Where does Xemc Darwind B.V. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Xemc Darwind B.V. ranks #33,929 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 Xemc Darwind B.V. hold?

Xemc Darwind B.V. holds 8 US utility patents granted between 2015 and 2018, spanning 16 technology areas.

What is Xemc Darwind B.V.'s Innovation Score?

Xemc Darwind B.V. has an Innovation Score of 31.1 out of 100 (37th 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 Xemc Darwind B.V. focus on?

Xemc Darwind B.V.'s top technology area is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution) with 8 patents, ranking #1,506 of 5,963 assignees active in that subclass. Grants appear in 16 CPC subclasses total.

Is Xemc Darwind B.V.'s patent grant rate increasing or decreasing?

Xemc Darwind B.V.'s recent grant velocity is -100% 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 Xemc Darwind B.V.'s patents?

Xemc Darwind B.V.'s patents average 15.6 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.

How is the Xemc Darwind B.V. 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

Xemc Darwind B.V.

USPTO PatentsView assignee record - 8 granted patents across 16 technology areas, recorded in grant years 2015–2018. 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: Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Xemc ranks #33,929 of 49,997 tracked US assignees by granted-patent volume, with 8 patents across 16 technology areas.

#33,929
of 49,997 US assignees by volume: 37th percentile
by Innovation Score (31.1/100): 15.6
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R33929 · Foreign Corporation #33,929 · 8 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 8 grants
MID-PACK #33,929/49,997
PHOTO-FINISH Wuhan Jingce Group
CPC-FOCUS Y02E · 16 areas
INNOV-THIN 31.1/100
CLAIMS-RICH 15.6 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Wuhan Jingce Electronic Group Co., 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 Xemc’s 31.1 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 (24%) Velocity 0.0 pts (0%) Breadth 14.1 pts (45%) Claim depth 9.4 pts (30%)

Qualcomm Incorporated · highest

85
Xemc Darwind B V · this assignee

31
3D Lighting… · lowest

7

What this shows Xemc's Innovation Score is 31.1/100 (37th 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 Xemc?

Each dot is one of Xemc’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). Xemc’s own 15.6 claims/patent is ABOVE the 11.1 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Xemc's grants concentrate

Xemc Darwind B.V. is a focused PatentsView assignee: 16 CPC subclasses with 100% of grants classified under Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution). Peak complete grant year is 2015 (4 grants) versus a trough of 1 in 2016. By volume, Xemc sits between Wuhan Jingce Electronic Group Co., Ltd and Xiamen LP Pharmaceutical Co., Ltd..

Wuhan Jingce Group

8
Wuxi EA Medical I…

8
X-rite Incorporat…

8
X-technology Swiss

8
Xenter

8
Xepic

8
Xi'an Eswin Silic…

8
Xiamen Pharmaceut…

8
Xemc Darwind B V ◀

8

What this shows Xemc holds 8 patents at rank #33,911, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Xemc

By rank, the assignees closest to #33,911 in granted patent volume.

Leaders in Y02E (Reduction OF Greenhouse GAS [GHG] Emissions)

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

Xemc's Innovation Score vs. every tracked assignee

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

31 37th percentile higher than 37% 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 · 2015–2018

Grants by year

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

View data table

Xemc Darwind B.V. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	4	50.0%
2016	1	12.5%
2017	2	25.0%
2018	1	12.5%

Which technologies does Xemc Darwind B.V. patent most?

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 8

F03D - Wind Motors 8

F05B - Indexing Scheme Relating TO Wind, Spring, Weight, Inertia OR Like Motors, TO Machines OR Engines FOR Liquids Covered BY Subclasses F03b, F03d AND F03g 6

H02K - Dynamo-electric Machines 2

H02P - Control OR Regulation OF Electric Motors, Electric Generators OR Dynamo-electric CONVERTERS; Controlling Transformers, Reactors OR Choke Coils 2

B29L - Indexing Scheme Associated With Subclass B29c, Relating TO Particular Articles 1

F05C - Indexing Scheme Relating TO Materials, Material Properties OR Material Characteristics FOR Machines, Engines OR Pumps Other Than Non-positive-displacement Machines OR Engines 1

B29K - Indexing Scheme Associated With Subclasses B29b, B29c OR B29d, Relating TO Moulding Materials OR TO Materials FOR ; Moulds, ; Reinforcements, Fillers OR Preformed Parts, e.g. Inserts 1

Y10T - Technical Subjects Covered BY Former US Classification 1

B29D - Producing Particular Articles From Plastics OR From Substances IN A Plastic State 1

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 1

F16C - SHAFTS; Flexible SHAFTS; Elements OR Crankshaft MECHANISMS; Rotary Bodies Other Than Gearing ELEMENTS; Bearings 1

F16N - Lubricating 1

F01M - Lubricating OF Machines OR Engines IN GENERAL; Lubricating Internal Combustion ENGINES; Crankcase Ventilating 1

H02M - Apparatus FOR Conversion Between AC AND AC, Between AC AND DC, OR Between DC AND DC, AND FOR USE With Mains OR Similar Power Supply SYSTEMS; Conversion OF DC OR AC Input Power Into Surge Output POWER; Control OR Regulation Thereof 1

Top 15 of 16 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

Xemc Darwind B.V.'s patent record in context - here's where to go next.

Xemc Darwind B.V.'s lead technology class is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution), 100% of its portfolio - see every assignee active in that class. Explore Y02E
Ranked #33,929 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Xemc Darwind B.V. against Wuhan Jingce Electronic Group Co., Ltd, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 31.1/100 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.