Methods and apparatus for thermal management of sumps using oleophilic and oleophobic coatings
US-12392374-B2 · Aug 19, 2025 · US
characterised by used materials
characterised by used materials · 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 | F01M2011/0091 |
| Official title | {characterised by used materials} |
| Display label | characterised by used materials |
| Total patents | 62 |
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 | 5 |
| 2016 | 3 |
| 2017 | 8 |
| 2018 | 5 |
| 2019 | 8 |
| 2020 | 9 |
| 2021 | 8 |
| 2022 | 3 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Device for forming an oil pan and an oil pan arrangement
US-2025116214-A1 · Apr 10, 2025 · US
Methods and apparatus for thermal management of sumps using oleophilic and oleophobic coatings
US-2024352974-A1 · Oct 24, 2024 · US
Reversible oil pan for an internal combustion engine
US-2024271552-A1 · Aug 15, 2024 · US
Methods and apparatus for thermal management of sumps using oleophilic and oleophobic coatings
US-12018722-B1 · Jun 25, 2024 · US
Sump device having a pipe unit
US-11891929-B2 · Feb 6, 2024 · US
Oil sump system to stabilize oil supply
US-2023383906-A1 · Nov 30, 2023 · US
Fluid pan and motor vehicle
US-11702966-B2 · Jul 18, 2023 · US
Composite engine oil pan and method of making
US-11639673-B2 · May 2, 2023 · US
Multi-function oil tank
US-11585239-B2 · Feb 21, 2023 · US
Fluid Pan and Motor Vehicle
US-2023003146-A1 · Jan 5, 2023 · US
Lubricant Pan and Internal Combustion Engine for a Vehicle
US-2022381167-A1 · Dec 1, 2022 · US
Composite engine oil pan and method of making
US-2022056822-A1 · Feb 24, 2022 · US
Oil pan for internal combustion engine
US-11220937-B2 · Jan 11, 2022 · US
Sump device having a pipe unit
US-2021372303-A9 · Dec 2, 2021 · US
Oil pan for internal combustion engine
US-2021301692-A1 · Sep 30, 2021 · US
Vehicle oil pan guard
US-11046259-B2 · Jun 29, 2021 · US
Oil pan
US-11047273-B2 · Jun 29, 2021 · US
Hybrid oil pan for vehicle
US-2021180484-A1 · Jun 17, 2021 · US
Drain plug structure for oil pan
US-2021172350-A1 · Jun 10, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01M2011/0091?
- CPC F01M2011/0091 is the Cooperative Patent Classification code for “characterised by used materials.”
- How many patents are filed under CPC F01M2011/0091 (characterised by used materials)?
- Our database includes 62 publications tagged with this CPC code.
- Is patent activity under CPC F01M2011/0091 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).