Inventor
WEINGAERTNER DAVID A
US7 patents
Patents
7 patentsUS5193934AMar 16, 1993
In-situ thermal desorption of contaminated surface soil
SHELL OIL CO94 citations95
US5271693ADec 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
US5169263ADec 8, 1992
In-situ soil decontamination process with sub-surface vapor recovery
SHELL OIL CO44 citations92
US5012034AApr 30, 1991
Process for separating styrene from styrene-containing hydrocarbon streams
SHELL OIL CO24 citations92
US5233164AAug 3, 1993
Modified heater for in situ soil heating
SHELL OIL CO38 citations91
US5114497AMay 19, 1992
Soil decontamination
SHELL OIL CO92 citations91