Assignee
HPD LLC
US·8 granted patents·1 pending application·117 citations·filing 2008–2011
Top patents by PatentIndex Score
9 records- 0192US7597144B2Process for recovering heavy oil utilizing one or more membranesHPD LLC·Filed 2008·Granted Oct 6, 2009·25 cites·40 claims
- 0291US8047287B2Process for recovering heavy oil utilizing one or more membranesHPD LLC·Filed 2011·Granted Nov 1, 2011·13 cites·25 claims
- 0386US8052763B2Method for removing dissolved solids from aqueous waste streamsHPD LLC·Filed 2008·Granted Nov 8, 2011·24 cites·29 claims
- 0478US7909098B2Process for recovering heavy oil utilizing one or more membranesHPD LLC·Filed 2009·Granted Mar 22, 2011·8 cites·25 claims
- 0572US7591311B2Process for recovering heavy oilHPD LLC·Filed 2008·Granted Sep 22, 2009·14 cites·16 claims
- 0672US7578345B2Process for recovering heavy oil using multiple effect evaporationHPD LLC·Filed 2008·Granted Aug 25, 2009·7 cites·25 claims
- 0769US7686079B2Method for removing silica from evaporator concentrateHPD LLC·Filed 2008·Granted Mar 30, 2010·17 cites·30 claims
- 0864US7905283B2Process for removing silica in heavy oil recoveryHPD LLC·Filed 2008·Granted Mar 15, 2011·9 cites·24 claims
- 0948US2010059434A1Abrasion Resistant Membrane Structure and Method of Forming the SameHPD LLC·Filed 2009·Application pending·0 cites
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →