Inventor · disambiguated record
William B. Kerfoot
Also filed as: KERFOOT WILLIAM B
56 granted patents·7 pending applications·1,654 citations·filing 1977–2020
99Inventor score
Files withKERFOOT WILLIAM B24THINKVILLAGE KERFOOT LLC14KV ASSOC INC4KERFOOT TECH INC2ABRAMS RICHARD1
Top patents by PatentIndex Score
63 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
- 0397US9694401B2Method and apparatus for treating perfluoroalkyl compoundsTHINKVILLAGE-KERFOOT LLC·Filed 2013·Granted Jul 4, 2017·17 cites·36 claims
- 0497US6596161B2Laminated microporous diffuserFiled 2002·Granted Jul 22, 2003·55 cites·17 claims
- 0597US6582611B1Groundwater and subsurface remediationFiled 2000·Granted Jun 24, 2003·82 cites·27 claims
- 0696US8225856B2Treatment for recycling fracture water—gas and oil recovery in shale depositsKERFOOT WILLIAM B·Filed 2011·Granted Jul 24, 2012·11 cites·19 claims
- 0796US7156984B2Environmental remediation apparatusKERFOOT WILLIAM B·Filed 2004·Granted Jan 2, 2007·53 cites·10 claims
- 0896US6984329B2Coated microbubbles for treating an aquifer or soil formationsKERFOOT WILLIAM B·Filed 2004·Granted Jan 10, 2006·42 cites·19 claims
- 0995US6805798B2Environmental remediation method and apparatusFiled 2001·Granted Oct 19, 2004·52 cites·28 claims
- 1095US5855775AMicroporous diffusion apparatusFiled 1996·Granted Jan 5, 1999·107 cites·9 claims
- 1194US8678354B2Nano-bubble generator and treatmentsKERFOOT WILLIAM B·Filed 2010·Granted Mar 25, 2014·16 cites·26 claims
- 1294US7326002B2Sparge broadcasting in fracture rockKERFOOT WILLIAM B·Filed 2005·Granted Feb 5, 2008·28 cites·27 claims
- 1394US6872318B2Microporous diffusion apparatusFiled 2001·Granted Mar 29, 2005·54 cites·49 claims
- 1494US6436285B1Laminated microporous diffuserFiled 1999·Granted Aug 20, 2002·63 cites·37 claims
- 1594US6312605B1Gas-gas-water treatment for groundwater and soil remediationFiled 1997·Granted Nov 6, 2001·100 cites·29 claims
- 1693US7264747B2Coated microbubbles for treating an aquifer or soil formationsKERFOOT WILLIAM B·Filed 2006·Granted Sep 4, 2007·28 cites·21 claims
- 1793US7033492B2Groundwater and subsurface remediationKERFOOT WILLIAM B·Filed 2003·Granted Apr 25, 2006·41 cites·27 claims
- 1893US6083407AMicroporous diffusion apparatusFiled 1998·Granted Jul 4, 2000·76 cites·24 claims
- 1992US6827861B2Gas-gas-water treatment system for groundwater and soil remediationFiled 2001·Granted Dec 7, 2004·53 cites·32 claims
- 2092US6284143B1Microporous diffusion apparatusFiled 2000·Granted Sep 4, 2001·40 cites·24 claims
- 2191US8016041B2Treatment for recycling fracture water gas and oil recovery in shale depositsKERFOOT WILLIAM B·Filed 2008·Granted Sep 13, 2011·14 cites·23 claims
- 2291US7022241B2Gas-gas-water treatment system for groundwater and soil remediationKERFOOT WILLIAM B·Filed 2004·Granted Apr 4, 2006·47 cites·12 claims
- 2391US6913251B2Deep well spargingFiled 2003·Granted Jul 5, 2005·42 cites·28 claims
- 2491US4804050AMethod of underground fluid samplingKV ASSOC INC·Filed 1987·Granted Feb 14, 1989·108 cites·7 claims
- 2587US8906241B2Enhanced reactive ozoneKERFOOT WILLIAM B·Filed 2006·Granted Dec 9, 2014·7 cites·15 claims
