Where does Ningbo Well Electric Appliance Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Ningbo Well Electric Appliance Co., Ltd. ranks #6,369 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 Ningbo Well Electric Appliance Co., Ltd. hold?

Ningbo Well Electric Appliance Co., Ltd. holds 53 US utility patents granted between 2016 and 2025, spanning 6 technology areas.

What is Ningbo Well Electric Appliance Co., Ltd.'s Innovation Score?

Ningbo Well Electric Appliance Co., Ltd. has an Innovation Score of 27.0 out of 100 (22nd percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Ningbo Well Electric Appliance Co., Ltd.'s patent grant rate increasing or decreasing?

Ningbo Well Electric Appliance Co., Ltd.'s recent grant velocity is +167% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Ningbo Well Electric Appliance Co., Ltd.'s patents?

Ningbo Well Electric Appliance Co., Ltd.'s patents average 3.0 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 Ningbo Well Electric Appliance 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

Ningbo Well Electric Appliance Co., Ltd.

Q: What technology areas does Ningbo Well Electric Appliance Co., Ltd. focus on?

Ningbo Well Electric Appliance Co., Ltd.'s top technology area is H01R (Electrically-conductive CONNECTIONS; Structural Associations OF A Plurality OF Mutually-insulated Electrical Connecting ELEMENTS; Coupling DEVICES; Current Collectors) with 7 patents, ranking #424 of 2,265 assignees active in that subclass. Grants appear in 6 CPC subclasses total.

USPTO PatentsView assignee record - 53 granted patents across 6 technology areas, recorded in grant years 2016–2025. 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: H01R (Electrically-conductive CONNECTIONS; Structural Associations OF A Plurality OF Mutually-insulated Electrical Connecting ELEMENTS; Coupling DEVICES; Current Collectors).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Ningbo ranks #6,369 of 49,997 tracked US assignees by granted-patent volume, with 53 patents across 6 technology areas.

#6,369
of 49,997 US assignees by volume: 22nd percentile
by Innovation Score (27.0/100): 3.0
avg claims per patent: +167%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R6369 · Foreign Corporation #6,369 · 53 grants

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

GRANTS-SMALL 53 grants
UPPER-Q #6,369/49,997
PHOTO-FINISH Marrone Bio…
CPC-NARROW H01R · 6 areas
INNOV-THIN 27.0/100
CLAIMS-SPARSE 3.0 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +167% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Marrone Bio Innovations, 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 Ningbo’s 27.0 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 13.8 pts (51%) Velocity 2.8 pts (10%) Breadth 8.7 pts (32%) Claim depth 1.8 pts (7%)

Qualcomm Incorporated · highest

85
Jack Walters & Sons · near

27
Prothera Biologics · near

27
Ningbo Well… · this assignee

27
Shanghai Research… · near

27
University of Plymouth · near

27
3D Lighting… · lowest

7

What this shows Ningbo's Innovation Score is 27.0/100 (22nd 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 Ningbo?

Each dot is one of Ningbo’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). Ningbo’s own 3.0 claims/patent is at or below the 12.4 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Ningbo's grants concentrate

Ningbo Well Electric Appliance Co., Ltd. is a focused PatentsView assignee: 6 CPC subclasses with 13.2% of grants classified under H01R (Electrically-conductive CONNECTIONS; Structural Associations OF A Plurality OF Mutually-insulated Electrical Connecting ELEMENTS; Coupling DEVICES; Current Collectors). Peak complete grant year is 2021 (14 grants) versus a trough of 1 in 2016. By volume, Ningbo sits between Marrone Bio Innovations, Inc. and Outdoor Edge Cutlery, LLC.

Ningbo's three-year grant acceleration

From 2019–2021 to 2022–2024, Ningbo Well Electric Appliance Co., Ltd. moved from 26 to 11 grants (0.42x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

Marrone Bio Innov…

53
Maxlinear Asia Si…

53
Molecular Imprints

53
Newmax Technology

53
Navix Internation…

53
Nemera La Verpill…

53
New Balance Athle…

53
Outdoor Edge Cutl…

53
Ningbo Well Elect… ◀

53

What this shows Ningbo holds 53 patents at rank #6,364, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Ningbo

By rank, the assignees closest to #6,364 in granted patent volume.

Leaders in H01R (Electrically-conductive Connections)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Ningbo, neither rank-band nor same-CPC leaders (those blocks stay above). In H01R (Electrically-conductive Connections), Ningbo ranks #424 of 2,265 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (27 here).

Shanghai Research Center FOR Wireless Communications 27 University of Plymouth 27 Jack Walters & Sons, Corp. 27 Prothera Biologics, Inc. 27

Similar claim depth

Nearest assignees by average claims per patent (3.0 here).

Polestar Performance AB 2.9 avg Leapfrog Product Development LLC 2.9 avg Valqua, Ltd. 3.0 avg Aston Martin Lagonda Limited 3.0 avg

Ningbo's Innovation Score vs. every tracked assignee

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

27 22nd percentile higher than 22% 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 · 2016–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2016–2019 baseline. Full figures in the table below.

View data table

Ningbo Well Electric Appliance Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	1	1.9%
2018	6	11.3%
2019	5	9.4%
2020	7	13.2%
2021	14	26.4%
2022	5	9.4%
2023	5	9.4%
2024	1	1.9%
2025partial year	9	17.0%

Which technologies does Ningbo Well Electric Appliance Co., Ltd. patent most?

H01R - Electrically-conductive CONNECTIONS; Structural Associations OF A Plurality OF Mutually-insulated Electrical Connecting ELEMENTS; Coupling DEVICES; Current Collectors 7

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 2

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

F21Y - Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO THE Form OR THE Kind OF THE Light Sources OR OF THE Colour OF THE Light Emitted 2

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General 1

Top 6 of 6 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

Ningbo Well Electric Appliance Co., Ltd.'s patent record in context - here's where to go next.

Ningbo Well Electric Appliance Co., Ltd.'s lead technology class is H01R (Electrically-conductive CONNECTIONS; Structural Associations OF A Plurality OF Mutually-insulated Electrical Connecting ELEMENTS; Coupling DEVICES; Current Collectors), 13.2% of its portfolio - see every assignee active in that class. Explore H01R
Ranked #6,369 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Ningbo Well Electric Appliance Co., Ltd. against Marrone Bio Innovations, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 27.0/100 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.