Heat exchanger tube block, exhaust heat recovery boiler, and method of constructing exhaust heat recovery boiler
US-12339077-B2 · Jun 24, 2025 · US
Cleaning by vibration {or pressure waves} · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F28G7/00 |
| Official title | Cleaning by vibration {or pressure waves} |
| Display label | Cleaning by vibration {or pressure waves} |
| Total patents | 50 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 3 |
| 2017 | 6 |
| 2018 | 9 |
| 2019 | 5 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12339077-B2 · Jun 24, 2025 · US
US-12203688-B2 · Jan 21, 2025 · US
US-2024077241-A1 · Mar 7, 2024 · US
US-11867442-B2 · Jan 9, 2024 · US
US-11802744-B2 · Oct 31, 2023 · US
US-11701945-B2 · Jul 18, 2023 · US
US-2023211386-A1 · Jul 6, 2023 · US
US-11633788-B2 · Apr 25, 2023 · US
US-2022397325-A1 · Dec 15, 2022 · US
US-2022118817-A1 · Apr 21, 2022 · US
US-2022034502-A1 · Feb 3, 2022 · US
US-2022034609-A1 · Feb 3, 2022 · US
US-2021325132-A1 · Oct 21, 2021 · US
US-11007287-B2 · May 18, 2021 · US
US-10973360-B2 · Apr 13, 2021 · US
US-10907822-B2 · Feb 2, 2021 · US
US-2020217603-A1 · Jul 9, 2020 · US
US-2020147658-A1 · May 14, 2020 · US
US-2020149469-A1 · May 14, 2020 · US
US-10634440-B2 · Apr 28, 2020 · US
Answers are generated from the same data shown on this page.