Internal combustion engine and purification device
US-2025154893-A1 · May 15, 2025 · US
heating, cooling · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02B19/1009 |
| Official title | {heating, cooling} |
| Display label | heating, cooling |
| Total patents | 46 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 8 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 7 |
| 2020 | 5 |
| 2021 | 6 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025154893-A1 · May 15, 2025 · US
US-2024426238-A1 · Dec 26, 2024 · US
US-12018608-B2 · Jun 25, 2024 · US
US-2023374933-A1 · Nov 23, 2023 · US
US-11773795-B1 · Oct 3, 2023 · US
US-11686242-B2 · Jun 27, 2023 · US
US-11359537-B1 · Jun 14, 2022 · US
US-2022178299-A1 · Jun 9, 2022 · US
US-11352982-B2 · Jun 7, 2022 · US
US-11187141-B2 · Nov 30, 2021 · US
US-11092063-B1 · Aug 17, 2021 · US
US-11073110-B2 · Jul 27, 2021 · US
US-11035288-B2 · Jun 15, 2021 · US
US-2021062766-A1 · Mar 4, 2021 · US
US-10883413-B2 · Jan 5, 2021 · US
US-2020362750-A1 · Nov 19, 2020 · US
US-2020256283-A1 · Aug 13, 2020 · US
US-10724423-B2 · Jul 28, 2020 · US
US-10662865-B2 · May 26, 2020 · US
US-2020123963-A1 · Apr 23, 2020 · US
Answers are generated from the same data shown on this page.