Hydrogen combustion engine and passenger car and commercial vehicle
US-12392266-B2 · Aug 19, 2025 · US
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Luven Christoph patents
Luven Christoph is listed as an inventor on 19 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Luven Christoph |
| Total patents | 19 |
| First publication | Feb 9, 2016 |
| Latest publication | Aug 19, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Hydrogen combustion engine and passenger car and commercial vehicle
US-2024229687-A1 · Jul 11, 2024 · US
Internal combustion engine with at least one hollow-head valve
US-11828207-B2 · Nov 28, 2023 · US
Method for producing a hollow valve
US-11247284-B2 · Feb 15, 2022 · US
Gas exchange valve for an internal combustion engine
US-11174763-B2 · Nov 16, 2021 · US
Gas exchange valve for an internal combustion engine
US-2020362734-A1 · Nov 19, 2020 · US
Internal combustion engine with at least one hollow-head valve
US-2020232354-A1 · Jul 23, 2020 · US
Gas exchange valve for an internal combustion engine
US-2019136982-A1 · May 9, 2019 · US
Method for manufacturing a valve
US-2019030658-A1 · Jan 31, 2019 · US
Method for the ultrasonic measurement of a wall thickness in hollow valves
US-10139222-B2 · Nov 27, 2018 · US
Recent patents
Latest publications not already listed above.
Method for producing a hollow valve
US-2017348782-A1 · Dec 7, 2017 · US
Device for producing at least one hollow valve
US-9828892-B2 · Nov 28, 2017 · US
Piston
US-9790889-B2 · Oct 17, 2017 · US
Metallic hollow valve for an internal combustion engine of a utility motor vehicle
US-2017204752-A1 · Jul 20, 2017 · US
Gas exchange valve of an internal combustion engine
US-9611766-B2 · Apr 4, 2017 · US
Method for the ultrasonic measurement of a wall thickness in hollow valves
US-2016349047-A1 · Dec 1, 2016 · US
Method for producing a built hollow valve
US-9382820-B2 · Jul 5, 2016 · US
Device for producing at least one hollow valve
US-2016186621-A1 · Jun 30, 2016 · US
Metallic hollow valve
US-9255559-B2 · Feb 9, 2016 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Mahle Int Gmbh | 19 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F01L3/14 | 12 |
| F01L3/20 | 12 |
| F01L3/04 | 7 |
| F01L2303/00 | 7 |
| B23P15/002 | 7 |