Inventor · disambiguated record
David James Haugen
Also filed as: HAUGEN DAVID J · HAUGEN DAVID JAMES · HAUGEN DAVID M
12 granted patents·3 pending applications·328 citations·filing 1999–2011
92Inventor score
Files withDEERE & CO3HAUGEN DAVID JAMES2US ENVIRONMENT2US ENVIRONMENTAL PROTECTION2BRUSSLAR MATTHEW J1
Top patents by PatentIndex Score
15 records- 0197US7681394B2Control methods for low emission internal combustion systemUS ENVIRONMENTAL PROTECTION·Filed 2006·Granted Mar 23, 2010·101 cites·19 claims
- 0295US6857263B2Low emission diesel combustion system with low charge-air oxygen concentration levels and high fuel injection pressuresUS ENVIRONMENT·Filed 2003·Granted Feb 22, 2005·69 cites·55 claims
- 0394US7644585B2Multi-stage turbocharging system with efficient bypassUS ENVIRONMENTAL PROTECTION·Filed 2005·Granted Jan 12, 2010·29 cites·21 claims
- 0491US6279516B1Cylinder head with two-plane water jacketDEERE & CO·Filed 2000·Granted Aug 28, 2001·38 cites·13 claims
- 0586US8061121B2Flex fuel internal combustion engine systemHAUGEN DAVID JAMES·Filed 2008·Granted Nov 22, 2011·23 cites·5 claims
- 0675US9032723B2Hydraulic hybrid vehicle with safe and efficient hydrostatic operationHAUGEN DAVID J·Filed 2011·Granted May 19, 2015·7 cites·5 claims
- 0772US8387385B2Efficient bypass valve for multi-stage turbocharging systemGRAY JR CHARLES L·Filed 2005·Granted Mar 5, 2013·7 cites·31 claims
- 0872US6213091B1Engine compression brake systemDEERE & CO·Filed 2000·Granted Apr 10, 2001·13 cites·7 claims
- 0969US8100221B2Engine-off power steering systemSTUHLDREHER MARK SPENCER·Filed 2007·Granted Jan 24, 2012·9 cites·1 claims
- 1067US6216668B1Engine performance measuring methodDEERE & CO·Filed 1999·Granted Apr 17, 2001·26 cites·12 claims
- 1166US7861525B2Dual volute turbochargerUS ENVIRONMENT·Filed 2008·Granted Jan 4, 2011·4 cites·12 claims
- 1259US8272356B2Two mode dual crankshaft engineHAUGEN DAVID JAMES·Filed 2010·Granted Sep 25, 2012·2 cites·11 claims
- 1345US2008230041A1High efficiency alcohol fuel engineBRUSSLAR MATTHEW J·Filed 2008·Application pending·0 cites
- 1441US2012000725A1Engine-Off Power Steering SystemSTUHLDREHER MARK·Filed 2011·Application pending·0 cites
- 1540US2006196539A1Reversible rupture disk apparatus and methodRASKA NATHAN C·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →