Inventor · disambiguated record
Craig Frear
Also filed as: FREAR CRAIG
10 granted patents·3 pending applications·81 citations·filing 2008–2025
88Inventor score
Files withUNIV WASHINGTON STATE RES FDN4ZHAO QUANBAO4KENNEDY NICHOLAS2CHEN SHULIN1GARCIA-PEREZ MANUEL1
Top patents by PatentIndex Score
13 records- 0192US8613894B2Nutrient recovery systems and methodsZHAO QUANBAO·Filed 2011·Granted Dec 24, 2013·15 cites·12 claims
- 0290US7909995B2Combined nutrient recovery and biogas scrubbing system integrated in series with animal manure anaerobic digesterUNIV WASHINGTON STATE RES FDN·Filed 2008·Granted Mar 22, 2011·23 cites·3 claims
- 0389US8287732B2Integration of anaerobic digestion in an algae-based biofuel systemCHEN SHULIN·Filed 2010·Granted Oct 16, 2012·16 cites·14 claims
- 0486US8343741B2Pelletization process to control filamentous fungi morphology for enhanced reactor rheology bioproduct formationUNIV WASHINGTON STATE RES FDN·Filed 2008·Granted Jan 1, 2013·9 cites·19 claims
- 0585US7989195B2Heterotrophic algal high cell density production method and systemUNIV WASHINGTON STATE RES FDN·Filed 2008·Granted Aug 2, 2011·13 cites·13 claims
- 0675US9339760B2Methods and apparatuses for removal of hydrogen sulfide and carbon dioxide from biogasKENNEDY NICHOLAS·Filed 2013·Granted May 17, 2016·4 cites·11 claims
- 0773US10556804B2Nutrient recovery systems and methodsZHAO QUANBAO·Filed 2013·Granted Feb 11, 2020·1 cites·17 claims
- 0872US2025171324A1Nutrient recovery systems and methodsZHAO QUANBAO·Filed 2025·Application pending·0 cites
- 0965US12209026B2Nutrient recovery systems and methodsZHAO QUANBAO·Filed 2020·Granted Jan 28, 2025·0 cites·6 claims
- 1061US9567611B2Two-stage anaerobic digestion systems wherein one of the stages comprises a two-phase systemUNIV WASHINGTON STATE·Filed 2014·Granted Feb 14, 2017·0 cites·20 claims
- 1154US2013309740A1Two-Stage Anaerobic Digestion Systems Wherein One of the Stages Comprises a Two-Phase SystemUNIV WASHINGTON STATE RES FDN·Filed 2012·Application pending·0 cites
- 1246US2016251587A1Methods and Apparatuses for Removal of Hydrogen Sulfide and Carbon Dioxide from BiogasKENNEDY NICHOLAS·Filed 2016·Application pending·0 cites
- 1345US9790115B2Processing biomass using thermochemical processing and anaerobic digestion in combinationGARCIA-PEREZ MANUEL·Filed 2012·Granted Oct 17, 2017·0 cites·14 claims
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