Grey water system
US-2024051852-A1 · Feb 15, 2024 · US
ultrasonic vibrations
ultrasonic vibrations · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C02F1/36 |
| Official title | ultrasonic vibrations |
| Display label | ultrasonic vibrations |
| Total patents | 283 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 27 |
| 2017 | 33 |
| 2018 | 26 |
| 2019 | 24 |
| 2020 | 21 |
| 2021 | 32 |
| 2022 | 26 |
| 2023 | 19 |
| 2024 | 31 |
| 2025 | 25 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Humidifier
US-2017354988-A1 · Dec 14, 2017 · US
Cross current staged reverse osmosis
US-2017349465-A1 · Dec 7, 2017 · US
Cross current staged reverse osmosis
US-2017349467-A1 · Dec 7, 2017 · US
Phononic crystal desalination system and methods of use
US-9796607-B2 · Oct 24, 2017 · US
Bioreactor using acoustic standing waves
US-9783775-B2 · Oct 10, 2017 · US
Acoustically driven nanoparticle concentrator
US-9764304-B2 · Sep 19, 2017 · US
Large scale acoustic separation device
US-9744483-B2 · Aug 29, 2017 · US
Acoustophoretic enhanced system for use in tanks
US-9718708-B2 · Aug 1, 2017 · US
Ultrasonic induced artificial black holes in phononic crystals
US-2017209900-A1 · Jul 27, 2017 · US
Methods and apparatus for particle aggregation using acoustic standing waves
US-2017166860-A1 · Jun 15, 2017 · US
Bioreactor using acoustic standing waves
US-2017159005-A1 · Jun 8, 2017 · US
Hybrid water treatment agent of beta-manganese dioxide nanoparticles and carbon nanotube, preparation method therefor, water treatment apparatus using same, and underground water in situ treatment apparatus
US-2017144129-A1 · May 25, 2017 · US
Method for processing fluorine-containing aqueous solution
US-2017113953-A1 · Apr 27, 2017 · US
Sonicated biological hydrogen reactor
US-2017101616-A1 · Apr 13, 2017 · US
Suspension processing device
US-9604860-B2 · Mar 28, 2017 · US
Systems and methods for separating heavy water from normal water using acoustic pressure shock waves
US-2017066663-A1 · Mar 9, 2017 · US
Membrane cleaning and desalination with a membrane using acoustic pressure shock waves
US-2017057844-A1 · Mar 2, 2017 · US
Water desalination using freeze crystallization and acoustic pressure shock waves
US-2017057843-A1 · Mar 2, 2017 · US
Methods and apparatus for particle aggregation using acoustic standing waves
US-9533241-B2 · Jan 3, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F1/36?
- CPC C02F1/36 is the Cooperative Patent Classification code for “ultrasonic vibrations.”
- How many patents are filed under CPC C02F1/36 (ultrasonic vibrations)?
- Our database includes 283 publications tagged with this CPC code.
- Is patent activity under CPC C02F1/36 growing?
- Publication counts under this code: 31 in 2024 vs 25 in 2025 (latest complete years).