Inventor · disambiguated record
D. Emil Johnson
Also filed as: JOHNSON D EMIL
6 granted patents·331 citations·filing 1980–1988
86Inventor score
Files withMOBIL OIL CORP6
Top patents by PatentIndex Score
6 records- 0195US4424287APolymer foam processMOBIL OIL CORP·Filed 1981·Granted Jan 3, 1984·144 cites·28 claims
- 0294US4344710APolymer foam extrusion systemMOBIL OIL CORP·Filed 1980·Granted Aug 17, 1982·100 cites·5 claims
- 0385US4470938AMethod and apparatus for extrusion of thermoplastic foamMOBIL OIL CORP·Filed 1982·Granted Sep 11, 1984·51 cites·13 claims
- 0468US4842788AProcess of an apparatus for extruding a meltable compositionMOBIL OIL CORP·Filed 1988·Granted Jun 27, 1989·19 cites·13 claims
- 0543US4832889AVaulted screw/grooved barrel extrusion machine, method and systemMOBIL OIL CORP·Filed 1988·Granted May 23, 1989·11 cites·13 claims
- 0633US4352893AProduction of foamed polymerMOBIL OIL CORP·Filed 1980·Granted Oct 5, 1982·6 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →