Method for operating an internal combustion engine system using hydrogen fuel
US-12188422-B2 · Jan 7, 2025 · US
with each cyclic delivery being separated into two or more parts · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02M45/02 |
| Official title | with each cyclic delivery being separated into two or more parts |
| Display label | with each cyclic delivery being separated into two or more parts |
| Total patents | 27 |
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 | 2 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 5 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12188422-B2 · Jan 7, 2025 · US
US-2024295195-A1 · Sep 5, 2024 · US
US-11598277-B2 · Mar 7, 2023 · US
US-2021310431-A1 · Oct 7, 2021 · US
US-11125189-B2 · Sep 21, 2021 · US
US-11067014-B2 · Jul 20, 2021 · US
US-11028795-B2 · Jun 8, 2021 · US
US-2021164420-A1 · Jun 3, 2021 · US
US-10808601-B2 · Oct 20, 2020 · US
US-10648420-B2 · May 12, 2020 · US
US-2020049092-A1 · Feb 13, 2020 · US
US-2019277185-A1 · Sep 12, 2019 · US
US-2019234335-A1 · Aug 1, 2019 · US
US-10215124-B2 · Feb 26, 2019 · US
US-2018347501-A1 · Dec 6, 2018 · US
US-2018328298-A1 · Nov 15, 2018 · US
US-10024253-B2 · Jul 17, 2018 · US
US-10018139-B2 · Jul 10, 2018 · US
US-9879632-B2 · Jan 30, 2018 · US
US-9840993-B2 · Dec 12, 2017 · US
Answers are generated from the same data shown on this page.