Where does Puzhen Life Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Puzhen Life Co., Ltd. ranks #3,938 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 Puzhen Life Co., Ltd. hold?

Puzhen Life Co., Ltd. holds 92 US utility patents granted between 2015 and 2025, spanning 15 technology areas.

What is Puzhen Life Co., Ltd.'s Innovation Score?

Puzhen Life Co., Ltd. has an Innovation Score of 44.1 out of 100 (top 26% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Puzhen Life Co., Ltd.'s patent grant rate increasing or decreasing?

Puzhen Life Co., Ltd.'s recent grant velocity is +209% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Puzhen Life Co., Ltd.'s patents?

Puzhen Life Co., Ltd.'s patents average 4.5 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 Puzhen Life 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

Puzhen Life Co., Ltd.

Q: What technology areas does Puzhen Life Co., Ltd. focus on?

Puzhen Life Co., Ltd.'s top technology area is 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) with 16 patents. Grants appear in 15 CPC subclasses total.

USPTO PatentsView assignee record - 92 granted patents across 15 technology areas, recorded in grant years 2015–2025. 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: 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;).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Puzhen ranks #3,938 of 49,997 tracked US assignees by granted-patent volume, with 92 patents across 15 technology areas.

#3,938
of 49,997 US assignees by volume: Top 26%
by Innovation Score (44.1/100): 4.5
avg claims per patent: +209%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R3938 · Foreign Corporation #3,938 · 92 grants

GRANTS-SMALL · TOP-DECILE · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-SMALL 92 grants
TOP-DECILE #3,938/49,997
PHOTO-FINISH MorphoTrust USA
CPC-FOCUS A61L · 15 areas
INNOV-PAR 44.1/100
CLAIMS-SPARSE 4.5 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +209% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: MorphoTrust USA, LLC (±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.

Qualcomm Incorporated · highest

85
Buffalo Filter · near

44
Mikro Mesa Technology · near

44
Pro-iroda Industries · near

44
Puzhen Life · this assignee

44
Slice · near

44
3D Lighting… · lowest

7

What this shows Puzhen's Innovation Score is 44.1/100 (top 26% 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.

Where Puzhen's grants concentrate

Puzhen Life Co., Ltd. is a focused PatentsView assignee: 15 CPC subclasses with 17.4% of grants classified under 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;). Peak complete grant year is 2021 (20 grants) versus a trough of 1 in 2015. By volume, Puzhen sits between MorphoTrust USA, LLC and Saucony, Inc..

Puzhen's three-year grant acceleration

From 2019–2021 to 2022–2024, Puzhen Life Co., Ltd. moved from 26 to 47 grants (1.81x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

Morphotrust USA

92
Nautilus

92
Nicoventures Hold…

92
Orbital Research

92
Qlogic

92
Safran Landing Sy…

92
Saint-gobain Cent…

92
Saucony

92
Puzhen Life ◀

92

What this shows Puzhen holds 92 patents at rank #3,938, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Puzhen

By rank, the assignees closest to #3,938 in granted patent volume.

Leaders in A61L (Methods OR Apparatus FOR Sterilising Materials OR Objects…)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Puzhen, neither rank-band nor same-CPC leaders (those blocks stay above).

Similar innovation score

Nearest assignees by Innovation Score (44 here).

Mikro Mesa Technology Co., Ltd. 44 Pro-iroda Industries, Inc. 44 Slice, Inc. 44 Buffalo Filter LLC 44

Similar claim depth

Nearest assignees by average claims per patent (4.5 here).

Griffin Technology, LLC 4.6 avg Huhtamaki, Inc. 4.6 avg Outdoor Edge Cutlery, LLC 4.6 avg Rinnai Corporation 4.5 avg

Puzhen's Innovation Score vs. every tracked assignee

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

44 Top 26% higher than 74% 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 · 2015–2025

Grants by year

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

View data table

Puzhen Life Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	1.1%
2016	5	5.4%
2018	11	12.0%
2019	5	5.4%
2020	1	1.1%
2021	20	21.7%
2022	20	21.7%
2023	16	17.4%
2024	11	12.0%
2025partial year	2	2.2%

Which technologies does Puzhen Life Co., Ltd. patent most?

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 16

B05B - Spraying APPARATUS; Atomising APPARATUS; Nozzles 12

A61M - Devices FOR Introducing Media Into, OR Onto, THE Body ; Devices FOR Transducing Body Media OR FOR Taking Media From THE Body ; Devices FOR Producing OR Ending Sleep OR Stupor 9

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 2

F04B - Positive-displacement Machines FOR LIQUIDS; Pumps 2

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 2

A45D - Hairdressing OR Shaving Equipment ; Equipment FOR Cosmetics OR Cosmetic Treatments, e.g. FOR Manicuring OR Pedicuring 2

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

G08C - Transmission Systems FOR Measured Values, Control OR Similar Signals 1

B60H - Arrangements OF Heating, Cooling, Ventilating OR Other Air-treating Devices Specially Adapted FOR Passenger OR Goods Spaces OF Vehicles 1

F24F - AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR Currents FOR Screening 1

B01D - Separation 1

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

G06F - Electric Digital Data Processing 1

G05B - Control OR Regulating Systems IN GENERAL; Functional Elements OF Such SYSTEMS; Monitoring OR Testing Arrangements FOR Such Systems OR Elements 1

Top 15 of 15 technology areas

Where it ranks

Overall rank by patents

#3,938

of 49,997 tracked assignees

Innovation Score

44.1 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

Puzhen Life Co., Ltd.'s patent record in context - here's where to go next.

Puzhen Life Co., Ltd.'s lead technology class is 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;), 17.4% of its portfolio - see every assignee active in that class. Explore A61L
Ranked #3,938 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Puzhen Life Co., Ltd. against MorphoTrust USA, LLC, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 44.1/100 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.