Inventor
Stefan Kellermann
Inventor
Barsinghausen, DE
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Lprimary
F01LCyclically operating valves for machines or engines57%
F16KValves29%
F01PCooling of machines or engines in general14%
PatentTitleYear
11,035,261Inside-cooled disc valve and a semi-finished product and method for its production202111,035,262Internally cooled poppet valve for internal combustion engine20216,684,829'Device to actuate a gas shuttle valve in an internal combustion engine'20046,675,757'Intake valve for an internal combustion machine'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004Patents assigned to TRW DEUTSCHLAND GMBH (2)· patent assignee history
2004–2021Based in Barsinghausen, DE· patent location history
2021Patents assigned to FEDERAL MOGUL VALVETRAIN GMBH (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FEDERAL MOGUL VALVETRAIN GMBH | 2 | 2021 |
| TRW DEUTSCHLAND GMBH | 2 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Barsinghausen, DE | 4 | 2004–2021 |