Inventor · disambiguated record
Robert W. Bachtel
Also filed as: BACHTEL ROBERT · BACHTEL ROBERT W
20 granted patents·3 pending applications·710 citations·filing 1981–2004
96Inventor score
Top patents by PatentIndex Score
23 records- 0195US6554994B1Upflow reactor system with layered catalyst bed for hydrotreating heavy feedstocksCHEVRON USA INC·Filed 1999·Granted Apr 29, 2003·191 cites·14 claims
- 0294US5076908AMethod and apparatus for an on-stream particle replacement system for countercurrent contact of a gas and liquid feed stream with a packed bedCHEVRON RES & TECH·Filed 1989·Granted Dec 31, 1991·72 cites·13 claims
- 0389US5492617AApparatus and method for quenching in hydroprocessing of a hydrocarbon feed streamFiled 1994·Granted Feb 20, 1996·65 cites·3 claims
- 0484US5522983AHydrocarbon hydroconversion processCHEVRON RES & TECH·Filed 1992·Granted Jun 4, 1996·46 cites·12 claims
- 0583US5660715AApparatus and method for quenching in hydroprocessing of a hydrocarbon feed streamCHEVRON USA INC·Filed 1995·Granted Aug 26, 1997·48 cites·10 claims
- 0681US5082551AHydroconversion effluent separation processCHEVRON RES & TECH·Filed 1990·Granted Jan 21, 1992·48 cites·9 claims
- 0774US4404088AThree-stage hydrocracking processCHEVRON RES·Filed 1981·Granted Sep 13, 1983·24 cites·4 claims
- 0870US5733440ACatalyst, method and apparatus for an on-stream particle replacement system for countercurrent contact of a gas and liquid feed stream with a packed bedCHEVRON USA INC·Filed 1996·Granted Mar 31, 1998·26 cites·20 claims
- 0965US5302357AApparatus for an on-stream particle replacement system for countercurrent contact of a gas and liquid feed stream with a packed bedCHEVRON RES & TECH·Filed 1993·Granted Apr 12, 1994·19 cites·15 claims
- 1064US5603904AApparatus for catalyst replacementCHEVRON USA INC·Filed 1996·Granted Feb 18, 1997·28 cites·21 claims
- 1163US5885534AGas pocket distributor for hydroprocessing a hydrocarbon feed streamCHEVRON USA INC·Filed 1996·Granted Mar 23, 1999·24 cites·2 claims
- 1262US5599440ACatalyst method and apparatus for an on-stream particle replacement system for countercurrent contact of a gas and liquid feed stream with a packed bedCHEVRON USA INC·Filed 1995·Granted Feb 4, 1997·18 cites·69 claims
- 1360US5958220AGas-pocket distributor and method for hydroprocessing a hydrocarbon feed streamCHEVRON USA INC·Filed 1998·Granted Sep 28, 1999·18 cites·3 claims
- 1460US5648051AApparatus and method for quenching in hydroprocessing of a hydrocarbon feed streamCHEVRON USA INC·Filed 1995·Granted Jul 15, 1997·17 cites·18 claims
- 1558US5409598AMethod of hydroprocessingCHEVRON RES·Filed 1994·Granted Apr 25, 1995·14 cites·12 claims
- 1650US5527512AApparatus for catalyst replacementCHEVRON USA INC·Filed 1994·Granted Jun 18, 1996·14 cites·5 claims
- 1750US5498327ACatalyst, method and apparatus for an on-stream particle replacement system for countercurrent contact of a gas and liquid feed stream with a packed bedFiled 1995·Granted Mar 12, 1996·12 cites·72 claims
- 1849US5858311AThermocouple well assembly with a sealing coupling and a method for eliminating leaks in hydroconversion reactors while continuing to hydroprocessCHEVRON USA INC·Filed 1996·Granted Jan 12, 1999·14 cites·10 claims
- 1944US5232577AHydrocracking process with polycyclic aromatic dimer removalCHEVRON RES & TECH·Filed 1990·Granted Aug 3, 1993·10 cites·24 claims
- 2041US2005006283A1Presulfiding OCR catalyst replacement batchesCHEVRON USA INC·Filed 2004·Application pending·0 cites
- 2139US2003223924A1Gas-pocket distributor and method of distributing gasFiled 2002·Application pending·0 cites
- 2237US2002043483A1Presulfiding OCR catalyst replacement batchesFiled 2001·Application pending·0 cites
- 2332US6031146AThermocouple well assembly with a sealing coupling and a method for eliminating leaks in hydroconversion reactors while continuing to hydroprocessCHEVRON USA INC·Filed 1998·Granted Feb 29, 2000·2 cites·9 claims
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