Filter element and filter system
US-2025367585-A1 · Dec 4, 2025 · US
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Hettkamp Philipp patents
Hettkamp Philipp is listed as an inventor on 37 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Hettkamp Philipp |
| Total patents | 37 |
| First publication | Mar 30, 2017 |
| Latest publication | Dec 4, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Filter element comprising at least two filter medium bodies
US-2025345734-A1 · Nov 13, 2025 · US
Gas filter system
US-2025276265-A1 · Sep 4, 2025 · US
Filter element comprising a filter medium folded in a zig-zag-shape with discontinuous end-edge bonding, and method for producing same
US-12390752-B2 · Aug 19, 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-2025214022-A1 · Jul 3, 2025 · US
Gas filter system
US-2025214018-A1 · Jul 3, 2025 · US
Gas filter system
US-2025214016-A1 · Jul 3, 2025 · US
Recent patents
Latest publications not already listed above.
Air filter element having a circumferentially protruding clean air seal, filter housing and air filter
US-12233369-B2 · Feb 25, 2025 · US
Round filter element and filter device
US-2024278162-A1 · Aug 22, 2024 · US
Round filter element and filter device
US-2024278163-A1 · Aug 22, 2024 · US
Round filter element for filtering gaseous fluid
US-2024278164-A1 · Aug 22, 2024 · US
Filter element and filter system
US-2024252970-A1 · Aug 1, 2024 · US
Filter element and filter system
US-2024252972-A1 · Aug 1, 2024 · US
Filter element and filter system
US-12036503-B2 · Jul 16, 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
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
Filter element comprising a filter medium folded in a zig-zag-shape with discontinuous end-edge bonding, and method for producing same
US-2023149842-A1 · May 18, 2023 · US
Round filter element, in particular for gas filtration
US-11633686-B2 · Apr 25, 2023 · US
Filter Element and Filter System
US-2022088528-A1 · Mar 24, 2022 · US
Round filter element, in particular for gas filtration
US-11247159-B2 · Feb 15, 2022 · US
Round Filter Element, in Particular for Gas Filtration
US-2021229017-A1 · Jul 29, 2021 · US
Filter Element, in Particular for Gas Filtration
US-2021205744-A1 · Jul 8, 2021 · US
Cover for a Filter System, Seal for a Cover, and Filter System Comprising a Cover
US-2021138380-A1 · May 13, 2021 · US
Air Filter Element Having a Circumferentially Protruding Clean Air Seal, Filter Housing and Air Filter
US-2021121807-A1 · Apr 29, 2021 · US
Round filter element, in particular for gas filtration
US-10946323-B2 · Mar 16, 2021 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Mann & Hummel Gmbh | 37 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B01D2271/027 | 25 |
| B01D46/521 | 25 |
| B01D46/2414 | 22 |
| B01D2279/60 | 19 |
| B01D46/0005 | 18 |