Engine and flywheel housing
US-12297790-B2 · May 13, 2025 · US
having one or more deoilers
having one or more deoilers · 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 | F01M2013/005 |
| Official title | {having one or more deoilers} |
| Display label | having one or more deoilers |
| Total patents | 42 |
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 | 4 |
| 2016 | 7 |
| 2017 | 6 |
| 2018 | 5 |
| 2019 | 3 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sump auxiliary vent system
US-11795841-B2 · Oct 24, 2023 · US
Engine and flywheel housing
US-2023287846-A1 · Sep 14, 2023 · US
Sump auxiliary vent system
US-2022403756-A1 · Dec 22, 2022 · US
Sump auxiliary vent system
US-11306614-B2 · Apr 19, 2022 · US
Ventilator-equipped engine
US-11280233-B2 · Mar 22, 2022 · US
Internal combustion engine
US-11220940-B2 · Jan 11, 2022 · US
Ventilator-equipped engine
US-2021189924-A1 · Jun 24, 2021 · US
Breather chamber structure and engine
US-11015501-B2 · May 25, 2021 · US
Oil separating device
US-10946320-B2 · Mar 16, 2021 · US
Pre-condensing PCV system
US-10927729-B1 · Feb 23, 2021 · US
Crankcase ventilation system and diagnostic method
US-10767590-B1 · Sep 8, 2020 · US
Breather chamber structure and engine
US-2020208554-A1 · Jul 2, 2020 · US
Internal combustion engine
US-2020141294-A1 · May 7, 2020 · US
Sump auxiliary vent system
US-2020109646-A1 · Apr 9, 2020 · US
Internal combustion engine
US-10544719-B2 · Jan 28, 2020 · US
Internal combustion engine
US-10533471-B2 · Jan 14, 2020 · US
Breather chamber structure for internal combustion engine
US-10329974-B2 · Jun 25, 2019 · US
Blow-by gas reduction device
US-10316714-B2 · Jun 11, 2019 · US
Oil separating device
US-2019168146-A1 · Jun 6, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01M2013/005?
- CPC F01M2013/005 is the Cooperative Patent Classification code for “having one or more deoilers.”
- How many patents are filed under CPC F01M2013/005 (having one or more deoilers)?
- Our database includes 42 publications tagged with this CPC code.
- Is patent activity under CPC F01M2013/005 growing?
- Publication counts under this code: 2 in 2023 vs 1 in 2025 (latest complete years).