Acoustic perfusion devices
US-9822333-B2 · Nov 21, 2017 · US
Breaking emulsions
Breaking emulsions · 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 | B01D17/04 |
| Official title | Breaking emulsions |
| Display label | Breaking emulsions |
| Total patents | 195 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 24 |
| 2017 | 34 |
| 2018 | 14 |
| 2019 | 19 |
| 2020 | 27 |
| 2021 | 17 |
| 2022 | 20 |
| 2023 | 11 |
| 2024 | 9 |
| 2025 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Retraction of oil slicks using surfactants
US-9797109-B2 · Oct 24, 2017 · US
Acoustic bioreactor processes
US-2017298316-A1 · Oct 19, 2017 · US
Bioreactor using acoustic standing waves
US-9783775-B2 · Oct 10, 2017 · US
Separation of multi-component fluid through ultrasonic acoustophoresis
US-2017282097-A1 · Oct 5, 2017 · US
Bioreactor using acoustic standing waves
US-9752114-B2 · Sep 5, 2017 · US
Interface and mud control system and method for refinery desalters
US-9751027-B2 · Sep 5, 2017 · US
Acoustic perfusion devices
US-9752113-B2 · Sep 5, 2017 · US
Acoustic perfusion devices
US-9745548-B2 · Aug 29, 2017 · US
Acoustic perfusion devices
US-9738866-B2 · Aug 22, 2017 · US
Acoustic separation of t cells
US-2017218323-A1 · Aug 3, 2017 · US
Coalescing filter element and filter assembly therefore
US-9718011-B2 · Aug 1, 2017 · US
Bioreactor using acoustic standing waves
US-2017204360-A1 · Jul 20, 2017 · US
Acoustic bioreactor processes
US-9688958-B2 · Jun 27, 2017 · US
Separation of multi-component fluid through ultrasonic acoustophoresis
US-2017173498-A9 · Jun 22, 2017 · US
Separation of multi-component fluid through ultrasonic acoustophoresis
US-9675902-B2 · Jun 13, 2017 · US
Bioreactor using acoustic standing waves
US-2017159005-A1 · Jun 8, 2017 · US
System and method for emulsion breaking
US-2017157538-A1 · Jun 8, 2017 · US
Fluid compositions and methods for using cross-linked phenolic resins
US-9663726-B2 · May 30, 2017 · US
Inhibitors for organics solubilized in produced water
US-9656889-B2 · May 23, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D17/04?
- CPC B01D17/04 is the Cooperative Patent Classification code for “Breaking emulsions.”
- How many patents are filed under CPC B01D17/04 (Breaking emulsions)?
- Our database includes 195 publications tagged with this CPC code.
- Is patent activity under CPC B01D17/04 growing?
- Publication counts under this code: 9 in 2024 vs 8 in 2025 (latest complete years).