Gas sparger for an immersed membrane
US-11219866-B2 · Jan 11, 2022 · US
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 | B01F2003/04319 |
| Official title | — |
| Display label | Operations & Transport (mapped technology topic) |
| Total patents | 29 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 9 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System, device, and method to manufacture nanobubbles
US-11179684-B2 · Nov 23, 2021 · US
Method and apparatus for injecting a gas into a beverage
US-11147294-B2 · Oct 19, 2021 · US
Foaming nozzle of a cleaning system for turbine engines
US-11028727-B2 · Jun 8, 2021 · US
Washing machine
US-10900163-B2 · Jan 26, 2021 · US
Reciprocating stirring apparatus having micro bubble generating device
US-10799841-B2 · Oct 13, 2020 · US
System and method for feeding gas into liquid
US-10744468-B2 · Aug 18, 2020 · US
Nested bubbling apparatus
US-10737225-B2 · Aug 11, 2020 · US
Siphon-type air diffusion device, membrane bioreactor, and water treatment method
US-10500545-B2 · Dec 10, 2019 · US
Fluid distribution device for a gas-liquid contactor, gas-liquid contactor and method for adding a gas to a liquid
US-10486113-B2 · Nov 26, 2019 · US
Gas sparger for an immersed membrane
US-10471393-B2 · Nov 12, 2019 · US
Membrane bioreactor system
US-2019168165-A1 · Jun 6, 2019 · US
Siphon-type air diffusion device, membrane bioreactor, and water treatment method
US-2019151804-A1 · May 23, 2019 · US
Hydrogen rich water generator
US-10265665-B2 · Apr 23, 2019 · US
Nested Bubbling Apparatus
US-2019105616-A1 · Apr 11, 2019 · US
System, device, and method to manufacture nanobubbles
US-2019083945-A1 · Mar 21, 2019 · US
Continuous fermentation device
US-2019010440-A1 · Jan 10, 2019 · US
Fluid exchange membrane module
US-10158129-B2 · Dec 18, 2018 · US
Apparatus for generating fine-bubble-containing liquid
US-2018333687-A1 · Nov 22, 2018 · US
Diffusion pipe and method for cleaning diffusion pipe
US-10071924-B2 · Sep 11, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01F2003/04319?
- CPC B01F2003/04319 is the Cooperative Patent Classification code for “Operations & Transport.”
- How many patents are filed under CPC B01F2003/04319 (Operations & Transport)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC B01F2003/04319 growing?
- Publication counts under this code: 4 in 2021 vs 1 in 2022 (latest complete years).