Assignee

HAUGEN DAVID JAMES

US·2 granted patents·25 citations·filing 2008–2010

Technology mixY02T2 F02B1 F02D1

Top patents by PatentIndex Score

2 records

0186US8061121B2Flex fuel internal combustion engine systemHAUGEN DAVID JAMES·Filed 2008·Granted Nov 22, 2011·23 cites·5 claims
0259US8272356B2Two mode dual crankshaft engineHAUGEN DAVID JAMES·Filed 2010·Granted Sep 25, 2012·2 cites·11 claims

Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →