System and method for extracting and separating botanical oils without the use of solvents
US-2024335764-A1 · Oct 10, 2024 · US
Prefiltering; Flow controlling
Prefiltering; Flow controlling · 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 | B03C3/011 |
| Official title | Prefiltering; Flow controlling |
| Display label | Prefiltering; Flow controlling |
| Total patents | 68 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 5 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 3 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 12 |
| 2024 | 11 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Air cleaner, air cleaner system, and air-conditioning apparatus
US-12097510-B2 · Sep 24, 2024 · US
Air management system with negative ion technology for improved air quality
US-2024208652-A1 · Jun 27, 2024 · US
Range hood for preventing air pollution
US-11988393-B2 · May 21, 2024 · US
Electrostatic charging air cleaning device and collection electrode
US-11958061-B2 · Apr 16, 2024 · US
Indoor unit for air conditioner
US-11940179-B2 · Mar 26, 2024 · US
Method to check a coffee beans roasting system
US-2024065307-A1 · Feb 29, 2024 · US
Method to roast coffee beans
US-2024032559-A1 · Feb 1, 2024 · US
Method to roast coffee beans
US-2024032560-A1 · Feb 1, 2024 · US
Air conditioner
US-2023272925-A1 · Aug 31, 2023 · US
Exhaust fan for preventing air pollution
US-2023233976-A1 · Jul 27, 2023 · US
Range hood for preventing air pollution
US-2023235892-A1 · Jul 27, 2023 · US
Air purifying system
US-2023201768-A1 · Jun 29, 2023 · US
Ultra low power electrical dust collection apparatus
US-2023158512-A1 · May 25, 2023 · US
Electrostatic precipitating apparatus and air conditioning system having same
US-11654386-B2 · May 23, 2023 · US
Electrostatic precipitator and control method thereof
US-2023149948-A1 · May 18, 2023 · US
Indoor unit for air conditioner
US-2023142796-A1 · May 11, 2023 · US
Particle capturing system and particle capturing method
US-2023084981-A1 · Mar 16, 2023 · US
Electrostatic charging air cleaning device and collection electrode
US-2023047164-A1 · Feb 16, 2023 · US
Air filtration assemblies for gas turbine systems and methods for filtering intake air in gas turbine systems
US-11578656-B2 · Feb 14, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B03C3/011?
- CPC B03C3/011 is the Cooperative Patent Classification code for “Prefiltering; Flow controlling.”
- How many patents are filed under CPC B03C3/011 (Prefiltering; Flow controlling)?
- Our database includes 68 publications tagged with this CPC code.
- Is patent activity under CPC B03C3/011 growing?
- Publication counts under this code: 11 in 2024 vs 5 in 2025 (latest complete years).