Inventor
MARSDEN JR ARNOLD R
US4 patents
Patents
4 patentsUS5271693ADec 21, 1993
Enhanced deep soil vapor extraction process and apparatus for removing contaminants trapped in or below the water table
SHELL OIL CO92 citations94
US5221827AJun 22, 1993
Heater blanket for in-situ soil heating
SHELL OIL CO72 citations93
US5233164AAug 3, 1993
Modified heater for in situ soil heating
SHELL OIL CO38 citations91
US5114497AMay 19, 1992
Soil decontamination
SHELL OIL CO92 citations91