Overall rank by patents
#32,422
of 49,997 tracked assignees
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).
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.
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
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.
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
Qualcomm Incorporated · highest
85 score
MANN+HUMMEL… · this assignee
21 score
3D Lighting… · lowest
7 score
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.
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..
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
Makusafe Corp.
8 patents
Mallory Sonalert Products, Inc.
8 patents
Mamas & Papas (HOLDINGS) Limited
8 patents
Mandus Group LLC
8 patents
Mannington Mills, Inc.
8 patents
Marantec Antriebs-und Steuerungstechnik GMBH & Co. KG
8 patents
Maritime Telecommunications Network Inc.
8 patents
Marshall Electric Corp.
8 patents
MANN+HUMMEL Purolator Filters LLC
8 patents
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.
By rank, the assignees closest to #32,400 in granted patent volume.
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
Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2015 | 3 | 37.5% |
| 2016 | 4 | 50.0% |
| 2019 | 1 | 12.5% |
Top 6 of 6 technology areas
Overall rank by patents
#32,422
of 49,997 tracked assignees
21.2 out of 100
What to do with this data
MANN+HUMMEL Purolator Filters LLC's patent record in context - here's where to go next.
Figures reflect USPTO PatentsView grant data through May 2026; pending applications not yet granted are not counted.
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.