Evaporating assembly and humidifier
US-11029047-B2 · Jun 8, 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 | B01F3/04028 |
| Official title | — |
| Display label | Operations & Transport (mapped technology topic) |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2017 | 5 |
| 2018 | 6 |
| 2019 | 6 |
| 2020 | 1 |
| 2021 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Exhaust additive dosing system comprising an exhaust additive distribution device and an exhaust additive metering device
US-11015508-B2 · May 25, 2021 · US
Apparatus for both humidification and air cleaning
US-10718535-B2 · Jul 21, 2020 · US
Exhaust additive dosing system comprising an exhaust additive distribution device and an exhaust additive metering device
US-2019316509-A1 · Oct 17, 2019 · US
Droplet generating rotating cutters
US-10376907-B2 · Aug 13, 2019 · US
Urea solution injection device integrated with mixer
US-10376850-B2 · Aug 13, 2019 · US
Apparatus for both humidification and air cleaning
US-2019078798-A1 · Mar 14, 2019 · US
Droplet Generating Rotating Cutters
US-2019070619-A1 · Mar 7, 2019 · US
Humidification and air cleaning apparatus
US-10190787-B2 · Jan 29, 2019 · US
Apparatus for both humidification and air cleaning
US-10161644-B2 · Dec 25, 2018 · US
Apparatus for both humidification and air cleaning
US-10161643-B2 · Dec 25, 2018 · US
Apparatus for both humidification and air cleaning
US-10072857-B2 · Sep 11, 2018 · US
Apparatus for both humidification and air cleaning
US-10054323-B2 · Aug 21, 2018 · US
Low pressure drop swirling flow mixer
US-2018078912-A1 · Mar 22, 2018 · US
Filament extension atomizers
US-9873131-B2 · Jan 23, 2018 · US
Filament extension atomizers
US-9789499-B2 · Oct 17, 2017 · US
Filament extension atomizers
US-2017259280-A1 · Sep 14, 2017 · US
Filament extension atomizers
US-9707577-B2 · Jul 18, 2017 · US
Filament extension atomizers
US-2017028415-A1 · Feb 2, 2017 · US
Filament extension atomizers
US-2017028414-A1 · Feb 2, 2017 · US