Use of porous glass media for a biofilter to remove odorous compounds from an air stream
US-10730013-B2 · Aug 4, 2020 · US
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Cross-Sectional Technologies
Cross-Sectional Technologies · Cooperative Patent Classification (CPC)
General tagging of emerging or interdisciplinary technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | Y02A50/2359 |
| Official title | — |
| Display label | Cross-Sectional Technologies (mapped technology topic) |
| Total patents | 6 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compositions and methods for recovery of stranded gas and oil
US-2019264169-A1 · Aug 29, 2019 · US
Use of porous glass media for a biofilter to remove odorous compounds from an air stream
US-2019134562-A1 · May 9, 2019 · US
Compositions and methods for recovery of stranded gas and oil
US-10273446-B2 · Apr 30, 2019 · US
Use of porous glass media for a biofilter to remove odorous compounds from an air stream
US-10159932-B2 · Dec 25, 2018 · US
Method for producing oxide layer material in landfill field for treating methane gas by using household refuse
US-10159933-B2 · Dec 25, 2018 · US