Where does Xiangtan Electric Manufacturing Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Xiangtan Electric Manufacturing Co., Ltd. ranks #44,163 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 Xiangtan Electric Manufacturing Co., Ltd. hold?

Xiangtan Electric Manufacturing Co., Ltd. holds 6 US utility patents granted between 2015 and 2017, spanning 15 technology areas.

What is Xiangtan Electric Manufacturing Co., Ltd.'s Innovation Score?

Xiangtan Electric Manufacturing Co., Ltd. has an Innovation Score of 30.3 out of 100 (34th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Xiangtan Electric Manufacturing Co., Ltd.'s patent grant rate increasing or decreasing?

Xiangtan Electric Manufacturing Co., Ltd.'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 Xiangtan Electric Manufacturing Co., Ltd.'s patents?

Xiangtan Electric Manufacturing Co., Ltd.'s patents average 16.5 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 Xiangtan Electric Manufacturing 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

Xiangtan Electric Manufacturing Co., Ltd.

Q: What technology areas does Xiangtan Electric Manufacturing Co., Ltd. focus on?

Xiangtan Electric Manufacturing Co., Ltd.'s top technology area is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution) with 5 patents, ranking #2,175 of 5,963 assignees active in that subclass. Grants appear in 15 CPC subclasses total.

USPTO PatentsView assignee record - 6 granted patents across 15 technology areas, recorded in grant years 2015–2017. 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, Xiangtan ranks #44,163 of 49,997 tracked US assignees by granted-patent volume, with 6 patents across 15 technology areas.

#44,163
of 49,997 US assignees by volume: 34th percentile
by Innovation Score (30.3/100): 16.5
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R44163 · Foreign Corporation #44,163 · 6 grants

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

GRANTS-MICRO 6 grants
LOWER-Q #44,163/49,997
PHOTO-FINISH Xiamen iPrt Technology
CPC-FOCUS Y02E · 15 areas
INNOV-THIN 30.3/100
CLAIMS-RICH 16.5 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Xiamen iPrt Technology 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 Xiangtan’s 30.3 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 6.7 pts (22%) Velocity 0.0 pts (0%) Breadth 13.7 pts (45%) Claim depth 9.9 pts (33%)

Qualcomm Incorporated · highest

85
Xiangtan Electric… · this assignee

30
3D Lighting… · lowest

7

What this shows Xiangtan's Innovation Score is 30.3/100 (34th 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 Xiangtan?

Each dot is one of Xiangtan’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). Xiangtan’s own 16.5 claims/patent is ABOVE the 2.5 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Xiangtan's grants concentrate

Xiangtan Electric Manufacturing Co., Ltd. is a focused PatentsView assignee: 15 CPC subclasses with 83.3% of grants classified under Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution). Peak complete grant year is 2017 (4 grants) versus a trough of 1 in 2015. By volume, Xiangtan sits between Xiamen Rainshower Co. Ltd. and Y-tec Corporation.

Xiamen Rainshower

6
Xiamen Renhe Spor…

6
Xiamen Yaxon Netw…

6
Xiamen iprt Techn…

6
Xindao (Shanghai)

6
Xtera Communicati…

6
Xuzhou Armour Rub…

6
Y-tec

6
Xiangtan Electric… ◀

6

What this shows Xiangtan holds 6 patents at rank #44,142, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Xiangtan

By rank, the assignees closest to #44,142 in granted patent volume.

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

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

Xiangtan's Innovation Score vs. every tracked assignee

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

30 34th percentile higher than 34% 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 · 2015–2017

Grants by year

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

View data table

Xiangtan Electric Manufacturing Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	16.7%
2016	1	16.7%
2017	4	66.7%

Which technologies does Xiangtan Electric Manufacturing Co., Ltd. patent most?

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 5

F03G - Spring, Weight, Inertia OR Like MOTORS; Mechanical-power Producing Devices OR Mechanisms, NOT Otherwise Provided FOR OR Using Energy Sources NOT Otherwise Provided FOR 4

F24S - Solar Heat COLLECTORS; Solar Heat Systems 4

F02C - Gas-turbine PLANTS; AIR Intakes FOR Jet-propulsion PLANTS; Controlling Fuel Supply IN Air-breathing Jet-propulsion Plants 2

F05D - Indexing Scheme FOR Aspects Relating TO Non-positive-displacement Machines OR Engines, Gas-turbines OR Jet-propulsion Plants 1

F01D - Non-positive Displacement Machines OR Engines, e.g. Steam Turbines 1

G01M - Testing Static OR Dynamic Balance OF Machines OR STRUCTURES; Testing OF Structures OR Apparatus, NOT Otherwise Provided FOR 1

G01B - Measuring Length, Thickness OR Similar Linear DIMENSIONS; Measuring ANGLES; Measuring AREAS; Measuring Irregularities OF Surfaces OR Contours 1

B05B - Spraying APPARATUS; Atomising APPARATUS; Nozzles 1

B08B - Cleaning IN GENERAL; Prevention OF Fouling IN General 1

A21C - Machines OR Equipment FOR Making OR Processing DOUGHS; Handling Baked Articles Made From Dough 1

G02B - Optical Elements, Systems OR Apparatus 1

F23D - Burners 1

H04N - Pictorial Communication, e.g. Television 1

G06T - Image Data Processing OR Generation, IN General 1

Top 15 of 15 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

Xiangtan Electric Manufacturing Co., Ltd.'s patent record in context - here's where to go next.

Xiangtan Electric Manufacturing Co., Ltd.'s lead technology class is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution), 83.3% of its portfolio - see every assignee active in that class. Explore Y02E
Ranked #44,163 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Xiangtan Electric Manufacturing Co., Ltd. against Xiamen Rainshower Co. Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 30.3/100 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.