Method for cold-start pre-warming of a pressure-charged internal combustion engine and/or of an exhaust gas aftertreatment device
US-9803527-B2 · Oct 31, 2017 · US
for engine starting or warming up {(F02D41/0255 takes precedence)} · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02D41/06 |
| Official title | for engine starting or warming up {(F02D41/0255 takes precedence)} |
| Display label | for engine starting or warming up {(F02D41/0255 takes precedence)} |
| Total patents | 232 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 21 |
| 2016 | 35 |
| 2017 | 31 |
| 2018 | 45 |
| 2019 | 31 |
| 2020 | 20 |
| 2021 | 14 |
| 2022 | 17 |
| 2023 | 9 |
| 2024 | 3 |
| 2025 | 5 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-9803527-B2 · Oct 31, 2017 · US
US-2017306824-A1 · Oct 26, 2017 · US
US-2017198655-A1 · Jul 13, 2017 · US
US-2017145946-A1 · May 25, 2017 · US
US-9528460-B2 · Dec 27, 2016 · US
US-2016356257-A1 · Dec 8, 2016 · US
US-2016356230-A1 · Dec 8, 2016 · US
US-2016341145-A1 · Nov 24, 2016 · US
US-2016333835-A1 · Nov 17, 2016 · US
US-2016297427-A1 · Oct 13, 2016 · US
US-2016273462-A1 · Sep 22, 2016 · US
US-9441569-B2 · Sep 13, 2016 · US
US-9429089-B2 · Aug 30, 2016 · US
US-2016237923-A1 · Aug 18, 2016 · US
US-9410493-B2 · Aug 9, 2016 · US
US-9393954-B2 · Jul 19, 2016 · US
US-2016201635-A1 · Jul 14, 2016 · US
US-2016186683-A1 · Jun 30, 2016 · US
US-9365112-B2 · Jun 14, 2016 · US
US-2016153332-A1 · Jun 2, 2016 · US
Answers are generated from the same data shown on this page.