Inventor
Keith W. Hovis
Inventor
Bartlesville, OK, US
Overview
Patents· 25 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds40%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry29%
B01DSeparation7%
Y02PClimate change mitigation technologies in the production or processing of goods7%
B67DDispensing, delivering or transferring liquids, not otherwise provided for4%
C10GCracking hydrocarbon oils4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
C07DHeterocyclic compounds2%
G10DStringed musical instruments2%
Y10TTechnical subjects covered by former us classification2%
PatentTitleYear
7,972,563'Alkylation system with catalyst transfer'20117,935,320'Alkylation process with recontacting in settler'20117,906,700'Alkylation of isobutene feeds'20117,842,253'Multi-zoned alkylation reactor with settler effluent recycle'20107,803,979'Method for removing water from an alkylation process system'20107,678,957'Alkylation process with catalyst transfer'20107,446,238'Alkylation process with recontacting in settler'20087,371,918'Alkylation process with settler effluent recycle'20086,451,173'Separator system'20026,245,956'Method for separating sulfone from a hydrocarbon stream having a small concentration of sulfone'20015,767,335'Method for preventing the accumulation of light ASO in the alkylation catalyst of alkylation process system'19985,759,937'Method for regeneration of a hydrogen fluoride alkylation catalyst containing sulfone, water, and ASO'19985,753,575'Method for regenerating a hydrogen fluoride and sulfone alkylation catalyst'19985,648,587'Method for separating sulfone from a hydrocarbon stream having a concentration of sulfone producing a dry sulfone product'19975,419,873'Apparatus for transfer of acid catalyst'19955,252,295'Control of HF alkylation propane stripper'19935,209,907'Fluid flow control and isolation'19935,157,195'Control of HF alkylation propane stripper'19925,146,036'Transfer of catalyst'19925,143,703'Fluid flow control and isolation'19925,021,223'Transfer of catalyst'19914,982,036'Transfer of acid catalyst'19914,962,268'Alkylation catalyst isolation'19904,854,212'Bowing guide for stringed instrument'19894,677,244'Catalytic alkylation process and apparatus'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–2002Patents assigned to PHILLIPS PETROLEUM CO (16)· patent assignee history
1987–2002Based in Bartlesville, OK, US· patent location history
1989Patents assigned to HOVIS KEITH (1)· patent assignee history
1989Patents assigned to LEVIN ZAIDA (1)· patent assignee history
1989Based in Croton, NY, US· patent location history
2008–2011Patents assigned to UOP LLC (8)· patent assignee history
2008–2011Based in Stillwater, OK, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PHILLIPS PETROLEUM CO | 16 | 1987–2002 |
| UOP LLC | 8 | 2008–2011 |
| HOVIS KEITHself | 1 | 1989 |
| LEVIN ZAIDA | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bartlesville, OK, US | 16 | 1987–2002 |
| Stillwater, OK, US | 8 | 2008–2011 |
| Croton, New York, US | 1 | 1989 |