Lint filter clogging detection in a dryer appliance using compressor temperature and referigerant mass flow
US-2022228312-A1 · Jul 21, 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 | B01D46/0057 |
| Official title | — |
| Display label | Operations & Transport (mapped technology topic) |
| Total patents | 62 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 11 |
| 2017 | 9 |
| 2018 | 7 |
| 2019 | 6 |
| 2020 | 12 |
| 2021 | 6 |
| 2022 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Automatic clean air filter for air conditioner unit
US-11298638-B2 · Apr 12, 2022 · US
Implantable drainage device
US-11253684-B2 · Feb 22, 2022 · US
HVAC home air filter
US-11241647-B2 · Feb 8, 2022 · US
Drainage device comprising a filter cleaning device
US-2021308434-A1 · Oct 7, 2021 · US
Gas purification apparatus, ship including the same, and gas purification method
US-2021245084-A1 · Aug 12, 2021 · US
Charge air cooler fan control
US-11073074-B1 · Jul 27, 2021 · US
Drainage device comprising a filter cleaning device
US-11045631-B2 · Jun 29, 2021 · US
Fan housing for a vehicle system
US-2021062707-A1 · Mar 4, 2021 · US
Surface cleaning apparatus
US-2021038038-A1 · Feb 11, 2021 · US
Filter module and air purifier having the same
US-2020398207-A1 · Dec 24, 2020 · US
Surface cleaning apparatus
US-10849478-B2 · Dec 1, 2020 · US
Method for the regeneration of a soot particle filter
US-2020340414-A1 · Oct 29, 2020 · US
Filter media
US-2020316532-A1 · Oct 8, 2020 · US
Blood clot removal device, system, and method
US-10729894-B2 · Aug 4, 2020 · US
HVAC Home Air Filter
US-2020230539-A1 · Jul 23, 2020 · US
Method for operating a suction device and suction device
US-2020163517-A1 · May 28, 2020 · US
Drainage device comprising an active filter
US-2020155819-A1 · May 21, 2020 · US
HVAC home air filter
US-10632411-B2 · Apr 28, 2020 · US
Blood clot removal device, system, and method
US-2020061354-A1 · Feb 27, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D46/0057?
- CPC B01D46/0057 is the Cooperative Patent Classification code for “Operations & Transport.”
- How many patents are filed under CPC B01D46/0057 (Operations & Transport)?
- Our database includes 62 publications tagged with this CPC code.
- Is patent activity under CPC B01D46/0057 growing?
- Publication counts under this code: 6 in 2021 vs 6 in 2022 (latest complete years).