Inventor · disambiguated record
Pak Leung
Also filed as: LEUNG PAK · LEUNG PAK C · LEUNG PAK CHIU
8 granted patents·5 pending applications·438 citations·filing 1999–2019
90Inventor score
Top patents by PatentIndex Score
13 records- 0196US7410928B2Highly active slurry catalyst compositionCHEVRON USA INC·Filed 2007·Granted Aug 12, 2008·53 cites·25 claims
- 0295US6554994B1Upflow reactor system with layered catalyst bed for hydrotreating heavy feedstocksCHEVRON USA INC·Filed 1999·Granted Apr 29, 2003·191 cites·14 claims
- 0392US7214309B2Process for upgrading heavy oil using a highly active slurry catalyst compositionCHEVRON USA INC·Filed 2004·Granted May 8, 2007·63 cites·25 claims
- 0488US7238273B2Process for upgrading heavy oil using a highly active slurry catalyst compositionCHEVRON USA INC·Filed 2004·Granted Jul 3, 2007·45 cites·25 claims
- 0586US6806814B1Real-time positioning internet protocol method and apparatusCISCO TECH IND·Filed 2000·Granted Oct 19, 2004·69 cites·50 claims
- 0682US9921203B2Method for predicting sediment content of a hydroprocessed hydrocarbon productROGEL ESTRELLA·Filed 2011·Granted Mar 20, 2018·6 cites·9 claims
- 0768US7074740B2Catalyst for conversion processesCHEVRON USA INC·Filed 2002·Granted Jul 11, 2006·8 cites·12 claims
- 0863US2019170725A1Method for estimating sediment content of a hydroprocessed hydrocarbon-containing feedstockCHEVRON USA INC·Filed 2019·Application pending·0 cites
- 0951US7599398B1Method and apparatus for dynamically adjusting system timers in wireless networks to optimize connection performanceCISCO TECH INC·Filed 2004·Granted Oct 6, 2009·3 cites·18 claims
- 1050US2013124106A1Method for estimating sediment content of a hydroprocessed hydrocarbon-containing feedstockROGEL ESTRELLA·Filed 2011·Application pending·0 cites
- 1145US2006058175A1Highly active slurry catalyst compositionCHEVRON USA INC·Filed 2004·Application pending·0 cites
- 1241US2005006283A1Presulfiding OCR catalyst replacement batchesCHEVRON USA INC·Filed 2004·Application pending·0 cites
- 1337US2002043483A1Presulfiding OCR catalyst replacement batchesFiled 2001·Application pending·0 cites
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