Engine oil system for an aircraft propulsion system
US-2025361820-A1 · Nov 27, 2025 · US
comprising valves bypassing the filter
comprising valves bypassing the filter · 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 | F01M2001/1092 |
| Official title | {comprising valves bypassing the filter} |
| Display label | comprising valves bypassing the filter |
| Total patents | 55 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 7 |
| 2018 | 13 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 8 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Small air-cooled engine assembly with dry sump lubrication system
US-12416252-B2 · Sep 16, 2025 · US
Multi temperature generator and engine shared oil
US-12404808-B2 · Sep 2, 2025 · US
Lubricant manifold for internal combustion engine
US-12366186-B2 · Jul 22, 2025 · US
Multi temperature generator and engine shared oil
US-2025230772-A1 · Jul 17, 2025 · US
Oil filter housing system, oil filtration system, and engine system
US-2024418109-A1 · Dec 19, 2024 · US
Oil filtration system
US-11918934-B2 · Mar 5, 2024 · US
Valve group
US-2024044269-A1 · Feb 8, 2024 · US
Bypass block for unregulated gearboxes
US-11619295-B2 · Apr 4, 2023 · US
Lubricant manifold for internal combustion engine
US-2023055229-A1 · Feb 23, 2023 · US
Lubrication fluid filter bypass system
US-11466600-B1 · Oct 11, 2022 · US
Lubrication fluid filter bypass system
US-2022298936-A1 · Sep 22, 2022 · US
Lubrication mechanism
US-2022251980-A1 · Aug 11, 2022 · US
Small air-cooled engine assembly with dry sump lubrication system
US-2022228517-A1 · Jul 21, 2022 · US
Small air-cooled engine assembly with dry sump lubrication system
US-11293312-B2 · Apr 5, 2022 · US
Bypass block for unregulated gearboxes
US-2022074485-A1 · Mar 10, 2022 · US
Hydraulic pressure warning device
US-2022056821-A1 · Feb 24, 2022 · US
Straddle vehicle
US-11236813-B2 · Feb 1, 2022 · US
Bypass block for unregulated gearboxes
US-11209079-B2 · Dec 28, 2021 · US
Fan housing having a heating band channel
US-11022143-B2 · Jun 1, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01M2001/1092?
- CPC F01M2001/1092 is the Cooperative Patent Classification code for “comprising valves bypassing the filter.”
- How many patents are filed under CPC F01M2001/1092 (comprising valves bypassing the filter)?
- Our database includes 55 publications tagged with this CPC code.
- Is patent activity under CPC F01M2001/1092 growing?
- Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).