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 26–50 of 55 patents

Patent #TitleCo-InventorsDate
7401767 Directional microporous diffuser and directional sparging 2008-07-22
7326002 Sparge broadcasting in fracture rock 2008-02-05
7300039 Environmental remediation method and apparatus 2007-11-27
7264747 Coated microbubbles for treating an aquifer or soil formations 2007-09-04
7213642 Multi-fluid sparging 2007-05-08
7156984 Environmental remediation apparatus 2007-01-02
7131638 Deep well sparging 2006-11-07
7033492 Groundwater and subsurface remediation 2006-04-25
7022241 Gas-gas-water treatment system for groundwater and soil remediation 2006-04-04
6984329 Coated microbubbles for treating an aquifer or soil formations 2006-01-10
6913251 Deep well sparging 2005-07-05
6872318 Microporous diffusion apparatus 2005-03-29
6827861 Gas-gas-water treatment system for groundwater and soil remediation 2004-12-07
6817119 Apparatus and methods for subsidence deepening 2004-11-16
6805798 Environmental remediation method and apparatus 2004-10-19
6780329 Treating an aquifer or soil formations 2004-08-24
6596161 Laminated microporous diffuser 2003-07-22
6582611 Groundwater and subsurface remediation 2003-06-24
6447676 Springbox for water remediation 2002-09-10
6436285 Laminated microporous diffuser 2002-08-20
6312605 Gas-gas-water treatment for groundwater and soil remediation 2001-11-06
6306296 Groundwater and soil remediation with microporous diffusion apparatus 2001-10-23
6284143 Microporous diffusion apparatus 2001-09-04
6083407 Microporous diffusion apparatus 2000-07-04
5855775 Microporous diffusion apparatus 1999-01-05