Method and system for catalyst feedback control
US-2020355130-A1 · Nov 12, 2020 · US
using exhaust gas sensors (F02D41/14 takes precedence)
using exhaust gas sensors (F02D41/14 takes precedence) · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02D35/0015 |
| Official title | {using exhaust gas sensors (F02D41/14 takes precedence)} |
| Display label | using exhaust gas sensors (F02D41/14 takes precedence) |
| Total patents | 78 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 12 |
| 2017 | 15 |
| 2018 | 7 |
| 2019 | 16 |
| 2020 | 5 |
| 2021 | 9 |
| 2022 | 3 |
| 2023 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hybrid vehicle and method for controlling the same
US-2020172080-A1 · Jun 4, 2020 · US
Internal combustion engine, in particular as drive engine for a vehicle
US-10590862-B2 · Mar 17, 2020 · US
Control of combustion source with at least one pollution control device
US-2020063634-A1 · Feb 27, 2020 · US
Portable generator including carbon monoxide detector
US-2020040827-A1 · Feb 6, 2020 · US
Method for operating a drive system of a motor vehicle, drive system and motor vehicle
US-2019360408-A1 · Nov 28, 2019 · US
Exhaust gas analysis method and exhaust gas analysis system
US-2019353106-A1 · Nov 21, 2019 · US
Systems and methods for determining fuel release from a fuel injector
US-10436142-B2 · Oct 8, 2019 · US
Method and functional monitoring apparatus for functional monitoring of an apparatus for variable setting of a cylinder compression in a reciprocating-piston internal combustion engine
US-10408138-B2 · Sep 10, 2019 · US
Systems and methods for determining fuel release from a fuel injector
US-2019271279-A1 · Sep 5, 2019 · US
Systems and methods for control of turbine-generator in a split exhaust engine system
US-10364757-B2 · Jul 30, 2019 · US
Systems and methods for determining fuel release from a fuel injector
US-2019218991-A1 · Jul 18, 2019 · US
Regulation of concentration/fraction of substances in an exhaust stream
US-10352256-B2 · Jul 16, 2019 · US
Systems and methods for determining fuel release from a fuel injector
US-10337443-B1 · Jul 2, 2019 · US
Hybrid vehicle
US-2019161070-A1 · May 30, 2019 · US
Straddle-type vehicle
US-10294877-B2 · May 21, 2019 · US
Control system of internal combustion engine
US-10288001-B2 · May 14, 2019 · US
Engine control systems and methods for regulating emissions during scavenging
US-10233854-B1 · Mar 19, 2019 · US
Engine profile management
US-2019048809-A1 · Feb 14, 2019 · US
Internal combustion engine, in particular as drive engine for a vehicle
US-2019017447-A1 · Jan 17, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02D35/0015?
- CPC F02D35/0015 is the Cooperative Patent Classification code for “using exhaust gas sensors (F02D41/14 takes precedence).”
- How many patents are filed under CPC F02D35/0015 (using exhaust gas sensors (F02D41/14 takes precedence))?
- Our database includes 78 publications tagged with this CPC code.
- Is patent activity under CPC F02D35/0015 growing?
- Publication counts under this code: 3 in 2023 vs 3 in 2025 (latest complete years).