Inventor profile of:

Craig Frear

City:

Pullman, Washington

Country:

United States

Published Applications:

13

Last publication date:

2025-05-29

Top Assignees for applications by Craig Frear

The entities that hold a legal rights for patent applications filed by inventor Frear Craig:

Recent patent applications by Frear Craig

Craig Frear from Pullman, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2025-05-29
US20250171324A1
Chemistry; metallurgy

NUTRIENT RECOVERY SYSTEMS AND METHODS

#2 | 2021-01-21
US20210017034A1
Chemistry; metallurgy

Nutrient recovery systems and methods

#3 | 2016-09-01
US20160251587A1
Chemistry; metallurgy

Methods and Apparatuses for Removal of Hydrogen Sulfide and Carbon Dioxide from Biogas

#4 | 2015-02-26
US20150056676A1
Chemistry; metallurgy

Two-stage anaerobic digestion systems wherein one of the stages comprises a two-phase system

#5 | 2014-10-23
US20140314657A1
Chemistry; metallurgy

Nutrient recovery systems and methods

#6 | 2013-11-21
US20130309759A1
Performing operations; transporting

Methods and apparatuses for removal of hydrogen sulfide and carbon dioxide from biogas

#7 | 2013-11-21
US20130309740A1
Chemistry; metallurgy

Two-Stage Anaerobic Digestion Systems Wherein One of the Stages Comprises a Two-Phase System

#8 | 2012-12-20
US20120322130A1
Chemistry; metallurgy

Processing biomass using thermochemical processing and anaerobic digestion in combination

#9 | 2012-05-17
US20120118035A1
Chemistry; metallurgy

Nutrient recovery systems and methods

#10 | 2011-04-21
US20110091954A1
Chemistry; metallurgy

Integration of anaerobic digestion in an algae-based biofuel system

#11 | 2010-06-24
US20100159557A1
Chemistry; metallurgy

Pelletization process to control filamentous fungi morphology for enhanced reactor rheology bioproduct formation

#12 | 2009-08-20
US20090209014A1
Chemistry; metallurgy

Heterotrophic algal high cell density production method and system

#13 | 2009-08-20
US20090206028A1
Chemistry; metallurgy

Combined nutrient recovery and biogas scrubbing system integrated in series with animal manure anaerobic digester

InventorID:

538823 ⎘