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USPTO Patent Rankings Data through Sept 30, 2025
WK

William B. Kerfoot

Falmouth, MA: #5 of 15 inventorsTop 35%
Massachusetts: #2,865 of 9,131 inventorsTop 35%
Overall (2011): #130,917 of 364,097Top 40%
1 Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8016041 Treatment for recycling fracture water gas and oil recovery in shale deposits 2011-09-13