Opening maching apparatus for heat transfer tube, method of forming opening in tube wall of heat transfer tube using same, and method of removing foreign material through same opening of same heat transfer tube
US-12485462-B2 · Dec 2, 2025 · US
using jets of fluid for removing debris (F28G1/12 takes precedence) · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F28G1/16 |
| Official title | using jets of fluid for removing debris (F28G1/12 takes precedence) |
| Display label | using jets of fluid for removing debris (F28G1/12 takes precedence) |
| Total patents | 31 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 4 |
| 2018 | 6 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 4 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12485462-B2 · Dec 2, 2025 · US
US-2025283678-A1 · Sep 11, 2025 · US
US-2025271161-A1 · Aug 28, 2025 · US
US-12313356-B2 · May 27, 2025 · US
US-2024102753-A1 · Mar 28, 2024 · US
US-11841197-B2 · Dec 12, 2023 · US
US-2023149981-A1 · May 18, 2023 · US
US-2023081044-A1 · Mar 16, 2023 · US
US-11428481-B2 · Aug 30, 2022 · US
US-11040777-B2 · Jun 22, 2021 · US
US-2021170455-A1 · Jun 10, 2021 · US
US-10962223-B2 · Mar 30, 2021 · US
US-2020232729-A1 · Jul 23, 2020 · US
US-10697714-B2 · Jun 30, 2020 · US
US-2020172252-A1 · Jun 4, 2020 · US
US-10501566-B2 · Dec 10, 2019 · US
US-10295285-B2 · May 21, 2019 · US
US-2019078779-A1 · Mar 14, 2019 · US
US-2019017756-A1 · Jan 17, 2019 · US
US-10180294-B2 · Jan 15, 2019 · US
Answers are generated from the same data shown on this page.