System and method of performing oil displacement by water-gas dispersion system
US-11098569-B2 · Aug 24, 2021 · US
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Operations & Transport
Operations & Transport · 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 | B01F3/04113 |
| Official title | — |
| Display label | Operations & Transport (mapped technology topic) |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Microdroplet/bubble-producing device
US-2021001340-A1 · Jan 7, 2021 · US
Aerator device, filter system including an aerator device, and method of aerating a filter using an aerator device
US-10828607-B2 · Nov 10, 2020 · US
Microbubble generating system
US-2020078745-A1 · Mar 12, 2020 · US
Ozone water and method for producing the same
US-10351451-B2 · Jul 16, 2019 · US
Intermittent-bubbling equipment
US-10179311-B2 · Jan 15, 2019 · US
Washing Machine and Method for Supplying Wash Water Including Micro-Bubbles
US-2018274164-A1 · Sep 27, 2018 · US
Ozone water and method for producing the same
US-2017210650-A1 · Jul 27, 2017 · US
Water containing permanganate ions and method for producing the same
US-2017210649-A1 · Jul 27, 2017 · US
Intermittent-bubbling equipment
US-2017056831-A1 · Mar 2, 2017 · US
Vortex-type mixing device for a down-flow hydroprocessing reactor
US-9079141-B2 · Jul 14, 2015 · US