C04B 40/0021
Sonic or ultrasonic waves
Official title: {Sonic or ultrasonic waves, e.g. to initiate sonochemical reactions}
C04B40/0021 (Sonic or ultrasonic waves) appears on 12 US grants and 16 published applications in this corpus.
Search patents in C04B- Granted patents
- 12
- Published applications
- 16
- Assignees
- 10
- Inventors
- 35
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 2 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 3 |
| 2019 | 1 | 1 |
| 2020 | 0 | 2 |
| 2021 | 2 | 2 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
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Most cited
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