Where does MANN+HUMMEL Purolator Filters LLC rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), MANN+HUMMEL Purolator Filters LLC ranks #32,422 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 MANN+HUMMEL Purolator Filters LLC hold?

MANN+HUMMEL Purolator Filters LLC holds 8 US utility patents granted between 2015 and 2019, spanning 6 technology areas.

What is MANN+HUMMEL Purolator Filters LLC's Innovation Score?

MANN+HUMMEL Purolator Filters LLC has an Innovation Score of 21.2 out of 100 (8th 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 MANN+HUMMEL Purolator Filters LLC focus on?

MANN+HUMMEL Purolator Filters LLC's top technology area is B01D (Separation) with 3 patents, ranking #1,415 of 3,536 assignees active in that subclass. Grants appear in 6 CPC subclasses total.

Is MANN+HUMMEL Purolator Filters LLC's patent grant rate increasing or decreasing?

MANN+HUMMEL Purolator Filters LLC'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 MANN+HUMMEL Purolator Filters LLC's patents?

MANN+HUMMEL Purolator Filters LLC's patents average 8.3 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 MANN+HUMMEL Purolator Filters LLC 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

MANN+HUMMEL Purolator Filters LLC

USPTO PatentsView assignee record - 8 granted patents across 6 technology areas, recorded in grant years 2015–2019. 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, Mann+hummel ranks #32,422 of 49,997 tracked US assignees by granted-patent volume, with 8 patents across 6 technology areas.

#32,422
of 49,997 US assignees by volume: 8th percentile
by Innovation Score (21.2/100): 8.3
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R32422 · US Corporation #32,422 · 8 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-PAR · TYPE-USCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 8 grants
MID-PACK #32,422/49,997
PHOTO-FINISH Makusafe
CPC-NARROW B01D · 6 areas
INNOV-THIN 21.2/100
CLAIMS-PAR 8.3 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Makusafe Corp. (±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 Mann+hummel’s 21.2 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 7.6 pts (36%) Velocity 0.0 pts (0%) Breadth 8.7 pts (41%) Claim depth 5.0 pts (23%)

Qualcomm Incorporated · highest

85
MANN+HUMMEL… · this assignee

21
3D Lighting… · lowest

7

What this shows Mann+hummel's Innovation Score is 21.2/100 (8th 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 Mann+hummel?

Each dot is one of Mann+hummel’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). Mann+hummel’s own 8.3 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.

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

Where Mann+hummel's grants concentrate

MANN+HUMMEL Purolator Filters LLC is a focused PatentsView assignee: 6 CPC subclasses with 37.5% of grants classified under B01D (Separation). Peak complete grant year is 2016 (4 grants) versus a trough of 1 in 2019. By volume, Mann+hummel sits between Makusafe Corp. and Marshall Electric Corp..

Makusafe

8
Mallory Sonalert…

8
Mamas & Papas (Ho…

8
Mandus Group

8
Mannington Mills

8
Marantec Antriebs…

8
Maritime Telecomm…

8
Marshall Electric

8
MANN+Hummel Purol… ◀

8

What this shows MANN+HUMMEL holds 8 patents at rank #32,400, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near MANN+HUMMEL

By rank, the assignees closest to #32,400 in granted patent volume.

Leaders in B01D (Separation)

Other assignees with the most granted patents in MANN+HUMMEL's primary technology class.

Mann+hummel's Innovation Score vs. every tracked assignee

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

21 8th percentile higher than 8% 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 · 2015–2019

Grants by year

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

View data table

MANN+HUMMEL Purolator Filters LLC patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	3	37.5%
2016	4	50.0%
2019	1	12.5%

Which technologies does MANN+HUMMEL Purolator Filters LLC patent most?

B01D - Separation 3

F02M - Supplying Combustion Engines IN General With Combustible Mixtures OR Constituents Thereof 2

H05F - Static ELECTRICITY; Naturally-occurring Electricity 1

B05C - Apparatus FOR Applying Fluent Materials TO Surfaces, IN General 1

B05D - Processes FOR Applying Fluent Materials TO Surfaces, IN General 1

B29C - Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing 1

Top 6 of 6 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

MANN+HUMMEL Purolator Filters LLC's patent record in context - here's where to go next.

MANN+HUMMEL Purolator Filters LLC's lead technology class is B01D (Separation), 37.5% of its portfolio - see every assignee active in that class. Explore B01D
Ranked #32,422 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare MANN+HUMMEL Purolator Filters LLC against Makusafe Corp., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 21.2/100 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.