Processes for Recovering Oil from Fermentation Product Processes and Processes for Producing Fermentation Products
US-2018362882-A1 · Dec 20, 2018 · US
by continuous methods
by continuous methods · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D3/002 |
| Official title | {by continuous methods} |
| Display label | by continuous methods |
| Total patents | 186 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 22 |
| 2017 | 14 |
| 2018 | 20 |
| 2019 | 30 |
| 2020 | 21 |
| 2021 | 15 |
| 2022 | 14 |
| 2023 | 13 |
| 2024 | 9 |
| 2025 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process and systems for obtaining 1,4-butanediol from fermentation broths
US-2018237367-A1 · Aug 23, 2018 · US
Treatment of alcohol compositions
US-10005707-B2 · Jun 26, 2018 · US
Microorganisms for the production of 1,4-butanediol
US-2018142269-A1 · May 24, 2018 · US
Process and systems for obtaining 1,4-butanediol from fermentation broths
US-2018065907-A1 · Mar 8, 2018 · US
Process and systems for obtaining 1,4-butanediol from fermentation broths
US-9873652-B2 · Jan 23, 2018 · US
Process and systems for obtaining 1,4-butanediol from fermentation broths
US-2017362149-A1 · Dec 21, 2017 · US
Efficient Method for Producing and Purifying Anhydrous Sugar Alcohol
US-2017349603-A1 · Dec 7, 2017 · US
Contamination mitigation
US-2017253846-A1 · Sep 7, 2017 · US
Method for Producing Anhydrous Sugar Alcohol Using Azeotropic Distillation
US-2017252669-A1 · Sep 7, 2017 · US
Methods and Systems for Removing Undissolved Solids Prior to Extractive Fermentation in the Production of Butanol
US-2017240930-A1 · Aug 24, 2017 · US
Methods and organisms for the growth-coupled production of 1,4-butanediol
US-2017240931-A1 · Aug 24, 2017 · US
Low pressure separator having an internal divider and uses therefor
US-2017225098-A1 · Aug 10, 2017 · US
Product management in biological conversion processes
US-2017226538-A1 · Aug 10, 2017 · US
Processing materials
US-2017183692-A1 · Jun 29, 2017 · US
Methods and systems for removing undissolved solids prior to extractive fermentation in the production of butanol
US-9670511-B2 · Jun 6, 2017 · US
Processing materials
US-9631208-B2 · Apr 25, 2017 · US
Compositions and methods for the biosynthesis of 1,4-butanediol and its precursors
US-2017088840-A1 · Mar 30, 2017 · US
Method for producing tetrahydrofuran
US-9598388-B2 · Mar 21, 2017 · US
Compositions and methods for the biosynthesis of 1,4-butanediol and its precursors
US-2017022524-A1 · Jan 26, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D3/002?
- CPC B01D3/002 is the Cooperative Patent Classification code for “by continuous methods.”
- How many patents are filed under CPC B01D3/002 (by continuous methods)?
- Our database includes 186 publications tagged with this CPC code.
- Is patent activity under CPC B01D3/002 growing?
- Publication counts under this code: 9 in 2024 vs 10 in 2025 (latest complete years).