Where does Purity (Xiamen) Sanitary Ware Co., Ltd rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Purity (Xiamen) Sanitary Ware Co., Ltd ranks #6,375 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 Purity (Xiamen) Sanitary Ware Co., Ltd hold?

Purity (Xiamen) Sanitary Ware Co., Ltd holds 53 US utility patents granted between 2017 and 2025, spanning 25 technology areas.

What is Purity (Xiamen) Sanitary Ware Co., Ltd's Innovation Score?

Purity (Xiamen) Sanitary Ware Co., Ltd has an Innovation Score of 38.4 out of 100 (top 41% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Purity (Xiamen) Sanitary Ware Co., Ltd focus on?

Purity (Xiamen) Sanitary Ware Co., Ltd's top technology area is B05B (Spraying APPARATUS; Atomising APPARATUS; Nozzles) with 21 patents, ranking #60 of 1,384 assignees active in that subclass. Grants appear in 25 CPC subclasses total.

Is Purity (Xiamen) Sanitary Ware Co., Ltd's patent grant rate increasing or decreasing?

Purity (Xiamen) Sanitary Ware Co., Ltd's recent grant velocity is +1100% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Purity (Xiamen) Sanitary Ware Co., Ltd's patents?

Purity (Xiamen) Sanitary Ware Co., Ltd's patents average 8.2 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 Purity (Xiamen) Sanitary Ware 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

Purity (Xiamen) Sanitary Ware Co., Ltd

USPTO PatentsView assignee record - 53 granted patents across 25 technology areas, recorded in grant years 2017–2025. 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: B05B (Spraying APPARATUS; Atomising APPARATUS; Nozzles).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Purity ranks #6,375 of 49,997 tracked US assignees by granted-patent volume, with 53 patents across 25 technology areas.

#6,375
of 49,997 US assignees by volume: Top 41%
by Innovation Score (38.4/100): 8.2
avg claims per patent: +1100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R6375 · Foreign Corporation #6,375 · 53 grants

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

GRANTS-SMALL 53 grants
UPPER-Q #6,375/49,997
PHOTO-FINISH Orion Labs
CPC-FOCUS B05B · 25 areas
INNOV-THIN 38.4/100
CLAIMS-PAR 8.2 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +1100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Orion Labs, 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 Purity’s 38.4 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 (36%) Velocity 2.1 pts (5%) Breadth 17.7 pts (46%) Claim depth 4.9 pts (13%)

Qualcomm Incorporated · highest

85
American Gene… · near

38
DrFirst com · near

38
Inhibrx · near

38
Nidec Servo · near

38
Purity (Xiamen)… · this assignee

38
3D Lighting… · lowest

7

What this shows Purity's Innovation Score is 38.4/100 (top 41% 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 Purity?

Each dot is one of Purity’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). Purity’s own 8.2 claims/patent is at or below the 13.3 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Purity's grants concentrate

Purity (Xiamen) Sanitary Ware Co., Ltd is a focused PatentsView assignee: 25 CPC subclasses with 39.6% of grants classified under B05B (Spraying APPARATUS; Atomising APPARATUS; Nozzles). Peak complete grant year is 2021 (21 grants) versus a trough of 1 in 2017. By volume, Purity sits between Orion Labs, Inc. and Route 92 Medical, Inc..

Purity's three-year grant acceleration

From 2019–2021 to 2022–2024, Purity (Xiamen) Sanitary Ware Co., Ltd moved from 39 to 12 grants (0.31x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

Orion Labs

53
Pierre Fabre Derm…

53
Polyplastics

53
Precision Combust…

53
Qromis

53
R Stahl Schaltger…

53
Revolution Display

53
Route 92 Medical

53
Purity (Xiamen) S… ◀

53

What this shows Purity holds 53 patents at rank #6,373, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Purity

By rank, the assignees closest to #6,373 in granted patent volume.

Leaders in B05B (Spraying Apparatus)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Purity, neither rank-band nor same-CPC leaders (those blocks stay above). In B05B (Spraying Apparatus), Purity ranks #60 of 1,384 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (38 here).

DrFirst.com, Inc. 38 Nidec Servo Corporation 38 American Gene Technologies International Inc. 38 Inhibrx, Inc. 38

Similar claim depth

Nearest assignees by average claims per patent (8.2 here).

Hefei University of Technology 8.2 avg IHI Corporation 8.2 avg Wapp Tech Corp. 8.2 avg Gripple Limited 8.2 avg

Purity's Innovation Score vs. every tracked assignee

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

38 Top 41% higher than 59% 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 · 2017–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2017–2019 baseline. Full figures in the table below.

View data table

Purity (Xiamen) Sanitary Ware Co., Ltd patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2017	1	1.9%
2019	3	5.7%
2020	15	28.3%
2021	21	39.6%
2022	6	11.3%
2023	5	9.4%
2024	1	1.9%
2025partial year	1	1.9%

Which technologies does Purity (Xiamen) Sanitary Ware Co., Ltd patent most?

B05B - Spraying APPARATUS; Atomising APPARATUS; Nozzles 21

E03C - Domestic Plumbing Installations FOR Fresh Water OR Waste Water ; Sinks 15

F16K - VALVES; TAPS; COCKS; ACTUATING-FLOATS; Devices FOR Venting OR Aerating 8

A47K - Sanitary Equipment NOT Otherwise Provided FOR ; Toilet Accessories 7

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

C02F - Treatment OF Water, Waste Water, Sewage, OR Sludge 2

Y10T - Technical Subjects Covered BY Former US Classification 2

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 2

B01F - Mixing, e.g. Dissolving, Emulsifying OR Dispersing 2

A47L - Domestic Washing OR Cleaning ; Suction Cleaners IN General 1

A46B - Brushes 1

F16L - PIPES; Joints OR Fittings FOR PIPES; Supports FOR Pipes, Cables OR Protective TUBING; Means FOR Thermal Insulation IN General 1

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 1

A61H - Physical Therapy Apparatus, e.g. Devices FOR Locating OR Stimulating Reflex Points IN THE BODY; Artificial RESPIRATION; MASSAGE; Bathing Devices FOR Special Therapeutic OR Hygienic Purposes OR Specific Parts OF THE Body 1

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

Purity (Xiamen) Sanitary Ware Co., Ltd's patent record in context - here's where to go next.

Purity (Xiamen) Sanitary Ware Co., Ltd's lead technology class is B05B (Spraying APPARATUS; Atomising APPARATUS; Nozzles), 39.6% of its portfolio - see every assignee active in that class. Explore B05B
Ranked #6,375 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Purity (Xiamen) Sanitary Ware Co., Ltd against Orion Labs, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 38.4/100 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.