Inventor · disambiguated record
Derik Ehresman
Also filed as: EHRESMAN DERIK · EHRESMAN DERIK T
7 granted patents·47 citations·filing 2009–2017
84Inventor score
Top patents by PatentIndex Score
7 records- 0191US8616273B2Effective solvent extraction system incorporating electromagnetic heatingTRAUTMAN MARK·Filed 2010·Granted Dec 31, 2013·19 cites·35 claims
- 0286US8128786B2RF heating to reduce the use of supplemental water added in the recovery of unconventional oilWHITE JOHN·Filed 2009·Granted Mar 6, 2012·15 cites·32 claims
- 0384US8776877B2Effective solvent extraction system incorporating electromagnetic heatingHARRIS CORP·Filed 2013·Granted Jul 15, 2014·6 cites·30 claims
- 0472US10082009B2Effective solvent extraction system incorporating electromagnetic heatingHARRIS CORP·Filed 2017·Granted Sep 25, 2018·1 cites·25 claims
- 0568US9739126B2Effective solvent extraction system incorporating electromagnetic heatingHARRIS CORP·Filed 2014·Granted Aug 22, 2017·2 cites·36 claims
- 0667US9273251B2RF heating to reduce the use of supplemental water added in the recovery of unconventional oilWHITE JOHN·Filed 2011·Granted Mar 1, 2016·1 cites·20 claims
- 0765US8101068B2Constant specific gravity heat minimizationWHITE JOHN·Filed 2009·Granted Jan 24, 2012·3 cites·18 claims
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