Inventor · disambiguated record
Fred M. Long
Also filed as: LONG FRED M
4 granted patents·55 citations·filing 1974–1992
77Inventor score
Technology areasB01J
Files withEXXON RESEARCH ENGINEERING CO4
Top patents by PatentIndex Score
4 records- 0170US5258567ADehydrogenation of hydrocarbonsEXXON RESEARCH ENGINEERING CO·Filed 1992·Granted Nov 2, 1993·28 cites·19 claims
- 0253US3993601AProcess for preparing a heavy crude conversion catalystEXXON RESEARCH ENGINEERING CO·Filed 1974·Granted Nov 23, 1976·11 cites·19 claims
- 0345US5340657APillared micasEXXON RESEARCH ENGINEERING CO·Filed 1992·Granted Aug 23, 1994·9 cites·17 claims
- 0442US3989645AProcess for preparing a heavy crude conversion catalystEXXON RESEARCH ENGINEERING CO·Filed 1974·Granted Nov 2, 1976·7 cites·52 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →