Coated piston ring for an internal combustion engine
US-12578016-B2 · Mar 17, 2026 · US
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Irrgeher Marc patents
Irrgeher Marc is listed as an inventor on 5 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Irrgeher Marc |
| Total patents | 5 |
| First publication | Mar 11, 2021 |
| Latest publication | Mar 17, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Coated piston ring for an internal combustion engine
US-11906052-B2 · Feb 20, 2024 · US
Coated piston ring for an internal combustion engine
US-2022364643-A1 · Nov 17, 2022 · US
Coated piston ring for an internal combustion engine
US-11365806-B2 · Jun 21, 2022 · US
Coated piston ring for an internal combustion engine
US-2021071760-A1 · Mar 11, 2021 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Tenneco Inc | 4 |
| Fed Mogul Powertrain Llc | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C23C14/0641 | 5 |
| F16J9/26 | 5 |
| C23C28/042 | 3 |
| C23C28/04 | 3 |
| C23C28/044 | 3 |