Inventor · disambiguated record
Marvin F. L. Johnson
Also filed as: ERICKSON HENRY · JOHNSON MARVIN F · JOHNSON MARVIN F L
13 granted patents·258 citations·filing 1975–1995
92Inventor score
Files withATLANTIC RICHFIELD CO12
Top patents by PatentIndex Score
13 records- 0197US4629718AAlkali promoted manganese oxide compositions containing silica and/or alkaline earth oxidesATLANTIC RICHFIELD CO·Filed 1984·Granted Dec 16, 1986·89 cites·36 claims
- 0292US4202798APhosphorous-containing catalyst and method for preparing and using sameATLANTIC RICHFIELD CO·Filed 1978·Granted May 13, 1980·60 cites·8 claims
- 0377US4251350AHydrocarbon hydrotreating processATLANTIC RICHFIELD CO·Filed 1979·Granted Feb 17, 1981·25 cites·4 claims
- 0470US4547608AMethane conversion using a silica/magnesia supportATLANTIC RICHFIELD CO·Filed 1984·Granted Oct 15, 1985·9 cites·11 claims
- 0561US4305811AStabilized reforming catalystATLANTIC RICHFIELD CO·Filed 1980·Granted Dec 15, 1981·15 cites·2 claims
- 0652US4306963AStabilized reforming catalystATLANTIC RICHFIELD CO·Filed 1980·Granted Dec 22, 1981·10 cites·6 claims
- 0750US4613718AHydroxylated magnesia supportATLANTIC RICHFIELD CO·Filed 1984·Granted Sep 23, 1986·3 cites·13 claims
- 0850US4305810AStabilized reforming catalystATLANTIC RICHFIELD CO·Filed 1980·Granted Dec 15, 1981·13 cites·6 claims
- 0947US4311582AStabilized reforming catalystATLANTIC RICHFIELD CO·Filed 1980·Granted Jan 19, 1982·8 cites·6 claims
- 1043US4464249APlural stage reforming with catalysts having a skewed distribution of a platinum-group metal and rheniumATLANTIC RICHFIELD CO·Filed 1979·Granted Aug 7, 1984·6 cites·13 claims
- 1142US5566963AFloating pin fifth wheel hitchFiled 1995·Granted Oct 22, 1996·12 cites·10 claims
- 1236US4544786AMethane conversion using a magnesia/silica supportATLANTIC RICHFIELD CO·Filed 1984·Granted Oct 1, 1985·5 cites·12 claims
- 1333US3932270AMethod for determining hydrocarbon hydrotreating activity of a catalyst prior to its use in a hydrotreating processATLANTIC RICHFIELD CO·Filed 1975·Granted Jan 13, 1976·3 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →