Inventor · disambiguated record
Keith W. Hovis
Also filed as: HOVIS KEITH · HOVIS KEITH W
25 granted patents·2 pending applications·112 citations·filing 1985–2010
94Inventor score
Top patents by PatentIndex Score
27 records- 0185US7803979B2Method for removing water from an alkylation process systemUOP LLC·Filed 2007·Granted Sep 28, 2010·7 cites·17 claims
- 0283US7446238B2Alkylation process with recontacting in settlerUOP LLC·Filed 2005·Granted Nov 4, 2008·4 cites·16 claims
- 0372US7935320B2Alkylation process with recontacting in settlerUOP LLC·Filed 2008·Granted May 3, 2011·1 cites·5 claims
- 0472US4677244ACatalytic alkylation process and apparatusPHILLIPS PETROLEUM CO·Filed 1985·Granted Jun 30, 1987·12 cites·8 claims
- 0570US7842253B2Multi-zoned alkylation reactor with settler effluent recycleUOP LLC·Filed 2008·Granted Nov 30, 2010·1 cites·23 claims
- 0665US7371918B2Alkylation process with settler effluent recycleUOP LLC·Filed 2004·Granted May 13, 2008·3 cites·8 claims
- 0760US5759937AMethod for regeneration of a hydrogen fluoride alkylation catalyst containing sulfone, water, and ASOPHILLIPS PETROLEUM CO·Filed 1996·Granted Jun 2, 1998·16 cites·6 claims
- 0860US5209907AFluid flow control and isolationPHILLIPS PETROLEUM CO·Filed 1992·Granted May 11, 1993·7 cites·3 claims
- 0957US4854212ABowing guide for stringed instrumentLEVIN ZAIDA·Filed 1988·Granted Aug 8, 1989·20 cites·7 claims
- 1056US5146036ATransfer of catalystPHILLIPS PETROLEUM CO·Filed 1991·Granted Sep 8, 1992·6 cites·4 claims
- 1150US2010310430A1Barrier for an acid alkylation unit and process relating theretoHOVIS KEITH W·Filed 2009·Application pending·0 cites
- 1248US5767335AMethod for preventing the accumulation of light ASO in the alkylation catalyst of alkylation process systemPHILLIPS PETROLEUM CO·Filed 1995·Granted Jun 16, 1998·12 cites·7 claims
- 1347US7972563B2Alkylation system with catalyst transferUOP LLC·Filed 2010·Granted Jul 5, 2011·0 cites·12 claims
- 1446US7906700B2Alkylation of isobutene feedsUOP LLC·Filed 2006·Granted Mar 15, 2011·0 cites·32 claims
- 1546US7678957B2Alkylation process with catalyst transferUOP LLC·Filed 2005·Granted Mar 16, 2010·0 cites·26 claims
- 1646US4982036ATransfer of acid catalystPHILLIPS PETROLEUM CO·Filed 1989·Granted Jan 1, 1991·3 cites·5 claims
- 1743US5157195AControl of HF alkylation propane stripperPHILLIPS PETROLEUM CO·Filed 1991·Granted Oct 20, 1992·3 cites·7 claims
- 1840US5021223ATransfer of catalystPHILLIPS PETROLEUM CO·Filed 1990·Granted Jun 4, 1991·7 cites·4 claims
- 1939US5252295AControl of HF alkylation propane stripperPHILLIPS PETROLEUM CO·Filed 1992·Granted Oct 12, 1993·2 cites·8 claims
- 2037US5648587AMethod for separating sulfone from a hydrocarbon stream having a concentration of sulfone producing a dry sulfone productPHILLIPS PETROLEUM CO·Filed 1995·Granted Jul 15, 1997·1 cites·12 claims
- 2136US6245956B1Method for separating sulfone from a hydrocarbon stream having a small concentration of sulfonePHILLIPS PETROLEUM CO·Filed 1995·Granted Jun 12, 2001·1 cites·9 claims
- 2236US2003221818A1Reflux condenser system for improved fluids separationFiled 2002·Application pending·0 cites
- 2333US4962268AAlkylation catalyst isolationPHILLIPS PETROLEUM CO·Filed 1989·Granted Oct 9, 1990·4 cites·12 claims
- 2432US5753575AMethod for regenerating a hydrogen fluoride and sulfone alkylation catalystPHILLIPS PETROLEUM CO·Filed 1996·Granted May 19, 1998·1 cites·24 claims
- 2530US6451173B1Separator systemPHILLIPS PETROLEUM CO·Filed 1999·Granted Sep 17, 2002·1 cites·11 claims
- 2629US5143703AFluid flow control and isolationPHILLIPS PETROLEUM CO·Filed 1990·Granted Sep 1, 1992·0 cites·4 claims
- 2728US5419873AApparatus for transfer of acid catalystPHILLIPS PETROLEUM CO·Filed 1991·Granted May 30, 1995·0 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Keith W. Hovis files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →