Where does American Sterilizer Company rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), American Sterilizer Company ranks #2,602 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 American Sterilizer Company hold?

American Sterilizer Company holds 149 US utility patents granted between 2015 and 2025, spanning 66 technology areas.

What is American Sterilizer Company's Innovation Score?

American Sterilizer Company has an Innovation Score of 57.9 out of 100 (top 5% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is American Sterilizer Company's patent grant rate increasing or decreasing?

American Sterilizer Company's recent grant velocity is +49% compared to the prior five-year period (grant years, not application filing dates). The company is maintaining or growing its granted-patent output.

What does claim depth mean for American Sterilizer Company's patents?

American Sterilizer Company's patents average 16.2 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 American Sterilizer Company 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 US Corporation

American Sterilizer Company

Q: What technology areas does American Sterilizer Company focus on?

American Sterilizer Company'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 57 patents, ranking #43 of 2,589 assignees active in that subclass. Grants appear in 66 CPC subclasses total.

USPTO PatentsView assignee record - 149 granted patents across 66 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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The verdict

According to USPTO PatentsView, American ranks #2,602 of 49,997 tracked US assignees by granted-patent volume, with 149 patents across 66 technology areas.

#2,602
of 49,997 US assignees by volume: Top 5%
by Innovation Score (57.9/100): 16.2
avg claims per patent: +49%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R2602 · US Corporation #2,602 · 149 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-PAR · CLAIMS-RICH · TYPE-USCORP · VEL-UP · BOOK-FULL

GRANTS-MID 149 grants
TOP-DECILE #2,602/49,997
PHOTO-FINISH Amotech
CPC-WIDE A61L · 66 areas
INNOV-PAR 57.9/100
CLAIMS-RICH 16.2 claims/avg
TYPE-USCORP US Corporation
VEL-UP +49% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Amotech 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 American’s 57.9 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 17.3 pts (30%) Velocity 5.8 pts (10%) Breadth 25.0 pts (43%) Claim depth 9.7 pts (17%)

Qualcomm Incorporated · highest

85
Dignity Health · near

58
American Sterilizer · this assignee

58
DR Johannes Heidenhain · near

58
Andritz · near

58
Kemet · near

58
3D Lighting… · lowest

7

What this shows American's Innovation Score is 57.9/100 (top 5% 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 American?

Each dot is one of American’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). American’s own 16.2 claims/patent is ABOVE the 14.1 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

How American's grant cadence moved

Between 2020–2024, American Sterilizer Company received 85 grants versus 57 in 2015–2019 (+49% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2024 at 24 grants and bottomed in 2018 at 5. Lead class A61L accounts for 38.3% of the portfolio across 66 subclasses. Volume neighbours: Worcester Polytechnic Institute (#2,601) and KOH Young Technology Inc (#2,609).

American's three-year grant acceleration

From 2019–2021 to 2022–2024, American Sterilizer Company moved from 56 to 49 grants (0.88x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #1,579. See the growth leaderboard.

Worcester Polytec…

150
Amotech

149
Atlas Copco Indus…

149
AUO

149
Dürr Systems

149
Heatcraft Refrige…

149
Innovation

149
KOH Young Technol…

149
American Steriliz… ◀

149

What this shows American holds 149 patents at rank #2,605, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near American

By rank, the assignees closest to #2,605 in granted patent volume.

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

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for American, neither rank-band nor same-CPC leaders (those blocks stay above). In A61L (Methods OR Apparatus FOR Sterilising Materials OR Objects…), American ranks #43 of 2,589 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (58 here).

DR. Johannes Heidenhain GMBH 58 Dignity Health 58 Kemet Electronics Corporation 58 Andritz Inc. 58

Similar claim depth

Nearest assignees by average claims per patent (16.2 here).

Hisense Broadband Multimedia Technologies Co., Ltd. 16.2 avg Meso Scale Technologies, LLC. 16.2 avg M-I L.L.C. 16.2 avg Vodafone IP Licensing Limited 16.2 avg

American's Innovation Score vs. every tracked assignee

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

58 Top 5% higher than 95% 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

American Sterilizer Company patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	12	8.1%
2016	12	8.1%
2017	8	5.4%
2018	5	3.4%
2019	20	13.4%
2020	16	10.7%
2021	20	13.4%
2022	8	5.4%
2023	17	11.4%
2024	24	16.1%
2025partial year	7	4.7%

Which technologies does American Sterilizer Company 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 57

A61B - DIAGNOSIS; SURGERY; Identification 55

F21V - Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR 25

C12Q - Measuring OR Testing Processes Involving Enzymes, Nucleic Acids OR Microorganisms ; Compositions OR Test Papers THEREFOR; Processes OF Preparing Such COMPOSITIONS; Condition-responsive Control IN Microbiological OR Enzymological Processes 22

F21W - Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO Uses OR Applications OF Lighting Devices OR Systems 21

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 16

A01N - Preservation OF Bodies OF Humans OR Animals OR Plants OR Parts Thereof ; Biocides, e.g. AS Disinfectants, AS Pesticides OR AS Herbicides ; Pest Repellants OR ATTRACTANTS; Plant Growth Regulators 15

A61G - Transport, Personal Conveyances, OR Accommodation Specially Adapted FOR Patients OR Disabled Persons ; Operating Tables OR CHAIRS; Chairs FOR DENTISTRY; Funeral Devices 14

F16D - Couplings FOR Transmitting ROTATION; CLUTCHES; Brakes 13

C12M - Apparatus FOR Enzymology OR MICROBIOLOGY; Apparatus FOR Culturing Microorganisms FOR Producing Biomass, FOR Growing Cells OR FOR Obtaining Fermentation OR Metabolic Products, i.e. Bioreactors OR Fermenters 13

F16M - Frames, Casings OR Beds OF Engines, Machines OR Apparatus, NOT Specific TO Engines, Machines OR Apparatus Provided FOR ELSEWHERE; STANDS; Supports 12

C12N - Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media 12

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 10

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General 10

C12Y - Enzymes 8

Top 15 of 66 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

American Sterilizer Company's patent record in context - here's where to go next.

American Sterilizer Company'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;), 38.3% of its portfolio - see every assignee active in that class. Explore A61L
Ranked #2,602 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare American Sterilizer Company against Worcester Polytechnic Institute, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 57.9/100 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.