Filter having a coil arrangement and filter assembly having such a filter
US-2024246016-A1 · Jul 25, 2024 · US
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Making use of microwaves, e.g. for measurements
Making use of microwaves, e.g. for measurements · 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 | B01D2273/22 |
| Official title | Making use of microwaves, e.g. for measurements |
| Display label | Making use of microwaves, e.g. for measurements |
| Total patents | 8 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 2 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Microwave irradiation device, exhaust purification apparatus, automobile and management system
US-10876458-B2 · Dec 29, 2020 · US
Exhaust purification device, internal combustion device, and power generation device
US-10576406-B2 · Mar 3, 2020 · US
Particulate filter and exhaust gas purifier
US-10221739-B2 · Mar 5, 2019 · US
Antenna, covering member, and exhaust purification device
US-2018339256-A1 · Nov 29, 2018 · US
Exhaust purification device, internal combustion device, and power generation device
US-2018280856-A1 · Oct 4, 2018 · US
Microwave irradiation device, exhaust purification apparatus, automobile and management system
US-2018258820-A1 · Sep 13, 2018 · US
Particulate filter and exhaust gas purifier
US-2017204758-A1 · Jul 20, 2017 · US