Gaseous fuel consuming engine controlling systems
US-2020263615-A1 · Aug 20, 2020 · US
controlling air supply
controlling air supply · 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 | F02D31/002 |
| Official title | {controlling air supply} |
| Display label | controlling air supply |
| Total patents | 112 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 8 |
| 2017 | 17 |
| 2018 | 10 |
| 2019 | 10 |
| 2020 | 9 |
| 2021 | 10 |
| 2022 | 18 |
| 2023 | 7 |
| 2024 | 10 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
V-twin engine assembly
US-2020232379-A1 · Jul 23, 2020 · US
Gas engine
US-10690062-B2 · Jun 23, 2020 · US
Gaseous fuel consuming engine controlling systems
US-10683815-B2 · Jun 16, 2020 · US
Supervisory control system to select PTO clutch engagement method based on real-time inertial load estimation
US-10443523-B2 · Oct 15, 2019 · US
Engine-driven working machine
US-10400684-B2 · Sep 3, 2019 · US
Engine control strategy
US-10358996-B2 · Jul 23, 2019 · US
Method for controlling a marine internal combustion engine
US-10358997-B1 · Jul 23, 2019 · US
Speed limiting device, vehicle having the same and method for controlling the same
US-10352262-B2 · Jul 16, 2019 · US
Battery pack for powering and controlling outdoor power equipment
US-2019178219-A1 · Jun 13, 2019 · US
Self-adjusting PTO clutch engagement method based on real-time inertial load estimation
US-10273897-B2 · Apr 30, 2019 · US
Engine control system and method
US-10234031-B2 · Mar 19, 2019 · US
System and method for controlling a powershift transmission
US-10227942-B2 · Mar 12, 2019 · US
Automotive productivity manager for power shift transmissions
US-10196066-B2 · Feb 5, 2019 · US
Engine operable in horizontal and vertical shaft orientations
US-2018371990-A1 · Dec 27, 2018 · US
Engine-driven working machine
US-2018347490-A1 · Dec 6, 2018 · US
Surgical stapling instrument having a releasable buttress material
US-2018280020-A1 · Oct 4, 2018 · US
Engine speed secondary anti-windup PID controller for an automotive productivity manager
US-10087861-B2 · Oct 2, 2018 · US
Transport valve system for outdoor power equipment
US-2018252190-A1 · Sep 6, 2018 · US
Engine governor
US-2018142628-A1 · May 24, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02D31/002?
- CPC F02D31/002 is the Cooperative Patent Classification code for “controlling air supply.”
- How many patents are filed under CPC F02D31/002 (controlling air supply)?
- Our database includes 112 publications tagged with this CPC code.
- Is patent activity under CPC F02D31/002 growing?
- Publication counts under this code: 10 in 2024 vs 2 in 2025 (latest complete years).