Particles capturing system
US-11850606-B2 · Dec 26, 2023 · US
Combinations of devices covered by groups B01D45/00 and B01D47/00
Combinations of devices covered by groups B01D45/00 and B01D47/00 · 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 | B01D50/40 |
| Official title | Combinations of devices covered by groups B01D45/00 and B01D47/00 |
| Display label | Combinations of devices covered by groups B01D45/00 and B01D47/00 |
| Total patents | 73 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 8 |
| 2018 | 6 |
| 2019 | 6 |
| 2020 | 9 |
| 2021 | 10 |
| 2022 | 12 |
| 2023 | 6 |
| 2024 | 4 |
| 2025 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Device and method for separating glue particles from an aerosol
US-2023311040-A1 · Oct 5, 2023 · US
Gas treatment system and gas treatment method using the same
US-2023274952-A1 · Aug 31, 2023 · US
Lid arrangement for a dust extractor comprising a dust cyclone container and a fine filter section
US-2023210330-A1 · Jul 6, 2023 · US
Apparatus and method of trapping an exhaust material from a substrate-processing process and apparatus for processing a substrate including the trapping apparatus
US-2023068823-A1 · Mar 2, 2023 · US
Scrubber apparatus for geothermal power generation
US-2022370949-A1 · Nov 24, 2022 · US
Scrubber device
US-2022370948-A1 · Nov 24, 2022 · US
Capture device for purifying air, purification device and air purifier
US-11439934-B2 · Sep 13, 2022 · US
Packed tower
US-2022274044-A1 · Sep 1, 2022 · US
Particulate matter collecting apparatus
US-11338240-B2 · May 24, 2022 · US
Efficient non-clogging inertial vortex type particle scrubber
US-11338232-B2 · May 24, 2022 · US
Purification device for air purification and air purifier having same
US-11305220-B2 · Apr 19, 2022 · US
Air purifying apparatus and air purifying method
US-11285418-B2 · Mar 29, 2022 · US
Particles capturing system
US-2022071461-A1 · Mar 10, 2022 · US
Systems and methods for dry fog inlet particle separator
US-11261788-B2 · Mar 1, 2022 · US
Controlling flow of black powder in hydrocarbon pipelines
US-11241698-B2 · Feb 8, 2022 · US
Controlling flow of black powder in hydrocarbon pipelines
US-11235338-B2 · Feb 1, 2022 · US
Particulate matter collecting apparatus
US-2021322917-A1 · Oct 21, 2021 · US
Particle separator assembly for a turbine engine
US-11090600-B2 · Aug 17, 2021 · US
Droplet heat exchange systems and methods
US-2021207902-A1 · Jul 8, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D50/40?
- CPC B01D50/40 is the Cooperative Patent Classification code for “Combinations of devices covered by groups B01D45/00 and B01D47/00.”
- How many patents are filed under CPC B01D50/40 (Combinations of devices covered by groups B01D45/00 and B01D47/00)?
- Our database includes 73 publications tagged with this CPC code.
- Is patent activity under CPC B01D50/40 growing?
- Publication counts under this code: 4 in 2024 vs 8 in 2025 (latest complete years).