Ranges FOR Solid Fuels ; Implements FOR USE IN Connection With Stoves OR Ranges 4

H01R - Electrically-conductive CONNECTIONS; Structural Associations OF A Plurality OF Mutually-insulated Electrical Connecting ELEMENTS; Coupling DEVICES; Current Collectors 3

F24F - AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR Currents FOR Screening 3

A61L - Methods OR Apparatus FOR Sterilising Materials OR Objects IN GENERAL; Disinfection, Sterilisation OR Deodorisation OF AIR; Chemical Aspects OF Bandages, Dressings, Absorbent Pads OR Surgical ARTICLES; Materials FOR Bandages, Dressings, Absorbent Pads OR Surgical Articles 2

G06F - Electric Digital Data Processing 2

F21S - Non-portable Lighting DEVICES; Systems THEREOF; Vehicle Lighting Devices Specially Adapted FOR Vehicle Exteriors 2

F24D - Domestic- OR Space-heating Systems, e.g. Central Heating SYSTEMS; Domestic Hot-water Supply SYSTEMS; Elements OR Components Therefor 2

E06B - Fixed OR Movable Closures FOR Openings IN Buildings, Vehicles, Fences OR Like Enclosures IN General, e.g. Doors, Windows, Blinds, Gates 2

B05B - Spraying APPARATUS; Atomising APPARATUS; Nozzles 1

H03K - Pulse Technique 1

G05B - Control OR Regulating Systems IN GENERAL; Functional Elements OF Such SYSTEMS; Monitoring OR Testing Arrangements FOR Such Systems OR Elements 1

F16H - Gearing 1

G01P - Measuring Linear OR Angular Speed, Acceleration, Deceleration, OR SHOCK; Indicating Presence, Absence, OR Direction, OF Movement 1

Top 15 of 25 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

Dong Guan Song WEI Electric Technology Co., Ltd.'s patent record in context - here's where to go next.

Dong Guan Song WEI Electric Technology Co., Ltd.'s lead technology class is A47B (TABLES; DESKS; Office FURNITURE; CABINETS; DRAWERS; General Details OF Furniture), 32.4% of its portfolio - see every assignee active in that class. Explore A47B
Ranked #9,243 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Dong Guan Song WEI Electric Technology Co., Ltd. against Cornerstone Research Group, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 33.6/100 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.