Inventor
JOHNSON PAUL C
US17 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSON PAUL C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHELL OIL CO
8 patentsUS5076727ADec 31, 1991
In situ decontamination of spills and landfills by focussed microwave/radio frequency heating and a closed-loop vapor flushing and vacuum recovery system
SHELL OIL CO161 citations97
US5244310ASep 14, 1993
In-situ soil heating press/vapor extraction system
SHELL OIL CO87 citations96
US5193934AMar 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
US5233164AAug 3, 1993
Modified heater for in situ soil heating
SHELL OIL CO38 citations91
US5114497AMay 19, 1992
Soil decontamination
SHELL OIL CO92 citations91