Ejector, fuel cell system equipped with ejector and refrigeration cycle system equipped with ejector
US-10786789-B2 · Sep 29, 2020 · 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 | B01F3/02 |
| Official title | — |
| Display label | Operations & Transport (mapped technology topic) |
| Total patents | 78 |
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 | 5 |
| 2016 | 10 |
| 2017 | 10 |
| 2018 | 13 |
| 2019 | 20 |
| 2020 | 11 |
| 2021 | 6 |
| 2022 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fuel cell system and tail gas burner assembly and method
US-2020052311-A1 · Feb 13, 2020 · US
Vacuum generator/amplifier for gas applications and brake booster generation method
US-2019381986-A1 · Dec 19, 2019 · US
Plasma induced fluid mixing
US-10507439-B2 · Dec 17, 2019 · US
Flue ozone distributor applied in low-temperature oxidation denitrification technology and arrangement manner thereof
US-10507427-B2 · Dec 17, 2019 · US
Separation process and apparatus for light noble gas
US-10478770-B2 · Nov 19, 2019 · US
Device for efficient mixing of laminar, low-velocity fluids
US-10441934-B2 · Oct 15, 2019 · US
Tempering air system for gas turbine selective catalyst reduction system
US-10415834-B2 · Sep 17, 2019 · US
Gas to gas aspirator with improved entrainment efficiency
US-2019209980-A1 · Jul 11, 2019 · US
Fluid dispersing device and heat treatment device
US-2019209987-A1 · Jul 11, 2019 · US
Flue gas mixing apparatus
US-10343116-B2 · Jul 9, 2019 · US
Separation Process and Apparatus for Light Noble Gas
US-2019193018-A1 · Jun 27, 2019 · US
Exhaust gas mixer
US-10323560-B2 · Jun 18, 2019 · US
Counter flow mixer for process chamber
US-10322384-B2 · Jun 18, 2019 · US
Static flow mixer with multiple open curved channels
US-10272398-B2 · Apr 30, 2019 · US
Gas mixing device and substrate processing apparatus
US-10266945-B2 · Apr 23, 2019 · US
Gas-air mixer assembly
US-10253978-B2 · Apr 9, 2019 · US
Gas mixing arrangement
US-10232328-B2 · Mar 19, 2019 · US
Gas mixing apparatus
US-10232324-B2 · Mar 19, 2019 · US
Surge tank design for pressure swing adsorption plants
US-2019060822-A1 · Feb 28, 2019 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01F3/02?
- CPC B01F3/02 is the Cooperative Patent Classification code for “Operations & Transport.”
- How many patents are filed under CPC B01F3/02 (Operations & Transport)?
- Our database includes 78 publications tagged with this CPC code.
- Is patent activity under CPC B01F3/02 growing?
- Publication counts under this code: 6 in 2021 vs 3 in 2022 (latest complete years).