Secondary element and filter system
US-12582930-B2 · Mar 24, 2026 · US
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Neef Pascal patents
Neef Pascal is listed as an inventor on 95 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Neef Pascal |
| Total patents | 95 |
| First publication | Jan 8, 2015 |
| Latest publication | Mar 24, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Filter element and filter system
US-2025367585-A1 · Dec 4, 2025 · US
Filter element comprising at least two filter medium bodies
US-2025345734-A1 · Nov 13, 2025 · US
Filter element, housing for a filter system, and filter system comprising a filter element and a housing
US-2025339804-A1 · Nov 6, 2025 · US
Gas filter system
US-2025276265-A1 · Sep 4, 2025 · US
Filter element, housing for a filter system, and filter system comprising a filter element and a housing
US-12377379-B2 · Aug 5, 2025 · US
Gas filter system
US-2025242288-A1 · Jul 31, 2025 · US
Gas filter system
US-2025214021-A1 · Jul 3, 2025 · US
Gas filter system
US-2025214019-A1 · Jul 3, 2025 · US
Gas filter system
US-2025214018-A1 · Jul 3, 2025 · US
Recent patents
Latest publications not already listed above.
Gas filter system
US-2025214016-A1 · Jul 3, 2025 · US
Gas filter system
US-2025214022-A1 · Jul 3, 2025 · US
Air filter element having a circumferentially protruding clean air seal, filter housing and air filter
US-12233369-B2 · Feb 25, 2025 · US
Filter system and filter element
US-2025058260-A1 · Feb 20, 2025 · US
Casting shell for a casting device and method for manufacturing a filter element
US-2025018616-A1 · Jan 16, 2025 · US
Filter element, housing for a filter system, and filter system comprising a filter element and a housing
US-2024382885-A1 · Nov 21, 2024 · US
Filter system having a primary and a secondary filter element and secondary filter element for such a filter system
US-12134061-B2 · Nov 5, 2024 · US
Filter element, housing for a filter system, and filter system comprising a filter element and a housing
US-12070707-B2 · Aug 27, 2024 · US
Filter element, filter system comprising a filter element, and method
US-12011685-B2 · Jun 18, 2024 · US
Filter element and filter system having a filter element
US-11959443-B2 · Apr 16, 2024 · US
Filter element and filter system
US-11938434-B2 · Mar 26, 2024 · US
Round filter element, in particular for gas filtration
US-11938435-B2 · Mar 26, 2024 · US
Secondary Element and Filter System
US-2024042362-A1 · Feb 8, 2024 · US
Cover for a filter system, seal for a cover, and filter system comprising a cover
US-11857903-B2 · Jan 2, 2024 · US
Filter element, in particular for gas filtration
US-11833462-B2 · Dec 5, 2023 · US
Round filter element, in particular for gas filtration
US-11633686-B2 · Apr 25, 2023 · US
Filter element, housing for a filter system, and filter system comprising a filter element and a housing
US-2023118296-A1 · Apr 20, 2023 · US
Filter system having a primary and a secondary filter element and secondary filter element for such a filter system
US-2022118397-A1 · Apr 21, 2022 · US
Round filter element, in particular for gas filtration
US-11247159-B2 · Feb 15, 2022 · US
Secondary element for a filter system and filter system with a secondary element
US-11192057-B2 · Dec 7, 2021 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Mann & Hummel Gmbh | 95 |
| Mann Humel Gmbh | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B01D46/0005 | 56 |
| B01D46/2414 | 49 |
| B01D46/521 | 42 |
| F02M35/02416 | 41 |
| B01D2265/06 | 37 |