Inventor · disambiguated record
David L. Hagen
Also filed as: HAGEN DAVID · HAGEN DAVID L · HAGEN DAVID LEROY
22 granted patents·4 pending applications·949 citations·filing 2003–2015
96Inventor score
Files withHAGEN DAVID L7HAGEN DAVID LEROY3VAST POWER PORTFOLIO LLC3CAMPBELL PAUL ANDREW2ECKWIELEN BRADLEY LEE2
Top patents by PatentIndex Score
26 records- 0197US8262343B2Wet compression apparatus and methodHAGEN DAVID L·Filed 2006·Granted Sep 11, 2012·75 cites·20 claims
- 0296US7523603B2Trifluid reactorVAST POWER PORTFOLIO LLC·Filed 2004·Granted Apr 28, 2009·216 cites·30 claims
- 0395US8475160B2Low emissions combustion apparatus and methodCAMPBELL PAUL ANDREW·Filed 2010·Granted Jul 2, 2013·89 cites·25 claims
- 0495US8302903B2Aircraft attitude control configurationMORGAN BRIAN HERMAN·Filed 2011·Granted Nov 6, 2012·40 cites·20 claims
- 0595US8192688B2Trifluid reactorHAGEN DAVID L·Filed 2009·Granted Jun 5, 2012·50 cites·71 claims
- 0695US7788897B2Low emissions combustion apparatus and methodVAST POWER PORTFOLIO LLC·Filed 2005·Granted Sep 7, 2010·78 cites·25 claims
- 0794US7416137B2Thermodynamic cycles using thermal diluentVAST POWER SYSTEMS INC·Filed 2004·Granted Aug 26, 2008·172 cites·101 claims
- 0893US7814975B2Heavy oil recovery with fluid water and carbon dioxideVAST POWER PORTFOLIO LLC·Filed 2008·Granted Oct 19, 2010·84 cites·46 claims
- 0992US8631657B2Thermodynamic cycles with thermal diluentHAGEN DAVID L·Filed 2006·Granted Jan 21, 2014·35 cites·96 claims
- 1091US8136740B2Thermodynamic cycles using thermal diluentHAGEN DAVID L·Filed 2008·Granted Mar 20, 2012·24 cites·13 claims
- 1190US7581696B2Aircraft attitude control configurationMORGAN AIRCRAFT LLC·Filed 2006·Granted Sep 1, 2009·30 cites·18 claims
- 1288US8074925B2Aircraft attitude control configurationMORGAN BRIAN HERMAN·Filed 2009·Granted Dec 13, 2011·20 cites·20 claims
- 1377US7911406B2Modular digital UHF/VHF antennaECKWIELEN BRADLEY LEE·Filed 2007·Granted Mar 22, 2011·14 cites·39 claims
- 1476US7626557B2Digital UHF/VHF antennaECKWIELEN BRADLEY LEE·Filed 2007·Granted Dec 1, 2009·14 cites·42 claims
- 1572US9303493B2Method and apparatus for strain relief in thermal liners for fluid transferHAGEN DAVID L·Filed 2010·Granted Apr 5, 2016·4 cites·33 claims
- 1654US8613598B2Wet compression apparatus and methodHAGEN DAVID L·Filed 2012·Granted Dec 24, 2013·0 cites·20 claims
- 1752US9777923B2Low emissions combustion apparatus and methodCAMPBELL PAUL ANDREW·Filed 2013·Granted Oct 3, 2017·0 cites·25 claims
- 1852US8162568B2Thermogenerator to remediate contaminated sitesGOHEEN BILL·Filed 2006·Granted Apr 24, 2012·2 cites·39 claims
- 1944US2015129208A1Calciner enhanced oil recoveryHAGEN DAVID LEROY·Filed 2014·Application pending·0 cites
- 2042US9586827B2CO2 producing calcinerHAGEN DAVID LEROY·Filed 2014·Granted Mar 7, 2017·0 cites·15 claims
- 2142US8561702B2Hot fluid recovery of heavy oil with steam and carbon dioxideWYLIE IAN·Filed 2008·Granted Oct 22, 2013·2 cites·70 claims
- 2241US9254729B2Partial load combustion cyclesMCGUIRE L ALLAN·Filed 2008·Granted Feb 9, 2016·0 cites·35 claims
- 2341US2016258263A1Solar Calciner Enhanced Oil RecoveryHAGEN DAVID LEROY·Filed 2015·Application pending·0 cites
- 2440US9441464B2Bendable strain relief fluid filter liner, method and apparatusHAGEN DAVID L·Filed 2011·Granted Sep 13, 2016·0 cites·33 claims
- 2537US2005056313A1Method and apparatus for mixing fluidsFiled 2003·Application pending·0 cites
- 2632US2004244382A1Distributed direct fluid contactorFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →