Filtration system with additive
US-2026061351-A1 · Mar 5, 2026 · US
having means for introducing additives to lubricant
having means for introducing additives to lubricant · 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 | F01M9/02 |
| Official title | having means for introducing additives to lubricant |
| Display label | having means for introducing additives to lubricant |
| Total patents | 48 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 6 |
| 2019 | 9 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of performing a treatment process on an internal combustion engine, and an internal combustion engine system
US-2025283441-A1 · Sep 11, 2025 · US
Lubricant composition containing metal alkanoate
US-12365849-B2 · Jul 22, 2025 · US
Method for extending lubricant life
US-2025092330-A1 · Mar 20, 2025 · US
Hydrogen direct injection system and method for lubricating a fuel injector of a hydrogen direct injection system
US-12173676-B2 · Dec 24, 2024 · US
Hydrogen Direct Injection System and Method for Lubricating a Fuel Injector of a Hydrogen Direct Injection System
US-2024376852-A1 · Nov 14, 2024 · US
Dilution suppression device of lubricating oil for internal combustion engine
US-2023143924-A1 · May 11, 2023 · US
Internal combustion engine lubricated with a water-containing lubricant
US-11480099-B2 · Oct 25, 2022 · US
Additive supplements for oil changes
US-11377620-B2 · Jul 5, 2022 · US
Internal Combustion Engine Lubricated With a Water-Containing Lubricant
US-2022042449-A1 · Feb 10, 2022 · US
Additive supplements for oil changes
US-2021363458-A1 · Nov 25, 2021 · US
Lubricating oil additives
US-11028333-B2 · Jun 8, 2021 · US
Diamond-like carbon films and uses thereof
US-10941485-B2 · Mar 9, 2021 · US
Machine lubricant additive distribution systems and methods
US-10669904-B2 · Jun 2, 2020 · US
Lubricating Oil Additives
US-2020148969-A1 · May 14, 2020 · US
Additive package and lubricating oil composition
US-10640724-B2 · May 5, 2020 · US
Lubricating oil additives
US-10577555-B2 · Mar 3, 2020 · US
Lubricants with titanium and/or tungsten and their use for improving low speed pre-ignition
US-10550349-B2 · Feb 4, 2020 · US
Method for preventing or reducing low speed pre-ignition while maintaining or improving cleanliness
US-10519394-B2 · Dec 31, 2019 · US
Drive system and associated motor vehicle
US-10513953-B2 · Dec 24, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01M9/02?
- CPC F01M9/02 is the Cooperative Patent Classification code for “having means for introducing additives to lubricant.”
- How many patents are filed under CPC F01M9/02 (having means for introducing additives to lubricant)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC F01M9/02 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).