System and method for extracting and separating botanical oils without the use of solvents
US-2024335764-A1 · Oct 10, 2024 · US
tubular
tubular · 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 | B03C3/49 |
| Official title | tubular |
| Display label | tubular |
| Total patents | 109 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 13 |
| 2017 | 8 |
| 2018 | 15 |
| 2019 | 10 |
| 2020 | 12 |
| 2021 | 7 |
| 2022 | 8 |
| 2023 | 7 |
| 2024 | 11 |
| 2025 | 10 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of increasing particulate size
US-2020338492-A1 · Oct 29, 2020 · US
Non-exhaust fine dust collecting device using triboelectricity
US-2020331005-A1 · Oct 22, 2020 · US
Device for collecting particles contained in an aerosol, comprising electrometres to determine nanoparticle concentration and particle size
US-10675639-B2 · Jun 9, 2020 · US
Dryer For Preparation of Dry Nanoparticles
US-2020064065-A1 · Feb 27, 2020 · US
Air vent
US-2020038879-A1 · Feb 6, 2020 · US
Electrocyclonic particle collector
US-10537900-B2 · Jan 21, 2020 · US
Particle sensor and particle sensing method
US-10508982-B2 · Dec 17, 2019 · US
Particulate matter measurement apparatus and method
US-10502710-B2 · Dec 10, 2019 · US
Particle counter
US-2019346357-A1 · Nov 14, 2019 · US
Dryer for preparation of dry nanoparticles
US-10473393-B2 · Nov 12, 2019 · US
Electrostatic collector
US-10384214-B2 · Aug 20, 2019 · US
Electric dust collecting apparatus
US-2019218948-A1 · Jul 18, 2019 · US
Cylindrical ifd filter
US-2019126289-A1 · May 2, 2019 · US
Dust collection assembly, air purification device and air conditioner
US-10272444-B2 · Apr 30, 2019 · US
Tubular electrostatic device
US-2019078204-A1 · Mar 14, 2019 · US
Dust collection assembly, air purification device and air conditioner
US-10166548-B2 · Jan 1, 2019 · US
Exhaust gas control apparatus and control method for exhaust gas control apparatus
US-10138792-B2 · Nov 27, 2018 · US
Exhaust gas control apparatus and control method for exhaust gas control apparatus
US-2018306086-A1 · Oct 25, 2018 · US
Particle sensor and sensing method
US-2018217046-A1 · Aug 2, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B03C3/49?
- CPC B03C3/49 is the Cooperative Patent Classification code for “tubular.”
- How many patents are filed under CPC B03C3/49 (tubular)?
- Our database includes 109 publications tagged with this CPC code.
- Is patent activity under CPC B03C3/49 growing?
- Publication counts under this code: 11 in 2024 vs 10 in 2025 (latest complete years).