Device and apparatus for heating a flow of hydrogen
US-2025369610-A1 · Dec 4, 2025 · US
Pretreatment · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F23K2400/10 |
| Official title | Pretreatment |
| Display label | Pretreatment |
| Total patents | 36 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 5 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 6 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 7 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025369610-A1 · Dec 4, 2025 · US
US-12473860-B2 · Nov 18, 2025 · US
US-2025290665-A1 · Sep 18, 2025 · US
US-2025256958-A1 · Aug 14, 2025 · US
US-12305852-B2 · May 20, 2025 · US
US-2025092830-A1 · Mar 20, 2025 · US
US-2025003369-A1 · Jan 2, 2025 · US
US-12173653-B1 · Dec 24, 2024 · US
US-2024288166-A1 · Aug 29, 2024 · US
US-11959639-B2 · Apr 16, 2024 · US
US-2023076428-A1 · Mar 9, 2023 · US
US-2023062586-A1 · Mar 2, 2023 · US
US-11543183-B2 · Jan 3, 2023 · US
US-11248853-B2 · Feb 15, 2022 · US
US-10982163-B2 · Apr 20, 2021 · US
US-2020378599-A1 · Dec 3, 2020 · US
US-10746404-B2 · Aug 18, 2020 · US
US-10640720-B2 · May 5, 2020 · US
US-10584052-B2 · Mar 10, 2020 · US
US-10533494-B2 · Jan 14, 2020 · US
Answers are generated from the same data shown on this page.