Assignee
GRAF JOHANN
DE·4 granted patents·5 citations·filing 2011–2012
Top patents by PatentIndex Score
4 records- 0179US8915127B2Method and apparatus for diagnosing a coolant pump for an internal combustion engineGRAF JOHANN·Filed 2011·Granted Dec 23, 2014·5 cites·11 claims
- 0249US9903255B2Coolant circuit for an internal combustion engine and method of operating a coolant circuitGRAF JOHANN·Filed 2012·Granted Feb 27, 2018·0 cites·5 claims
- 0331US8569908B2Hybrid vehicle with immobilizerGRAF JOHANN·Filed 2011·Granted Oct 29, 2013·0 cites·7 claims
- 0429US8589010B2Method for operating drive control units in a motor vehicle, and motor vehicleGRAF JOHANN·Filed 2011·Granted Nov 19, 2013·0 cites·15 claims
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