Inventor
MCCOLLUM JOHN D
15 patents
⚠️ This page may combine multiple inventors who share the name “MCCOLLUM JOHN D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
STANDARD OIL CO INDIANA
11 patentsUS4151068AApr 24, 1979
Process for recovering and upgrading hydrocarbons from oil shale
STANDARD OIL CO INDIANA128 citations96
US4005005AJan 25, 1977
Process for recovering and upgrading hydrocarbons from tar sands
STANDARD OIL CO INDIANA63 citations96
US3989618ANov 2, 1976
Process for upgrading a hydrocarbon fraction
STANDARD OIL CO INDIANA68 citations96
US3988238AOct 26, 1976
Process for recovering upgraded products from coal
STANDARD OIL CO INDIANA48 citations92
US3983028ASep 28, 1976
Process for recovering upgraded products from coal
STANDARD OIL CO INDIANA41 citations92
US3983027ASep 28, 1976
Process for recovering upgraded products from coal
STANDARD OIL CO INDIANA31 citations82
US4199026AApr 22, 1980
Method for detecting underground conditions
STANDARD OIL CO INDIANA14 citations73
US4668380AMay 26, 1987
Method for treating shale
STANDARD OIL CO INDIANA11 citations72
US4584088AApr 22, 1986
Method for treating shale
STANDARD OIL CO INDIANA14 citations72
US4210867AJul 1, 1980
Induction coil method for detecting underground flame fronts
STANDARD OIL CO INDIANA4 citations63
US4266608AMay 12, 1981
Method for detecting underground conditions
STANDARD OIL CO INDIANA3 citations62
STANDARD OIL CO
4 patentsUS3960706AJun 1, 1976
Process for upgrading a hydrocarbon fraction
STANDARD OIL CO177 citations99
US3948755AApr 6, 1976
Process for recovering and upgrading hydrocarbons from oil shale and tar sands
STANDARD OIL CO306 citations99
US3960708AJun 1, 1976
Process for upgrading a hydrocarbon fraction
STANDARD OIL CO144 citations96
US3948754AApr 6, 1976
Process for recovering and upgrading hydrocarbons from oil shale and tar sands
STANDARD OIL CO83 citations96