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KERFOOT WILLIAM B

Overview
  • Total Patents
    37
  • GoodIP Patent Rank
    216,313
About

KERFOOT WILLIAM B has a total of 37 patent applications. Its first patent ever was published in 1973. It filed its patents most often in United States, Canada and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets environmental technology, chemical engineering and civil engineering are KERFOOT WILLIAM, APTWATER INC and OHKI AKIYOSHI.

Patent filings in countries

World map showing KERFOOT WILLIAM Bs patent filings in countries

Patent filings per year

Chart showing KERFOOT WILLIAM Bs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kerfoot William B 37
#2 Vaccaro Ralph F 2

Latest patents

Publication Filing date Title
US2015123295A1 Treatment for recycling fracture water—gas and oil recovery in shale deposits
USRE43350E Microporous diffusion apparatus
US2011241230A1 Nano-bubble generator and treatments
US2010116725A1 Groundwater and subsurface remediation
US2010078372A1 Soil and water remediation system and method
US2009304449A1 Directional microporous diffuser and directional sparging
US2009272697A1 Superoxidant Poiser For Groundwater And Soil Treatment With In-Situ Oxidation-Reduction And Acidity-Basicity Adjustment
US2008237141A1 Treatment for recycling fracture water gas and oil recovery in shale deposits
US2008061006A1 Enhanced reactive ozone
US2007272623A1 Multi-zone ground water and soil treatment
US2006198704A1 Sparge broadcasting in fracture rock
US7022241B2 Gas-gas-water treatment system for groundwater and soil remediation
US7213642B2 Multi-fluid sparging
CA2515896A1 Deep well sparging
US2006175720A1 Directional microporous diffuser and directional sparging
CA2416205A1 Apparatus and methods for subsidence deepening
US3877878A Analytic device and method for monitoring heavy metals in natural waters