Where does Dongguan Lianrun Lighting Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Dongguan Lianrun Lighting Co., Ltd. ranks #31,435 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 Dongguan Lianrun Lighting Co., Ltd. hold?

Dongguan Lianrun Lighting Co., Ltd. holds 8 US utility patents granted between 2020 and 2025, spanning 3 technology areas.

What is Dongguan Lianrun Lighting Co., Ltd.'s Innovation Score?

Dongguan Lianrun Lighting Co., Ltd. has an Innovation Score of 26.2 out of 100 (20th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Dongguan Lianrun Lighting Co., Ltd.'s patent grant rate increasing or decreasing?

Insufficient historical data is available to calculate a velocity trend for Dongguan Lianrun Lighting Co., Ltd..

What does claim depth mean for Dongguan Lianrun Lighting Co., Ltd.'s patents?

Dongguan Lianrun Lighting Co., Ltd.'s patents average 4.1 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 Dongguan Lianrun Lighting 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

Dongguan Lianrun Lighting Co., Ltd.

Q: What technology areas does Dongguan Lianrun Lighting Co., Ltd. focus on?

Dongguan Lianrun Lighting Co., Ltd.'s top technology area is F21S (Non-portable Lighting DEVICES; Systems THEREOF; Vehicle Lighting Devices Specially Adapted FOR Vehicle Exteriors) with 3 patents, ranking #428 of 1,094 assignees active in that subclass. Grants appear in 3 CPC subclasses total.

USPTO PatentsView assignee record - 8 granted patents across 3 technology areas, recorded in grant years 2020–2025. 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: F21S (Non-portable Lighting DEVICES; Systems THEREOF; Vehicle Lighting Devices Specially Adapted FOR Vehicle Exteriors).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Dongguan ranks #31,435 of 49,997 tracked US assignees by granted-patent volume, with 8 patents across 3 technology areas.

#31,435
of 49,997 US assignees by volume: 20th percentile
by Innovation Score (26.2/100): 4.1
avg claims per patent

USPTO PatentsView assignee plate

Corpus R31435 · Foreign Corporation #31,435 · 8 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-SPARSE · TYPE-FRNCORP · SPAN-YRS · BOOK-RICH

GRANTS-MICRO 8 grants
MID-PACK #31,435/49,997
PHOTO-FINISH Dolphin Fluidics S R L
CPC-NARROW F21S · 3 areas
INNOV-THIN 26.2/100
CLAIMS-SPARSE 4.1 claims/avg
TYPE-FRNCORP Foreign Corp
SPAN-YRS 2020–2025 · 6y
BOOK-RICH 9/10 fields

Nearest grant-volume peer: Dolphin Fluidics S.R.L. (±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 Dongguan’s 26.2 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 7.6 pts (29%) Velocity 10.0 pts (38%) Breadth 6.1 pts (23%) Claim depth 2.5 pts (10%)

Qualcomm Incorporated · highest

85
Dongguan Lianrun… · this assignee

26
3D Lighting… · lowest

7

What this shows Dongguan's Innovation Score is 26.2/100 (20th 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 Dongguan?

Each dot is one of Dongguan’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). Dongguan’s own 4.1 claims/patent is at or below the 12.3 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Dongguan's grants concentrate

Dongguan Lianrun Lighting Co., Ltd. is a focused PatentsView assignee: 3 CPC subclasses with 37.5% of grants classified under F21S (Non-portable Lighting DEVICES; Systems THEREOF; Vehicle Lighting Devices Specially Adapted FOR Vehicle Exteriors). Peak complete grant year is 2024 (2 grants) versus a trough of 1 in 2020. By volume, Dongguan sits between Dolphin Fluidics S.R.L. and Dragonfruit AI, Inc.

Dongguan's three-year grant acceleration

Dongguan Lianrun Lighting Co., Ltd. shows 3 grants in 2022–2024 against only 2 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.

Dolphin Fluidics…

8
Dominion Engineer…

8
Dong Yang Piston

8
Dongguan Hongyu P…

8
Douxmatok

8
DOW Brasil Sudest…

8
Dowooinsys

8
Dragonfruit AI

8
Dongguan Lianrun… ◀

8

What this shows Dongguan holds 8 patents at rank #31,403, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Dongguan

By rank, the assignees closest to #31,403 in granted patent volume.

Leaders in F21S (Non-portable Lighting Devices)

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

Dongguan's Innovation Score vs. every tracked assignee

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

26 20th percentile higher than 20% 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 · 2020–2025

Grants by year

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

View data table

Dongguan Lianrun Lighting Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2020	1	12.5%
2021	1	12.5%
2023	1	12.5%
2024	2	25.0%
2025partial year	3	37.5%

Which technologies does Dongguan Lianrun Lighting Co., Ltd. patent most?

F21S - Non-portable Lighting DEVICES; Systems THEREOF; Vehicle Lighting Devices Specially Adapted FOR Vehicle Exteriors 3

F21V - Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR 3

F21W - Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO Uses OR Applications OF Lighting Devices OR Systems 1

Top 3 of 3 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

Dongguan Lianrun Lighting Co., Ltd.'s patent record in context - here's where to go next.

Dongguan Lianrun Lighting Co., Ltd.'s lead technology class is F21S (Non-portable Lighting DEVICES; Systems THEREOF; Vehicle Lighting Devices Specially Adapted FOR Vehicle Exteriors), 37.5% of its portfolio - see every assignee active in that class. Explore F21S
Ranked #31,435 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Dongguan Lianrun Lighting Co., Ltd. against Dolphin Fluidics S.R.L., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 26.2/100 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.