Submicron particle removal from gas streams
US-2017320816-A1 · Nov 9, 2017 · US
Spray cleaning
Spray cleaning · 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 | B01D47/06 |
| Official title | Spray cleaning |
| Display label | Spray cleaning |
| Total patents | 316 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 26 |
| 2016 | 26 |
| 2017 | 18 |
| 2018 | 14 |
| 2019 | 25 |
| 2020 | 39 |
| 2021 | 52 |
| 2022 | 34 |
| 2023 | 24 |
| 2024 | 33 |
| 2025 | 23 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Device of an aircraft engine for separating oil from an air-oil volume flow
US-9795914-B2 · Oct 24, 2017 · US
Monitoring system for annular scrubbers
US-2017296966-A1 · Oct 19, 2017 · US
Mist elimination and pollutant removal device and method
US-9737845-B2 · Aug 22, 2017 · US
Jet engine comprising a device for spraying oil into an air-oil volume flow
US-9677422-B2 · Jun 13, 2017 · US
Apparatus for both humidification and air cleaning
US-2017122589-A1 · May 4, 2017 · US
Apparatus and method for reducing air pollution from exhaust
US-9638417-B2 · May 2, 2017 · US
Fan scrubber and vacuum pump apparatus
US-2017007961-A1 · Jan 12, 2017 · US
Voltage regulator for a power distribution system and method of controlling same
US-9519299-B2 · Dec 13, 2016 · US
Controlling flow of black powder in hydrocarbon pipelines
US-2016354790-A1 · Dec 8, 2016 · US
Mist Elimination and Pollutant Removal Device and Method
US-2016354721-A1 · Dec 8, 2016 · US
Quenching system for cooling and cleaning dust-conducting crude gasification gas
US-9504951-B2 · Nov 29, 2016 · US
An apparatus and method for particulate capture from gas streams and a method of removing soluble particulate from a gas
US-2016303502-A1 · Oct 20, 2016 · US
Method and apparatus for wet desulfurization spray towers
US-9468885-B2 · Oct 18, 2016 · US
Flux Recovery Device and Soldering Device
US-2016279726-A1 · Sep 29, 2016 · US
Sub-atmospheric pressure gas scrubbers
US-9446341-B2 · Sep 20, 2016 · US
Flux Recovery Device and Soldering Device
US-2016250705-A1 · Sep 1, 2016 · US
Method and apparatus for wet desulfurization spray towers
US-2016250587-A1 · Sep 1, 2016 · US
Emission gas treatment method and emission gas treatment apparatus
US-9403119-B1 · Aug 2, 2016 · US
Method for removing dust and sulphur oxides from process gases
US-2016193565-A1 · Jul 7, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D47/06?
- CPC B01D47/06 is the Cooperative Patent Classification code for “Spray cleaning.”
- How many patents are filed under CPC B01D47/06 (Spray cleaning)?
- Our database includes 316 publications tagged with this CPC code.
- Is patent activity under CPC B01D47/06 growing?
- Publication counts under this code: 33 in 2024 vs 23 in 2025 (latest complete years).