Inventor · disambiguated record
Donald R. Engelbert
Also filed as: ENGELBERT DONALD R · ENGELBERT DONALD RAY
13 granted patents·6 pending applications·419 citations·filing 1990–2019
93Inventor score
Files withPHILLIPS PETROLEUM CO8CONOCOPHILLIPS CO3SNELLING RICKY EUGENE2UPPILI SUNDARARAJAN2DODWELL GLENN W1
Top patents by PatentIndex Score
19 records- 0194US6683024B1Desulfurization and novel sorbents for sameCONOCOPHILLIPS CO·Filed 2000·Granted Jan 27, 2004·63 cites·86 claims
- 0293US6150300AProcess to produce sorbentsPHILLIPS PETROLEUM CO·Filed 1996·Granted Nov 21, 2000·136 cites·97 claims
- 0388US6350422B1Sorbent compositionsPHILLIPS PETROLEUM CO·Filed 2000·Granted Feb 26, 2002·39 cites·13 claims
- 0485US5914292ATransport desulfurization process utilizing a sulfur sorbent that is both fluidizable and circulatable and a method of making such sulfur sorbentPHILLIPS PETROLEUM CO·Filed 1997·Granted Jun 22, 1999·59 cites·14 claims
- 0583US6274031B1Transport desulfurization process utilizing a sulfur sorbent that is both fluidizable and circulatable and a method of making such sulfur sorbentPHILLIPS PETROLEUM CO·Filed 2000·Granted Aug 14, 2001·20 cites·36 claims
- 0678US5219542AProcess for removing sulfur compoundsPHILLIPS PETROLEUM CO·Filed 1991·Granted Jun 15, 1993·33 cites·15 claims
- 0775US8521445B2Corrosion rate monitoringSNELLING RICKY EUGENE·Filed 2010·Granted Aug 27, 2013·4 cites·15 claims
- 0873US8262902B2Magnetic removal of material from a mixture based on sulfided diluent in the mixtureUPPILI SUNDARARAJAN·Filed 2010·Granted Sep 11, 2012·2 cites·14 claims
- 0967US6869522B2Desulfurization processCONOCOPHILLIPS CO·Filed 2002·Granted Mar 22, 2005·12 cites·28 claims
- 1063US6056871ATransport desulfurization process utilizing a sulfur sorbent that is both fluidizable and circulatable and a method of making such sulfur sorbentPHILLIPS PETROLEUM CO·Filed 1999·Granted May 2, 2000·19 cites·38 claims
- 1163US5958830ASorbent compositionsPHILLIPS PETROLEUM CO·Filed 1998·Granted Sep 28, 1999·29 cites·10 claims
- 1251US8475649B2Magnetic removal of material from a mixture based on sulfided diluent in the mixtureUPPILI SUNDARARAJAN·Filed 2012·Granted Jul 2, 2013·0 cites·13 claims
- 1341US2020191762A1Procedure for measuring total reactive sulfurPHILLIPS 66 CO·Filed 2019·Application pending·0 cites
- 1440US2003118495A1Desulfurization and novel sorbent for sameFiled 2001·Application pending·0 cites
- 1539US2005266989A1Desulfurization and novel sorbent for the sameDODWELL GLENN W·Filed 2004·Application pending·0 cites
- 1638US2011193017A1Autoclave reactor heating assembly and methodsCONOCOPHILLIPS CO·Filed 2011·Application pending·0 cites
- 1738US2003232723A1Desulfurization and novel sorbent for the sameFiled 2002·Application pending·0 cites
- 1836US2012074969A1Coupon holder for corrosion measurementSNELLING RICKY EUGENE·Filed 2011·Application pending·0 cites
- 1929US5048333AMaterial level checking apparatus for use in a rotating memberPHILLIPS PETROLEUM CO·Filed 1990·Granted Sep 17, 1991·3 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →