Sealing element, annular filter element, oil separator, and method for controlling prevailing pressure in crankcase ventilation system
US-12467537-B2 · Nov 11, 2025 · US
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Ehrhardt Philipp patents
Ehrhardt Philipp is listed as an inventor on 9 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Ehrhardt Philipp |
| Total patents | 9 |
| First publication | Dec 1, 2016 |
| Latest publication | Nov 11, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Sealing Element, Annular Filter Element, Oil Separator, and Method for Controlling Prevailing Pressure in Crankcase Ventilation System
US-2024084896-A1 · Mar 14, 2024 · US
Sealing element, annular filter element, oil separator, and method for controlling prevailing pressure in crankcase ventilation system
US-11892078-B2 · Feb 6, 2024 · US
Sealing Element, Annular Filter Element, Oil Separator, and Method for Controlling Prevailing Pressure in Crankcase Ventilation System
US-2021164569-A1 · Jun 3, 2021 · US
Sealing element, annular filter element, oil separator, and method for opening filter housing of oil separator
US-10876631-B2 · Dec 29, 2020 · US
Filter element, oil separator, and method for controlling prevailing pressure in crankcase ventilation system
US-10865672-B2 · Dec 15, 2020 · US
Filter element, oil separator, and method for controlling prevailing pressure in crankcase ventilation system
US-10221736-B2 · Mar 5, 2019 · US
Filter Element, Oil Separator, and Method for Controlling Prevailing Pressure in Crankcase Ventilation System
US-2016348550-A1 · Dec 1, 2016 · US
Sealing Element, Annular Filter Element, Oil Separator, and Method for Opening Filter Housing of Oil Separator
US-2016348790-A1 · Dec 1, 2016 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Mann & Hummel Gmbh | 9 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B01D46/2411 | 9 |
| F01M13/04 | 9 |
| B01D2271/022 | 9 |
| B01D2271/027 | 9 |
| F01M2013/0438 | 9 |