WK

William B. Kerfoot

TH Thinkvillage-Kerfoot: 18 patents #1 of 2Top 50%
📍 Falmouth, MA: #2 of 135 inventorsTop 2%
🗺 Massachusetts: #966 of 88,656 inventorsTop 2%
Overall (All Time): #46,218 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 1–25 of 55 patents

Patent #TitleCo-InventorsDate
9694401 Method and apparatus for treating perfluoroalkyl compounds 2017-07-04
9266073 Treatment for recycling fracture water—gas and oil recovery in shale deposits 2016-02-23
8906241 Enhanced reactive ozone 2014-12-09
8771507 Directional microporous diffuser and directional sparging 2014-07-08
8678354 Nano-bubble generator and treatments 2014-03-25
8573303 Treatment for recycling fracture water—gas and oil recovery in shale deposits 2013-11-05
8557110 Groundwater and subsurface remediation 2013-10-15
8302939 Soil and water remediation system and method 2012-11-06
8225856 Treatment for recycling fracture water—gas and oil recovery in shale deposits 2012-07-24
RE43350 Microporous diffusion apparatus 2012-05-08
8016041 Treatment for recycling fracture water gas and oil recovery in shale deposits 2011-09-13
7666313 Groundwater and subsurface remediation 2010-02-23
7666316 Permanganate-coated ozone for groundwater and soil treatment with in-situ oxidation 2010-02-23
7661657 Deep well sparging 2010-02-16
7651611 Directional microporous diffuser and directional sparging 2010-01-26
7648640 Directional microporous diffuser and directional sparging 2010-01-19
7645384 Environmental remediation method using ozonophilic bacteria within a liquid coating of bubbles 2010-01-12
7645380 Microporous diffusion apparatus 2010-01-12
7621696 Directional microporous diffuser and directional sparging Richard H. Jones 2009-11-24
7572368 Water treatment apparatus 2009-08-11
7569140 Directional spargewell system 2009-08-04
7547388 Superoxidant poiser for groundwater and soil treatment with in-situ oxidation-reduction and acidity-basicity adjustment 2009-06-16
7537706 Microporous diffusion apparatus 2009-05-26
7451965 Deep well sparging 2008-11-18
7442313 Environmental remediation method and system 2008-10-28