Inventor · disambiguated record
Willard H. Sawyer
Also filed as: SAWYER WILLARD H
26 granted patents·703 citations·filing 1974–1990
97Inventor score
Top patents by PatentIndex Score
26 records- 0194US4430442ACatalysts from molybdenum polysulfide precursors and their preparationEXXON RESEARCH ENGINEERING CO·Filed 1982·Granted Feb 7, 1984·75 cites·20 claims
- 0291US4542121ACatalysts from molybdenum polysulfide precursors, their preparation and useEXXON RESEARCH ENGINEERING CO·Filed 1984·Granted Sep 17, 1985·60 cites·11 claims
- 0390US4540481ACatalysts from molybdenum polysulfide precursors, their preparation and useEXXON RESEARCH ENGINEERING CO·Filed 1983·Granted Sep 10, 1985·54 cites·8 claims
- 0489US4016106APreparation of catalysts of predetermined pore size distribution and pore volumeEXXON RESEARCH ENGINEERING CO·Filed 1976·Granted Apr 5, 1977·50 cites·45 claims
- 0587US5037532ASlurry hydrotreating processEXXON RESEARCH ENGINEERING CO·Filed 1990·Granted Aug 6, 1991·51 cites·22 claims
- 0687US4952306ASlurry hydroprocessing processEXXON RESEARCH ENGINEERING CO·Filed 1989·Granted Aug 28, 1990·52 cites·16 claims
- 0784US4919786AProcess for the hydroisomerization of was to produce middle distillate products (OP-3403)EXXON RESEARCH ENGINEERING CO·Filed 1988·Granted Apr 24, 1990·47 cites·26 claims
- 0884US4255288AZirconia-containing catalystsEXXON RESEARCH ENGINEERING CO·Filed 1979·Granted Mar 10, 1981·29 cites·14 claims
- 0982US4900707AMethod for producing a wax isomerization catalystEXXON RESEARCH ENGINEERING CO·Filed 1988·Granted Feb 13, 1990·40 cites·13 claims
- 1075US4828676AProcess for the production of ultra high octane gasoline, and other fuels from aromatic hydrocrackatesEXXON RESEARCH ENGINEERING CO·Filed 1987·Granted May 9, 1989·32 cites·23 claims
- 1174US3977962AHeavy crude conversionEXXON RESEARCH ENGINEERING CO·Filed 1974·Granted Aug 31, 1976·23 cites·29 claims
- 1272US3985684AHeavy crude conversionEXXON RESEARCH ENGINEERING CO·Filed 1974·Granted Oct 12, 1976·21 cites·16 claims
- 1371US4923841ACatalyst for the hydroisomerization and hydrocracking of waxes to produce liquid hydrocarbon fuels and process for preparing the catalystEXXON RESEARCH ENGINEERING CO·Filed 1988·Granted May 8, 1990·24 cites·14 claims
- 1470US4828675AProcess for the production of ultra high octane gasoline, and other fuels from aromatic distillatesEXXON RESEARCH ENGINEERING CO·Filed 1987·Granted May 9, 1989·26 cites·37 claims
- 1567US4081406APreparation of catalysts of predetermined pore size distribution and pore volumeEXXON RESEARCH ENGINEERING CO·Filed 1976·Granted Mar 28, 1978·15 cites·30 claims
- 1666US4309278ACatalyst and hydroconversion process utilizing the sameEXXON RESEARCH ENGINEERING CO·Filed 1980·Granted Jan 5, 1982·17 cites·12 claims
- 1764US4326947AHydrocracking over alumina-aluminum fluorophosphate-containing catalystsEXXON RESEARCH ENGINEERING CO·Filed 1980·Granted Apr 27, 1982·17 cites·14 claims
- 1858US4277373AAlumina-aluminum fluorophosphate-containing catalystsEXXON RESEARCH ENGINEERING CO·Filed 1979·Granted Jul 7, 1981·11 cites·8 claims
- 1957US4081405APreparation of catalysts of predetermined pore size distribution and pore volumeEXXON RESEARCH ENGINEERING CO·Filed 1976·Granted Mar 28, 1978·10 cites·39 claims
- 2053US3993601AProcess for preparing a heavy crude conversion catalystEXXON RESEARCH ENGINEERING CO·Filed 1974·Granted Nov 23, 1976·11 cites·19 claims
- 2147US4276201ACatalyst and hydroconversion process utilizing the sameEXXON RESEARCH ENGINEERING CO·Filed 1980·Granted Jun 30, 1981·8 cites·9 claims
- 2247US3998722AHigh temperature hydroconversion without incompatibles formationMAYER FRANCIS X·Filed 1975·Granted Dec 21, 1976·9 cites·11 claims
- 2344US4344867AHydroprocessing catalystsEXXON RESEARCH ENGINEERING CO·Filed 1979·Granted Aug 17, 1982·6 cites·13 claims
- 2442US3989645AProcess for preparing a heavy crude conversion catalystEXXON RESEARCH ENGINEERING CO·Filed 1974·Granted Nov 2, 1976·7 cites·52 claims
- 2537US3993598AProcess for preparing a heavy crude conversion catalystEXXON RESEARCH ENGINEERING CO·Filed 1974·Granted Nov 23, 1976·5 cites·31 claims
- 2636US4016107APreparation of catalysts of predetermined pore size distribution and pore volumeEXXON RESEARCH ENGINEERING CO·Filed 1976·Granted Apr 5, 1977·3 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →