Formed filter media
US-12569797-B2 · Mar 10, 2026 · US
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Holm Christopher E patents
Holm Christopher E is listed as an inventor on 102 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Holm Christopher E |
| Total patents | 102 |
| First publication | Jan 29, 2015 |
| Latest publication | Mar 10, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Filter assemblies and elements utilizing multilayered and wrapped filter media
US-12515162-B2 · Jan 6, 2026 · US
Axial flow centrifugal separator
US-12303816-B2 · May 20, 2025 · US
Composite filter media with multiple fiber structures including nanofibers
US-12290772-B2 · May 6, 2025 · US
Methods of attaching a flat layer to a hub of an axial flow element
US-2024337206-A1 · Oct 10, 2024 · US
Chimney for impactor nozzles and integrated assembly
US-2024278161-A1 · Aug 22, 2024 · US
Axial flow centrifugal separator
US-2024269592-A1 · Aug 15, 2024 · US
Methods of attaching a flat layer to a hub of an axial flow element
US-12018601-B2 · Jun 25, 2024 · US
Systems and methods for rotating coalescers maintaining positive recirculation through a dynamic seal
US-2024173661-A1 · May 30, 2024 · US
Chimney for impactor nozzles and integrated assembly
US-11969683-B2 · Apr 30, 2024 · US
Recent patents
Latest publications not already listed above.
Rotating coalescing element with directed liquid drainage and gas outlet
US-11964224-B2 · Apr 23, 2024 · US
Axial flow centrifugal separator
US-11951431-B2 · Apr 9, 2024 · US
Filtration sealing system
US-2024082760-A1 · Mar 14, 2024 · US
Systems and methods for rotating coalescers maintaining positive recirculation through a dynamic seal
US-11918948-B2 · Mar 5, 2024 · US
Interrupted, directional emboss of flat sheet
US-11865488-B2 · Jan 9, 2024 · US
Expansion membrane assembly and filter head in exhaust fluid filter assembly
US-11857901-B2 · Jan 2, 2024 · US
Filtration sealing system
US-11833459-B2 · Dec 5, 2023 · US
High speed rotating crankcase ventilation filter media and media pack
US-11701606-B2 · Jul 18, 2023 · US
Utilizing a mechanical seal between a filter media and an endcap of a rotating filter cartridge
US-11654385-B2 · May 23, 2023 · US
Rotating Coalescing Element with Directed Liquid Drainage and Gas Outlet
US-2023036998-A1 · Feb 2, 2023 · US
Formed filter media
US-2023018748-A1 · Jan 19, 2023 · US
Axial flow centrifugal separator
US-2022387920-A1 · Dec 8, 2022 · US
Rotating coalescing element with directed liquid drainage and gas outlet
US-11504665-B2 · Nov 22, 2022 · US
Filter assemblies and elements utilizing multilayered and wrapped filter media
US-2022355235-A1 · Nov 10, 2022 · US
Interrupted, directional emboss of flat sheet
US-2022339574-A1 · Oct 27, 2022 · US
Filter element with flow directing permeability layers
US-2022314144-A1 · Oct 6, 2022 · US
Inside-out rotating coalescer with gas exit through hollow shaft
US-11448107-B2 · Sep 20, 2022 · US
Axial flow centrifugal separator
US-11446598-B2 · Sep 20, 2022 · US
Interrupted, directional emboss of flat sheet
US-11439943-B2 · Sep 13, 2022 · US
Filter element with tapered perimeter
US-11400405-B2 · Aug 2, 2022 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Cummins Filtration Ip Inc | 100 |
| Univ Minnesota | 4 |
| Holm Christopher E | 3 |
| Cummins Filtration Inc | 3 |
| Schwandt Brian W | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F01M13/04 | 51 |
| F01M2013/0438 | 46 |
| F01M2013/0422 | 38 |
| B01D45/14 | 28 |
| B01D46/10 | 27 |