Individual holder
KERFOOT WILLIAM B
US·20 granted patents·4 pending applications·458 citations·filing 2003–2014
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
24 records- 0199US8573303B2Treatment for recycling fracture water—gas and oil recovery in shale depositsKERFOOT WILLIAM B·Filed 2012·Granted Nov 5, 2013·77 cites·18 claims
- 0298US7131638B2Deep well spargingKERFOOT WILLIAM B·Filed 2005·Granted Nov 7, 2006·41 cites·29 claims
- 0396US8225856B2Treatment for recycling fracture water—gas and oil recovery in shale depositsKERFOOT WILLIAM B·Filed 2011·Granted Jul 24, 2012·11 cites·19 claims
- 0496US7156984B2Environmental remediation apparatusKERFOOT WILLIAM B·Filed 2004·Granted Jan 2, 2007·53 cites·10 claims
- 0596US6984329B2Coated microbubbles for treating an aquifer or soil formationsKERFOOT WILLIAM B·Filed 2004·Granted Jan 10, 2006·42 cites·19 claims
- 0694US8678354B2Nano-bubble generator and treatmentsKERFOOT WILLIAM B·Filed 2010·Granted Mar 25, 2014·16 cites·26 claims
- 0794US7326002B2Sparge broadcasting in fracture rockKERFOOT WILLIAM B·Filed 2005·Granted Feb 5, 2008·28 cites·27 claims
- 0893US7264747B2Coated microbubbles for treating an aquifer or soil formationsKERFOOT WILLIAM B·Filed 2006·Granted Sep 4, 2007·28 cites·21 claims
- 0993US7033492B2Groundwater and subsurface remediationKERFOOT WILLIAM B·Filed 2003·Granted Apr 25, 2006·41 cites·27 claims
- 1091US8016041B2Treatment for recycling fracture water gas and oil recovery in shale depositsKERFOOT WILLIAM B·Filed 2008·Granted Sep 13, 2011·14 cites·23 claims
- 1191US7022241B2Gas-gas-water treatment system for groundwater and soil remediationKERFOOT WILLIAM B·Filed 2004·Granted Apr 4, 2006·47 cites·12 claims
- 1287US8906241B2Enhanced reactive ozoneKERFOOT WILLIAM B·Filed 2006·Granted Dec 9, 2014·7 cites·15 claims
- 1386US7300039B2Environmental remediation method and apparatusKERFOOT WILLIAM B·Filed 2004·Granted Nov 27, 2007·23 cites·18 claims
- 1479US8302939B2Soil and water remediation system and methodKERFOOT WILLIAM B·Filed 2009·Granted Nov 6, 2012·7 cites·19 claims
- 1578USRE43350EMicroporous diffusion apparatusKERFOOT WILLIAM B·Filed 2010·Granted May 8, 2012·2 cites·45 claims
- 1674US9266073B2Treatment for recycling fracture water—gas and oil recovery in shale depositsKERFOOT WILLIAM B·Filed 2013·Granted Feb 23, 2016·2 cites·19 claims
- 1768US8557110B2Groundwater and subsurface remediationKERFOOT WILLIAM B·Filed 2010·Granted Oct 15, 2013·3 cites·15 claims
- 1867US7213642B2Multi-fluid spargingKERFOOT WILLIAM B·Filed 2004·Granted May 8, 2007·10 cites·31 claims
- 1966US2015151993A1Enhanced Reactive ZoneKERFOOT WILLIAM B·Filed 2014·Application pending·0 cites
- 2061US7401767B2Directional microporous diffuser and directional spargingKERFOOT WILLIAM B·Filed 2003·Granted Jul 22, 2008·6 cites·21 claims
- 2160US2009272697A1Superoxidant Poiser For Groundwater And Soil Treatment With In-Situ Oxidation-Reduction And Acidity-Basicity AdjustmentKERFOOT WILLIAM B·Filed 2009·Application pending·0 cites
- 2259US2014339143A1Nano-bubble Generator and TreatmentsKERFOOT WILLIAM B·Filed 2014·Application pending·0 cites
- 2347US2007272623A1Multi-zone ground water and soil treatmentKERFOOT WILLIAM B·Filed 2006·Application pending·0 cites
- 2443US8771507B2Directional microporous diffuser and directional spargingKERFOOT WILLIAM B·Filed 2009·Granted Jul 8, 2014·0 cites·17 claims
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