Methods for producing petroleum coke
US-2026002079-A1 · Jan 1, 2026 · US
Pretreatment by separation of solid or liquid material
Pretreatment by separation of solid or liquid material · 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 | B01D53/145 |
| Official title | {Pretreatment by separation of solid or liquid material} |
| Display label | Pretreatment by separation of solid or liquid material |
| Total patents | 32 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of producing liquid hydrocarbons from a syngas
US-2025162962-A1 · May 22, 2025 · US
Gas absorption box
US-12077373-B2 · Sep 3, 2024 · US
Method for collecting dust from single crystal growth system
US-12076677-B2 · Sep 3, 2024 · US
Method for carbon dioxide capture and concentration by partitioned multistage circulation based on mass transfer-reaction regulation
US-11980844-B2 · May 14, 2024 · US
Gas absorption box
US-2024083673-A1 · Mar 14, 2024 · US
Flue gas treatment method and installation
US-11845040-B2 · Dec 19, 2023 · US
Method for collecting dust from single crystal growth system and dust collecting system thereof
US-11845030-B2 · Dec 19, 2023 · US
Process and plant for removing carbon dioxide from synthesis gas
US-11826694-B2 · Nov 28, 2023 · US
Method for collecting dust from single crystal growth system
US-2023347271-A1 · Nov 2, 2023 · US
Method for carbon dioxide capture and concentration by partitioned multistage circulation based on mass transfer-reaction regulation
US-2023033705-A1 · Feb 2, 2023 · US
Flue gas treatment method and installation
US-2022219117-A1 · Jul 14, 2022 · US
Pitch destruction processes using thermal oxidation system
US-2022040629-A1 · Feb 10, 2022 · US
Method for collecting dust from single crystal growth system and dust collecting system thereof
US-2021394100-A1 · Dec 23, 2021 · US
Exhaust gas treatment device and CO2 recovery device using same
US-11014042-B2 · May 25, 2021 · US
Process for purification of hydrocarbons
US-2020332204-A1 · Oct 22, 2020 · US
Method for separating a hydrocarbon mixture containing hydrogen, separating device, and olefin plant
US-10677525-B2 · Jun 9, 2020 · US
Method for improving propylene recovery from fluid catalytic cracker unit
US-10513477-B2 · Dec 24, 2019 · US
Method and device for treating nitroso compound
US-10434459-B2 · Oct 8, 2019 · US
Exhaust gas treatment device and co2 recovery device using same
US-2019160420-A1 · May 30, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D53/145?
- CPC B01D53/145 is the Cooperative Patent Classification code for “Pretreatment by separation of solid or liquid material.”
- How many patents are filed under CPC B01D53/145 (Pretreatment by separation of solid or liquid material)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC B01D53/145 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).