Inventor
Markus Duesmann
Inventor
Stolberg, DE
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Lprimary
F01LCyclically operating valves for machines or engines50%
F02DControlling combustion engines11%
Y02TClimate change mitigation technologies related to transportation11%
F02BInternal-combustion piston engines6%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof6%
F04BPositive-displacement machines for liquids6%
F16KValves6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
7,533,640'Combustion engine comprising a control cam'20097,249,597'Internal exhaust recirculation method for an internal combustion engine'20077,146,953'Mechanical valve play compensation element for a valve drive on a piston combustion engine'20067,040,267'Fully variable mechanical valve gear for a piston-type internal combustion engine'20066,834,628'Mechanical valve play compensation element for a valve drive on a piston combustion engine'20046,655,331'Piston-type internal-combustion engine having activatable, mechanically actuated cylinder valves'20036,652,400'Chain drive for driving two parallel shafts located close to each other'20036,425,356'Piston-type internal-combustion engine with throttle-free load control and a device for generating a vacuum, and method for operating the device'20026,422,185'Method for operating a piston-type internal-combustion engine in the event of a temporary functional failure of an electromagnetic valve train'20026,184,767'Electromagnetic actuator having a joint-supported resetting spring'20015,988,124'Electromagnetically actuated cylinder valve having pneumatic resetting springs'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999Patents assigned to FEV MOTORENTECH GMBH & CO KG (1)· patent assignee history
1999–2009Based in Stolberg, DE· patent location history
2001–2009Patents assigned to FEV MOTORENTECH GMBH (10)· patent assignee history
2007Based in Stuttgart, DE· patent location history
2009Patents assigned to MAHLE VENTILTRIEB GMBH (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FEV MOTORENTECH GMBH | 10 | 2001–2009 |
| FEV MOTORENTECH GMBH & CO KG | 1 | 1999 |
| MAHLE VENTILTRIEB GMBH | 1 | 2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Stolberg, DE | 10 | 1999–2009 |
| Stuttgart, DE | 1 | 2007 |