Systems and methods for coordinating an air blend valve with an intake air heater
US-12442352-B1 · Oct 14, 2025 · US
Control
Control · 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 | F02M31/205 |
| Official title | {Control} |
| Display label | Control |
| Total patents | 60 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 8 |
| 2017 | 8 |
| 2018 | 8 |
| 2019 | 6 |
| 2020 | 6 |
| 2021 | 6 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Combustion engine
US-2025290477-A1 · Sep 18, 2025 · US
Fuel delivery system and method for spark ignited engines of work vehicles
US-2025243831-A1 · Jul 31, 2025 · US
Combustion engine
US-12320318-B2 · Jun 3, 2025 · US
Combustion engine
US-2024247625-A1 · Jul 25, 2024 · US
Condensation management for internal combustion engines
US-12044196-B2 · Jul 23, 2024 · US
Condensation management for internal combustion engines
US-2024167439-A1 · May 23, 2024 · US
Propane fuel system temperature control systems and methods
US-11680545-B2 · Jun 20, 2023 · US
Engine intake system
US-11629633-B2 · Apr 18, 2023 · US
Engine intake system
US-2023021893-A1 · Jan 26, 2023 · US
Battery temperature adjusting device for vehicle, vehicle, and method of adjusting battery temperature for vehicle
US-11542900-B2 · Jan 3, 2023 · US
Cogeneration system
US-11506115-B2 · Nov 22, 2022 · US
Engine for a transport refrigeration unit with air management valve
US-11338648-B2 · May 24, 2022 · US
Two stage turbocharger with cooling arrangement
US-11274597-B2 · Mar 15, 2022 · US
Intake-air cooling system
US-2021310450-A1 · Oct 7, 2021 · US
Propane fuel system temperature control systems and methods
US-2021262423-A1 · Aug 26, 2021 · US
Battery temperature adjusting device for vehicle, vehicle, and method of adjusting battery temperature for vehicle
US-2021262424-A1 · Aug 26, 2021 · US
Propane fuel system temperature control systems and methods
US-11035326-B2 · Jun 15, 2021 · US
Systems and methods for fuel cooling
US-11002228-B1 · May 11, 2021 · US
Engine for a transport refrigeration unit with air management valve
US-2021001691-A1 · Jan 7, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02M31/205?
- CPC F02M31/205 is the Cooperative Patent Classification code for “Control.”
- How many patents are filed under CPC F02M31/205 (Control)?
- Our database includes 60 publications tagged with this CPC code.
- Is patent activity under CPC F02M31/205 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).