Reversible oil pan for an internal combustion engine
US-12595756-B2 · Apr 7, 2026 · US
Plugs
Plugs · 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 | F01M2011/0416 |
| Official title | {Plugs} |
| Display label | Plugs |
| Total patents | 52 |
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 | 5 |
| 2017 | 6 |
| 2018 | 5 |
| 2019 | 2 |
| 2020 | 6 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Mechanical system provided with moving mechanical elements, a magnetic plug and a lubrication system provided with mechanical and magnetic filters
US-2025257796-A1 · Aug 14, 2025 · US
Oil sump with oil drain plug
US-12326104-B2 · Jun 10, 2025 · US
Remote engine oil drain
US-12091997-B1 · Sep 17, 2024 · US
Reversible oil pan for an internal combustion engine
US-2024271552-A1 · Aug 15, 2024 · US
Fluid drain system
US-12044154-B2 · Jul 23, 2024 · US
Fluid drain system
US-2024125257-A1 · Apr 18, 2024 · US
Oil Sump with Oil Drain Plug
US-2023417164-A1 · Dec 28, 2023 · US
Fluid drain system
US-11788445-B2 · Oct 17, 2023 · US
Fluid drain plug for a fluid reservoir
US-11649748-B2 · May 16, 2023 · US
Cylinder head and flow restrictor plug for a cylinder head
US-11629620-B1 · Apr 18, 2023 · US
Seal arrangement, kit of parts and method
US-11542979-B2 · Jan 3, 2023 · US
Extended orifice plug for a fluid system
US-11486278-B2 · Nov 1, 2022 · US
Drain plug structure for oil pan
US-11454146-B2 · Sep 27, 2022 · US
Sealing structure
US-11448106-B2 · Sep 20, 2022 · US
Extended orifice plug for a fluid system
US-2022178281-A1 · Jun 9, 2022 · US
Fluid drain system
US-2022010704-A1 · Jan 13, 2022 · US
A fluid drain plug for a fluid reservoir
US-2021381407-A1 · Dec 9, 2021 · US
Drain petcock
US-11162594-B2 · Nov 2, 2021 · US
Oil drain system for a generator engine
US-11149630-B2 · Oct 19, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01M2011/0416?
- CPC F01M2011/0416 is the Cooperative Patent Classification code for “Plugs.”
- How many patents are filed under CPC F01M2011/0416 (Plugs)?
- Our database includes 52 publications tagged with this CPC code.
- Is patent activity under CPC F01M2011/0416 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).