Nutrient recovery systems and methods
US-12209026-B2 · Jan 28, 2025 · US
This page is not indexed by search engines while we improve data quality.
Frear Craig patents
Frear Craig is listed as an inventor on 6 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Frear Craig |
| Total patents | 6 |
| First publication | Feb 26, 2015 |
| Latest publication | Jan 28, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Nutrient recovery systems and methods
US-10556804-B2 · Feb 11, 2020 · US
Processing biomass using thermochemical processing and anaerobic digestion in combination
US-9790115-B2 · Oct 17, 2017 · US
Two-stage anaerobic digestion systems wherein one of the stages comprises a two-phase system
US-9567611-B2 · Feb 14, 2017 · US
Methods and apparatuses for removal of hydrogen sulfide and carbon dioxide from biogas
US-9339760-B2 · May 17, 2016 · US
Two-Stage Anaerobic Digestion Systems Wherein One of the Stages Comprises a Two-Phase System
US-2015056676-A1 · Feb 26, 2015 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Univ Washington State | 6 |
| Frear Craig | 4 |
| Dvorak Stephen W | 3 |
| Dvo Inc | 3 |
| Zhao Quanbao | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| Y02E50/30 | 6 |
| C12M21/04 | 4 |
| C05F17/40 | 3 |
| C05F17/50 | 3 |
| C02F2103/20 | 3 |