Fan coil apparatus including a humidification unit and a humidification unit
US-10107512-B2 · Oct 23, 2018 · 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 | B01F3/04 |
| Official title | — |
| Display label | Operations & Transport (mapped technology topic) |
| Total patents | 128 |
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 | 15 |
| 2016 | 10 |
| 2017 | 22 |
| 2018 | 21 |
| 2019 | 21 |
| 2020 | 19 |
| 2021 | 16 |
| 2022 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Humidification and air cleaning apparatus
US-10094580-B2 · Oct 9, 2018 · US
Mixing and distribution device with mixing and exchange zones and deflectors
US-10065166-B2 · Sep 4, 2018 · US
Carburetor with fuel metering diaphragm
US-10054082-B2 · Aug 21, 2018 · US
Humidifier, in particular for a fuel cell
US-10044051-B2 · Aug 7, 2018 · US
Flocculation basin inclusion or exclusion type water treatment apparatus using dissolved air flotation
US-2018126391-A1 · May 10, 2018 · US
Peer-to-peer air analysis and treatment
US-9933790-B2 · Apr 3, 2018 · US
Humidifier for fuel cell
US-9923216-B2 · Mar 20, 2018 · US
Humidifier and layered heating element
US-2018071480-A1 · Mar 15, 2018 · US
Water treatment system and water treatment method
US-2018028980-A1 · Feb 1, 2018 · US
Method for generating O2-rich gas from air using water
US-9878280-B1 · Jan 30, 2018 · US
Solid waste treatment with conversion to gas and anaerobic digestion
US-9868964-B2 · Jan 16, 2018 · US
Bluff body fuel mixer
US-2018003387-A1 · Jan 4, 2018 · US
Flocculation basin inclusion or exclusion type water treatment apparatus using dissolved air flotation
US-9839918-B2 · Dec 12, 2017 · US
Membrane humidifier for fuel cell
US-9837673-B2 · Dec 5, 2017 · US
Humidifier and layered heating element
US-9821135-B2 · Nov 21, 2017 · US
Mixing and distribution device with mixing and exchange zones and deflectors
US-2017312720-A1 · Nov 2, 2017 · US
Bluff body fuel mixer
US-9797601-B2 · Oct 24, 2017 · US
Air freshener dispensers, cartridges therefor, systems, and methods
US-2017296689-A1 · Oct 19, 2017 · US
Dosing and mixing arrangement for use in exhaust aftertreatment
US-2017282135-A1 · Oct 5, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01F3/04?
- CPC B01F3/04 is the Cooperative Patent Classification code for “Operations & Transport.”
- How many patents are filed under CPC B01F3/04 (Operations & Transport)?
- Our database includes 128 publications tagged with this CPC code.
- Is patent activity under CPC B01F3/04 growing?
- Publication counts under this code: 16 in 2021 vs 4 in 2022 (latest complete years).