Evaporating assembly and humidifier
US-11029047-B2 · Jun 8, 2021 · US
using rotating elements, e.g. rolls or brushes
using rotating elements, e.g. rolls or brushes · 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 | B01F23/2131 |
| Official title | {using rotating elements, e.g. rolls or brushes} |
| Display label | using rotating elements, e.g. rolls or brushes |
| Total patents | 27 |
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 | 11 |
| 2018 | 6 |
| 2019 | 7 |
| 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
Evaporating assembly and humidifier
US-2019242598-A1 · Aug 8, 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
Urea solution injection device integrated with mixer
US-2017361287-A1 · Dec 21, 2017 · 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
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01F23/2131?
- CPC B01F23/2131 is the Cooperative Patent Classification code for “using rotating elements, e.g. rolls or brushes.”
- How many patents are filed under CPC B01F23/2131 (using rotating elements, e.g. rolls or brushes)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC B01F23/2131 growing?
- Publication counts under this code: 1 in 2020 vs 2 in 2021 (latest complete years).