Fuel-injector cleaning solution and method of cleaning a fuel-injector
US-2025389246-A1 · Dec 25, 2025 · US
of injectors only
of injectors only · 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 | F02M65/008 |
| Official title | {of injectors only} |
| Display label | of injectors only |
| Total patents | 59 |
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 | 6 |
| 2016 | 4 |
| 2017 | 7 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 9 |
| 2021 | 6 |
| 2022 | 6 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cleaning, maintaining, refurbishing, and/or diagnosing engine components including fuel-injectors
US-12421927-B2 · Sep 23, 2025 · US
Cleaning, maintaining, refurbishing, and/or diagnosing engine components including fuel-injectors
US-2024117785-A1 · Apr 11, 2024 · US
Cleaning, maintaining, refurbishing, and/or diagnosing engine components including fuel-injectors
US-11828259-B1 · Nov 28, 2023 · US
Hybrid electric vehicle
US-11802531-B2 · Oct 31, 2023 · US
System and method for fuel nozzle cleaning during engine operation
US-11761386-B2 · Sep 19, 2023 · US
Hybrid electric vehicle
US-2023250783-A1 · Aug 10, 2023 · US
New Additive Packages for Gasoline Fuels
US-2022306960-A1 · Sep 29, 2022 · US
System and method for fuel nozzle cleaning during engine operation
US-2022290620-A1 · Sep 15, 2022 · US
Unclogging of ducts for fuel injection
US-11428188-B1 · Aug 30, 2022 · US
System and method for fuel nozzle cleaning during engine operation
US-11359554-B2 · Jun 14, 2022 · US
Injector test machine
US-11339757-B2 · May 24, 2022 · US
Maintenance system
US-11274643-B2 · Mar 15, 2022 · US
System and method for fuel nozzle cleaning during engine operation
US-2021277838-A1 · Sep 9, 2021 · US
Fuel injector cleaning system, fluid, and method
US-11060451-B2 · Jul 13, 2021 · US
Engine control device, engine control method, and engine system
US-11002215-B2 · May 11, 2021 · US
Maintenance system
US-2021123405-A1 · Apr 29, 2021 · US
Fuel injection apparatus
US-10975796-B2 · Apr 13, 2021 · US
Polyolefin-derived dispersants
US-2021070900-A1 · Mar 11, 2021 · US
Fuel injector, a fuel injector assembly and an associated method
US-10851753-B2 · Dec 1, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02M65/008?
- CPC F02M65/008 is the Cooperative Patent Classification code for “of injectors only.”
- How many patents are filed under CPC F02M65/008 (of injectors only)?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC F02M65/008 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).