Where does Camfil USA, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Camfil USA, Inc. ranks #12,380 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 Camfil USA, Inc. hold?

Camfil USA, Inc. holds 24 US utility patents granted between 2015 and 2025, spanning 12 technology areas.

What is Camfil USA, Inc.'s Innovation Score?

Camfil USA, Inc. has an Innovation Score of 31.2 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 Camfil USA, Inc. focus on?

Camfil USA, Inc.'s top technology area is B01D (Separation) with 19 patents, ranking #250 of 3,536 assignees active in that subclass. Grants appear in 12 CPC subclasses total.

Is Camfil USA, Inc.'s patent grant rate increasing or decreasing?

Camfil USA, Inc.'s recent grant velocity is -90% 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 Camfil USA, Inc.'s patents?

Camfil USA, Inc.'s patents average 13.1 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 Camfil USA, Inc. 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

Camfil USA, Inc.

USPTO PatentsView assignee record - 24 granted patents across 12 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: B01D (Separation).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Camfil ranks #12,380 of 49,997 tracked US assignees by granted-patent volume, with 24 patents across 12 technology areas.

#12,380
of 49,997 US assignees by volume: 37th percentile
by Innovation Score (31.2/100): 13.1
avg claims per patent: -90%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R12380 · US Corporation #12,380 · 24 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-RICH · TYPE-USCORP · VEL-DROP · BOOK-FULL

GRANTS-SMALL 24 grants
UPPER-Q #12,380/49,997
PHOTO-FINISH Biotest
CPC-FOCUS B01D · 12 areas
INNOV-THIN 31.2/100
CLAIMS-RICH 13.1 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -90% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Biotest AG (±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 Camfil’s 31.2 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 11.1 pts (36%) Velocity 0.0 pts (0%) Breadth 12.2 pts (39%) Claim depth 7.8 pts (25%)

Qualcomm Incorporated · highest

85
Camfil USA · this assignee

31
3D Lighting… · lowest

7

What this shows Camfil's Innovation Score is 31.2/100 (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 Camfil?

Each dot is one of Camfil’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). Camfil’s own 13.1 claims/patent is ABOVE the 12.5 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Camfil's grants concentrate

Camfil USA, Inc. is a focused PatentsView assignee: 12 CPC subclasses with 79.2% of grants classified under B01D (Separation). Peak complete grant year is 2015 (10 grants) versus a trough of 1 in 2017. By volume, Camfil sits between Biotest AG and Constellium Neuf-brisach.

Biotest

24
Bison Designs

24
Burton

24
Calitor Sciences

24
Centrillion Techn…

24
China National Of…

24
Claas Saulgau

24
Constellium Neuf-…

24
Camfil USA ◀

24

What this shows Camfil holds 24 patents at rank #12,380, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Camfil

By rank, the assignees closest to #12,380 in granted patent volume.

Leaders in B01D (Separation)

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

Camfil'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 · 2015–2025

Grants by year

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

View data table

Camfil USA, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	10	41.7%
2016	4	16.7%
2017	1	4.2%
2018	3	12.5%
2019	3	12.5%
2020	2	8.3%
2025partial year	1	4.2%

Which technologies does Camfil USA, Inc. patent most?

B01D - Separation 19

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 7

F24F - AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR Currents FOR Screening 4

Y10T - Technical Subjects Covered BY Former US Classification 3

G01M - Testing Static OR Dynamic Balance OF Machines OR STRUCTURES; Testing OF Structures OR Apparatus, NOT Otherwise Provided FOR 3

Y02A - Technologies FOR Adaptation TO Climate Change 3

B01F - Mixing, e.g. Dissolving, Emulsifying OR Dispersing 1

Y10S - Technical Subjects Covered BY Former Uspc Cross-reference ART Collections [XRACs] AND Digests 1

B23P - Metal-working NOT Otherwise Provided FOR; Combined OPERATIONS; Universal Machine Tools 1

A01K - Animal HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; Rearing OR Breeding Animals, NOT Otherwise Provided FOR; NEW Breeds OF Animals 1

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

F16J - Pistons ; CYLINDERS; Sealings 1

Top 12 of 12 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

Camfil USA, Inc.'s patent record in context - here's where to go next.

Camfil USA, Inc.'s lead technology class is B01D (Separation), 79.2% of its portfolio - see every assignee active in that class. Explore B01D
Ranked #12,380 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Camfil USA, Inc. against Biotest AG, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 31.2/100 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.