Inventor
Ralf Schernewski
Inventor
Karlsruhe, DE
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Dprimary
F02DControlling combustion engines36%
Y02TClimate change mitigation technologies related to transportation29%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general21%
F02BInternal-combustion piston engines14%
PatentTitleYear
7,546,728'Method for operating a catalytic converter used for purifying the exhaust gas of an internal combustion engine and a device for implementing the method'20097,017,337'Method and device for controlling an exhaust gas aftertreatment system'20066,968,682'Method and device for controlling an internal combustion engine with an exhaust treatment system'20056,553,819'Device and method for determining the start of injection in a direct-injection internal combustion engine'20036,311,669'Method for determining the injection time in a direct-injection internal combustion engine'20016,302,083'Method for cylinder equalization in an internal combustion engine operating by direct injection'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2003Patents assigned to SIEMENS AG (3)· patent assignee history
2001–2009Based in Karlsruhe, DE· patent location history
2005–2009Patents assigned to BOSCH GMBH ROBERT (3)· patent assignee history
2005Based in Stuttgart, DE· patent location history
2006Based in Saint-Ouen Cedex, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BOSCH GMBH ROBERT | 3 | 2005–2009 |
| SIEMENS AG | 3 | 2001–2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Karlsruhe, DE | 4 | 2001–2009 |
| Saint-Ouen Cedex, DE | 1 | 2006 |
| Stuttgart, DE | 1 | 2005 |