Fluid drainage tool
US-11519308-B2 · Dec 6, 2022 · US
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Removing lubricant by suction
Removing lubricant by suction · 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 | F01M11/045 |
| Official title | {Removing lubricant by suction} |
| Display label | Removing lubricant by suction |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pumping device
US-11280330-B2 · Mar 22, 2022 · US
Fluid drainage tool
US-2021348531-A1 · Nov 11, 2021 · US
Pumping device
US-2021048015-A1 · Feb 18, 2021 · US
Fluid pumping device having a storage structure
US-10646988-B2 · May 12, 2020 · US
Storage structure for fluid pumping device
US-2019283232-A1 · Sep 19, 2019 · US
Apparatus and method
US-9869219-B2 · Jan 16, 2018 · US
Gas turbine engine with split lubrication system
US-2016160714-A1 · Jun 9, 2016 · US
Oil pan design for drawing two sumps from a single drain plug
US-2016130995-A1 · May 12, 2016 · US
Apparatus and Method
US-2015292371-A1 · Oct 15, 2015 · US
Oil supply device for an internal combustion engine
US-8973550-B2 · Mar 10, 2015 · US