Method and system for air-fuel ratio control
US-2017356380-A1 · Dec 14, 2017 · US
with special conditions for selecting a mode of combustion, e.g. for starting, for diagnosing · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02D41/3076 |
| Official title | {with special conditions for selecting a mode of combustion, e.g. for starting, for diagnosing} |
| Display label | with special conditions for selecting a mode of combustion, e.g. for starting, for diagnosing |
| Total patents | 270 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 19 |
| 2016 | 35 |
| 2017 | 33 |
| 2018 | 17 |
| 2019 | 37 |
| 2020 | 30 |
| 2021 | 29 |
| 2022 | 27 |
| 2023 | 25 |
| 2024 | 7 |
| 2025 | 10 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2017356380-A1 · Dec 14, 2017 · US
US-2017241355-A1 · Aug 24, 2017 · US
US-9664128-B2 · May 30, 2017 · US
US-9644553-B2 · May 9, 2017 · US
US-9593637-B2 · Mar 14, 2017 · US
US-2017022923-A1 · Jan 26, 2017 · US
US-2016377014-A1 · Dec 29, 2016 · US
US-2016363087-A1 · Dec 15, 2016 · US
US-2016333816-A1 · Nov 17, 2016 · US
US-9488152-B2 · Nov 8, 2016 · US
US-9488093-B2 · Nov 8, 2016 · US
US-2016318504-A1 · Nov 3, 2016 · US
US-2016312733-A1 · Oct 27, 2016 · US
US-9458790-B2 · Oct 4, 2016 · US
US-9452752-B2 · Sep 27, 2016 · US
US-9434376-B2 · Sep 6, 2016 · US
US-9429093-B2 · Aug 30, 2016 · US
US-9429057-B2 · Aug 30, 2016 · US
US-9416745-B2 · Aug 16, 2016 · US
US-9416742-B2 · Aug 16, 2016 · US
Answers are generated from the same data shown on this page.