- 2687US7666313B2Groundwater and subsurface remediationTHINKVILLAGE KERFOOT LLC·Filed 2006·Granted Feb 23, 2010·9 cites·17 claims
- 2787US7442313B2Environmental remediation method and systemTHINKVILLAGE KERFOOT LLC·Filed 2004·Granted Oct 28, 2008·26 cites·46 claims
- 2886US7300039B2Environmental remediation method and apparatusKERFOOT WILLIAM B·Filed 2004·Granted Nov 27, 2007·23 cites·18 claims
- 2985US6780329B2Treating an aquifer or soil formationsFiled 2003·Granted Aug 24, 2004·35 cites·26 claims
- 3082US7537706B2Microporous diffusion apparatusTHINKVILLAGE KERFOOT LLC·Filed 2004·Granted May 26, 2009·17 cites·59 claims
- 3179US8302939B2Soil and water remediation system and methodKERFOOT WILLIAM B·Filed 2009·Granted Nov 6, 2012·7 cites·19 claims
- 3279US5428908AApparatus and method for subsidence deepeningFiled 1993·Granted Jul 4, 1995·42 cites·13 claims
- 3379US4484626APneumatic packerKV ASSOC INC·Filed 1983·Granted Nov 27, 1984·57 cites·19 claims
- 3478USRE43350EMicroporous diffusion apparatusKERFOOT WILLIAM B·Filed 2010·Granted May 8, 2012·2 cites·45 claims
- 3578US7645380B2Microporous diffusion apparatusTHINKVILLAGE KERFOOT LLC·Filed 2008·Granted Jan 12, 2010·4 cites·20 claims
- 3677US4391137AGroundwater flow meterKV ASSOC INC·Filed 1981·Granted Jul 5, 1983·26 cites·20 claims
- 3776US6447676B1Springbox for water remediationFiled 1999·Granted Sep 10, 2002·39 cites·40 claims
- 3874US9266073B2Treatment for recycling fracture water—gas and oil recovery in shale depositsKERFOOT WILLIAM B·Filed 2013·Granted Feb 23, 2016·2 cites·19 claims
- 3974US7572368B2Water treatment apparatusTHINKVILLAGE KERFOOT LLC·Filed 2007·Granted Aug 11, 2009·2 cites·19 claims
- 4074US6306296B1Groundwater and soil remediation with microporous diffusion apparatusFiled 1998·Granted Oct 23, 2001·42 cites·41 claims
- 4171US7645384B2Environmental remediation method using ozonophilic bacteria within a liquid coating of bubblesTHINKVILLAGE KERFOOT LLC·Filed 2008·Granted Jan 12, 2010·3 cites·20 claims
- 4270US7661657B2Deep well spargingTHINKVILLAGE KERFOOT LLC·Filed 2008·Granted Feb 16, 2010·2 cites·21 claims
- 4369US7651611B2Directional microporous diffuser and directional spargingTHINKVILLAGE KERFOOT LLC·Filed 2006·Granted Jan 26, 2010·2 cites·24 claims
- 4468US8557110B2Groundwater and subsurface remediationKERFOOT WILLIAM B·Filed 2010·Granted Oct 15, 2013·3 cites·15 claims
- 4568US7648640B2Directional microporous diffuser and directional spargingTHINKVILLAGE KERFOOT LLC·Filed 2008·Granted Jan 19, 2010·2 cites·22 claims
- 4667US7213642B2Multi-fluid spargingKERFOOT WILLIAM B·Filed 2004·Granted May 8, 2007·10 cites·31 claims
- 4766US2015151993A1Enhanced Reactive ZoneKERFOOT WILLIAM B·Filed 2014·Application pending·0 cites
- 4865US7666316B2Permanganate-coated ozone for groundwater and soil treatment with in-situ oxidationTHINKVILLAGE KERFOOT LLC·Filed 2005·Granted Feb 23, 2010·1 cites·24 claims
- 4965US7569140B2Directional spargewell systemTHINKVILLAGE KERFOOT LLC·Filed 2005·Granted Aug 4, 2009·2 cites·21 claims
- 5065US6817119B2Apparatus and methods for subsidence deepeningFiled 2002·Granted Nov 16, 2004·13 cites·28 claims
Showing the top 50 of 63 patent records by PatentIndex Score.
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